./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/psyco/psyco_net_1.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 5fbdf5bf
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/psyco/psyco_net_1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30408d7207b57838e2c50a4f8ea35b606de13b17
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE
--- Real Ultimate output ---
This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b
[2021-08-29 05:55:27,006 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-08-29 05:55:27,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-08-29 05:55:27,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-08-29 05:55:27,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-08-29 05:55:27,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-08-29 05:55:27,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-08-29 05:55:27,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-08-29 05:55:27,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-08-29 05:55:27,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-08-29 05:55:27,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-08-29 05:55:27,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-08-29 05:55:27,058 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-08-29 05:55:27,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-08-29 05:55:27,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-08-29 05:55:27,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-08-29 05:55:27,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-08-29 05:55:27,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-08-29 05:55:27,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-08-29 05:55:27,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-08-29 05:55:27,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-08-29 05:55:27,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-08-29 05:55:27,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-08-29 05:55:27,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-08-29 05:55:27,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-08-29 05:55:27,081 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-08-29 05:55:27,081 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-08-29 05:55:27,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-08-29 05:55:27,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-08-29 05:55:27,083 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-08-29 05:55:27,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-08-29 05:55:27,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-08-29 05:55:27,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-08-29 05:55:27,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-08-29 05:55:27,087 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-08-29 05:55:27,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-08-29 05:55:27,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-08-29 05:55:27,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-08-29 05:55:27,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-08-29 05:55:27,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-08-29 05:55:27,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-08-29 05:55:27,092 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-08-29 05:55:27,120 INFO L113 SettingsManager]: Loading preferences was successful
[2021-08-29 05:55:27,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-08-29 05:55:27,121 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-08-29 05:55:27,121 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-08-29 05:55:27,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-08-29 05:55:27,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-08-29 05:55:27,122 INFO L138 SettingsManager]: * Use SBE=true
[2021-08-29 05:55:27,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-08-29 05:55:27,123 INFO L138 SettingsManager]: * sizeof long=4
[2021-08-29 05:55:27,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-08-29 05:55:27,123 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-08-29 05:55:27,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-08-29 05:55:27,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-08-29 05:55:27,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-08-29 05:55:27,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-08-29 05:55:27,124 INFO L138 SettingsManager]: * sizeof long double=12
[2021-08-29 05:55:27,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-08-29 05:55:27,124 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-08-29 05:55:27,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-08-29 05:55:27,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-08-29 05:55:27,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-08-29 05:55:27,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-08-29 05:55:27,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-08-29 05:55:27,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-08-29 05:55:27,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-08-29 05:55:27,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-08-29 05:55:27,125 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-08-29 05:55:27,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-08-29 05:55:27,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-08-29 05:55:27,125 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-08-29 05:55:27,126 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30408d7207b57838e2c50a4f8ea35b606de13b17
[2021-08-29 05:55:27,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-08-29 05:55:27,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-08-29 05:55:27,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-08-29 05:55:27,389 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-08-29 05:55:27,389 INFO L275 PluginConnector]: CDTParser initialized
[2021-08-29 05:55:27,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/psyco/psyco_net_1.c
[2021-08-29 05:55:27,432 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc6d5f84e/94dd873d17334b9a900d2fac7bb2a1bc/FLAG30aa43bab
[2021-08-29 05:55:28,431 INFO L306 CDTParser]: Found 1 translation units.
[2021-08-29 05:55:28,431 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_net_1.c
[2021-08-29 05:55:28,545 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc6d5f84e/94dd873d17334b9a900d2fac7bb2a1bc/FLAG30aa43bab
[2021-08-29 05:55:28,963 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc6d5f84e/94dd873d17334b9a900d2fac7bb2a1bc
[2021-08-29 05:55:28,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-08-29 05:55:28,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-08-29 05:55:28,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-08-29 05:55:28,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-08-29 05:55:28,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-08-29 05:55:28,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:55:28" (1/1) ...
[2021-08-29 05:55:28,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@202e1783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:55:28, skipping insertion in model container
[2021-08-29 05:55:28,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:55:28" (1/1) ...
[2021-08-29 05:55:28,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-08-29 05:55:29,263 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-08-29 05:55:30,338 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_net_1.c[2349407,2349420]
[2021-08-29 05:55:30,373 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-08-29 05:55:30,379 INFO L203 MainTranslator]: Completed pre-run
[2021-08-29 05:55:30,833 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_net_1.c[2349407,2349420]
[2021-08-29 05:55:30,859 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-08-29 05:55:30,871 INFO L208 MainTranslator]: Completed translation
[2021-08-29 05:55:30,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:55:30 WrapperNode
[2021-08-29 05:55:30,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-08-29 05:55:30,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-08-29 05:55:30,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-08-29 05:55:30,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-08-29 05:55:30,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:55:30" (1/1) ...
[2021-08-29 05:55:31,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:55:30" (1/1) ...
[2021-08-29 05:55:31,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-08-29 05:55:31,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-08-29 05:55:31,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-08-29 05:55:31,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-08-29 05:55:31,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:55:30" (1/1) ...
[2021-08-29 05:55:31,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:55:30" (1/1) ...
[2021-08-29 05:55:31,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:55:30" (1/1) ...
[2021-08-29 05:55:31,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:55:30" (1/1) ...
[2021-08-29 05:55:31,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:55:30" (1/1) ...
[2021-08-29 05:55:32,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:55:30" (1/1) ...
[2021-08-29 05:55:32,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:55:30" (1/1) ...
[2021-08-29 05:55:32,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-08-29 05:55:32,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-08-29 05:55:32,251 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-08-29 05:55:32,251 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-08-29 05:55:32,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:55:30" (1/1) ...
[2021-08-29 05:55:32,256 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-08-29 05:55:32,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-08-29 05:55:32,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-08-29 05:55:32,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-08-29 05:55:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-08-29 05:55:32,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-08-29 05:55:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-08-29 05:55:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-08-29 05:55:35,680 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-08-29 05:55:35,680 INFO L299 CfgBuilder]: Removed 1134 assume(true) statements.
[2021-08-29 05:55:35,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:55:35 BoogieIcfgContainer
[2021-08-29 05:55:35,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-08-29 05:55:35,689 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-08-29 05:55:35,689 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-08-29 05:55:35,691 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-08-29 05:55:35,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 05:55:28" (1/3) ...
[2021-08-29 05:55:35,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e57365d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:55:35, skipping insertion in model container
[2021-08-29 05:55:35,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:55:30" (2/3) ...
[2021-08-29 05:55:35,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e57365d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:55:35, skipping insertion in model container
[2021-08-29 05:55:35,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:55:35" (3/3) ...
[2021-08-29 05:55:35,693 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_net_1.c
[2021-08-29 05:55:35,696 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-08-29 05:55:35,696 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-08-29 05:55:35,739 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-08-29 05:55:35,743 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-08-29 05:55:35,744 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-08-29 05:55:35,842 INFO L276 IsEmpty]: Start isEmpty. Operand has 9211 states, 9209 states have (on average 1.999457052883049) internal successors, (18413), 9210 states have internal predecessors, (18413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:55:35,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2021-08-29 05:55:35,845 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:55:35,846 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-08-29 05:55:35,846 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:55:35,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:55:35,850 INFO L82 PathProgramCache]: Analyzing trace with hash 352619045, now seen corresponding path program 1 times
[2021-08-29 05:55:35,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:55:35,855 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978661939]
[2021-08-29 05:55:35,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:55:35,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:55:35,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-29 05:55:36,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-08-29 05:55:36,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-29 05:55:36,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978661939]
[2021-08-29 05:55:36,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978661939] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-29 05:55:36,036 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-29 05:55:36,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-08-29 05:55:36,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490107564]
[2021-08-29 05:55:36,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-08-29 05:55:36,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-29 05:55:36,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-08-29 05:55:36,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-08-29 05:55:36,076 INFO L87 Difference]: Start difference. First operand has 9211 states, 9209 states have (on average 1.999457052883049) internal successors, (18413), 9210 states have internal predecessors, (18413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:55:44,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-29 05:55:44,389 INFO L93 Difference]: Finished difference Result 17698 states and 35380 transitions.
[2021-08-29 05:55:44,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-08-29 05:55:44,391 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2021-08-29 05:55:44,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-08-29 05:55:44,426 INFO L225 Difference]: With dead ends: 17698
[2021-08-29 05:55:44,427 INFO L226 Difference]: Without dead ends: 8280
[2021-08-29 05:55:44,441 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.02ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-08-29 05:55:44,443 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14147 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5996.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 14147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.79ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7856.71ms IncrementalHoareTripleChecker+Time
[2021-08-29 05:55:44,444 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 14147 Unknown, 0 Unchecked, 15.79ms Time], IncrementalHoareTripleChecker [0 Valid, 14147 Invalid, 0 Unknown, 0 Unchecked, 7856.71ms Time]
[2021-08-29 05:55:44,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8280 states.
[2021-08-29 05:55:44,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8280 to 8280.
[2021-08-29 05:55:44,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8280 states, 8279 states have (on average 1.5698755888392317) internal successors, (12997), 8279 states have internal predecessors, (12997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:55:44,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8280 states to 8280 states and 12997 transitions.
[2021-08-29 05:55:44,765 INFO L78 Accepts]: Start accepts. Automaton has 8280 states and 12997 transitions. Word has length 9
[2021-08-29 05:55:44,765 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-08-29 05:55:44,765 INFO L470 AbstractCegarLoop]: Abstraction has 8280 states and 12997 transitions.
[2021-08-29 05:55:44,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:55:44,765 INFO L276 IsEmpty]: Start isEmpty. Operand 8280 states and 12997 transitions.
[2021-08-29 05:55:44,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2021-08-29 05:55:44,766 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:55:44,766 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-08-29 05:55:44,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-08-29 05:55:44,767 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:55:44,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:55:44,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1422650027, now seen corresponding path program 1 times
[2021-08-29 05:55:44,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:55:44,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906319092]
[2021-08-29 05:55:44,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:55:44,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:55:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-29 05:55:44,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-08-29 05:55:44,829 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-29 05:55:44,829 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906319092]
[2021-08-29 05:55:44,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906319092] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-29 05:55:44,829 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-29 05:55:44,830 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-08-29 05:55:44,830 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383788869]
[2021-08-29 05:55:44,830 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-08-29 05:55:44,831 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-29 05:55:44,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-08-29 05:55:44,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:55:44,831 INFO L87 Difference]: Start difference. First operand 8280 states and 12997 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:55:53,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-29 05:55:53,246 INFO L93 Difference]: Finished difference Result 16561 states and 25996 transitions.
[2021-08-29 05:55:53,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-08-29 05:55:53,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2021-08-29 05:55:53,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-08-29 05:55:53,267 INFO L225 Difference]: With dead ends: 16561
[2021-08-29 05:55:53,267 INFO L226 Difference]: Without dead ends: 8283
[2021-08-29 05:55:53,272 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.19ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:55:53,273 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 4 mSDsluCounter, 11520 mSDsCounter, 0 mSdLazyCounter, 25989 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6475.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 25990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 57.09ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8151.03ms IncrementalHoareTripleChecker+Time
[2021-08-29 05:55:53,273 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 0 Invalid, 25990 Unknown, 0 Unchecked, 57.09ms Time], IncrementalHoareTripleChecker [1 Valid, 25989 Invalid, 0 Unknown, 0 Unchecked, 8151.03ms Time]
[2021-08-29 05:55:53,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8283 states.
[2021-08-29 05:55:53,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8283 to 8283.
[2021-08-29 05:55:53,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8283 states, 8282 states have (on average 1.569669162038155) internal successors, (13000), 8282 states have internal predecessors, (13000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:55:53,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8283 states to 8283 states and 13000 transitions.
[2021-08-29 05:55:53,382 INFO L78 Accepts]: Start accepts. Automaton has 8283 states and 13000 transitions. Word has length 10
[2021-08-29 05:55:53,382 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-08-29 05:55:53,383 INFO L470 AbstractCegarLoop]: Abstraction has 8283 states and 13000 transitions.
[2021-08-29 05:55:53,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:55:53,383 INFO L276 IsEmpty]: Start isEmpty. Operand 8283 states and 13000 transitions.
[2021-08-29 05:55:53,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2021-08-29 05:55:53,384 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:55:53,385 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-08-29 05:55:53,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-08-29 05:55:53,386 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:55:53,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:55:53,387 INFO L82 PathProgramCache]: Analyzing trace with hash 658080264, now seen corresponding path program 1 times
[2021-08-29 05:55:53,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:55:53,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373944446]
[2021-08-29 05:55:53,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:55:53,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:55:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-29 05:55:53,524 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-08-29 05:55:53,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-29 05:55:53,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373944446]
[2021-08-29 05:55:53,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373944446] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-29 05:55:53,524 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-29 05:55:53,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-08-29 05:55:53,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249453108]
[2021-08-29 05:55:53,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-08-29 05:55:53,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-29 05:55:53,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-08-29 05:55:53,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:55:53,525 INFO L87 Difference]: Start difference. First operand 8283 states and 13000 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:56:03,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-29 05:56:03,091 INFO L93 Difference]: Finished difference Result 16569 states and 26005 transitions.
[2021-08-29 05:56:03,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-08-29 05:56:03,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15
[2021-08-29 05:56:03,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-08-29 05:56:03,145 INFO L225 Difference]: With dead ends: 16569
[2021-08-29 05:56:03,146 INFO L226 Difference]: Without dead ends: 8289
[2021-08-29 05:56:03,151 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.12ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:56:03,169 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 329 mSDsluCounter, 11197 mSDsCounter, 0 mSdLazyCounter, 25634 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7332.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 25670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 28.95ms SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 25634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9351.76ms IncrementalHoareTripleChecker+Time
[2021-08-29 05:56:03,171 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [329 Valid, 0 Invalid, 25670 Unknown, 0 Unchecked, 28.95ms Time], IncrementalHoareTripleChecker [36 Valid, 25634 Invalid, 0 Unknown, 0 Unchecked, 9351.76ms Time]
[2021-08-29 05:56:03,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8289 states.
[2021-08-29 05:56:03,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8289 to 8287.
[2021-08-29 05:56:03,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8287 states, 8286 states have (on average 1.5693941588221096) internal successors, (13004), 8286 states have internal predecessors, (13004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:56:03,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8287 states to 8287 states and 13004 transitions.
[2021-08-29 05:56:03,336 INFO L78 Accepts]: Start accepts. Automaton has 8287 states and 13004 transitions. Word has length 15
[2021-08-29 05:56:03,336 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-08-29 05:56:03,337 INFO L470 AbstractCegarLoop]: Abstraction has 8287 states and 13004 transitions.
[2021-08-29 05:56:03,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:56:03,337 INFO L276 IsEmpty]: Start isEmpty. Operand 8287 states and 13004 transitions.
[2021-08-29 05:56:03,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2021-08-29 05:56:03,338 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:56:03,338 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-08-29 05:56:03,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-08-29 05:56:03,339 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:56:03,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:56:03,340 INFO L82 PathProgramCache]: Analyzing trace with hash 505082677, now seen corresponding path program 1 times
[2021-08-29 05:56:03,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:56:03,340 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819049206]
[2021-08-29 05:56:03,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:56:03,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:56:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-29 05:56:03,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-08-29 05:56:03,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-29 05:56:03,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819049206]
[2021-08-29 05:56:03,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819049206] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-29 05:56:03,420 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-29 05:56:03,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-08-29 05:56:03,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871301211]
[2021-08-29 05:56:03,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-08-29 05:56:03,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-29 05:56:03,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-08-29 05:56:03,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:56:03,425 INFO L87 Difference]: Start difference. First operand 8287 states and 13004 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:56:11,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-29 05:56:11,430 INFO L93 Difference]: Finished difference Result 16491 states and 25885 transitions.
[2021-08-29 05:56:11,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-08-29 05:56:11,431 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19
[2021-08-29 05:56:11,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-08-29 05:56:11,473 INFO L225 Difference]: With dead ends: 16491
[2021-08-29 05:56:11,474 INFO L226 Difference]: Without dead ends: 8165
[2021-08-29 05:56:11,495 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.18ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:56:11,497 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 11116 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 12417 mSolverCounterSat, 1749 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6077.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11116 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 14166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.77ms SdHoareTripleChecker+Time, 1749 IncrementalHoareTripleChecker+Valid, 12417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7796.90ms IncrementalHoareTripleChecker+Time
[2021-08-29 05:56:11,497 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [11116 Valid, 0 Invalid, 14166 Unknown, 0 Unchecked, 23.77ms Time], IncrementalHoareTripleChecker [1749 Valid, 12417 Invalid, 0 Unknown, 0 Unchecked, 7796.90ms Time]
[2021-08-29 05:56:11,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8165 states.
[2021-08-29 05:56:11,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8165 to 8165.
[2021-08-29 05:56:11,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8165 states, 8164 states have (on average 1.5165360117589417) internal successors, (12381), 8164 states have internal predecessors, (12381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:56:11,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8165 states to 8165 states and 12381 transitions.
[2021-08-29 05:56:11,800 INFO L78 Accepts]: Start accepts. Automaton has 8165 states and 12381 transitions. Word has length 19
[2021-08-29 05:56:11,801 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-08-29 05:56:11,801 INFO L470 AbstractCegarLoop]: Abstraction has 8165 states and 12381 transitions.
[2021-08-29 05:56:11,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:56:11,801 INFO L276 IsEmpty]: Start isEmpty. Operand 8165 states and 12381 transitions.
[2021-08-29 05:56:11,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2021-08-29 05:56:11,802 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:56:11,802 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-08-29 05:56:11,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-08-29 05:56:11,802 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:56:11,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:56:11,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1597993323, now seen corresponding path program 1 times
[2021-08-29 05:56:11,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:56:11,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425952184]
[2021-08-29 05:56:11,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:56:11,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:56:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-29 05:56:11,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-08-29 05:56:11,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-29 05:56:11,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425952184]
[2021-08-29 05:56:11,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425952184] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-29 05:56:11,918 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-29 05:56:11,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-08-29 05:56:11,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120366646]
[2021-08-29 05:56:11,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-08-29 05:56:11,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-29 05:56:11,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-08-29 05:56:11,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:56:11,919 INFO L87 Difference]: Start difference. First operand 8165 states and 12381 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:56:26,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-29 05:56:26,072 INFO L93 Difference]: Finished difference Result 24489 states and 37137 transitions.
[2021-08-29 05:56:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-08-29 05:56:26,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23
[2021-08-29 05:56:26,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-08-29 05:56:26,134 INFO L225 Difference]: With dead ends: 24489
[2021-08-29 05:56:26,134 INFO L226 Difference]: Without dead ends: 16277
[2021-08-29 05:56:26,176 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.41ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:56:26,177 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 11045 mSDsluCounter, 10881 mSDsCounter, 0 mSdLazyCounter, 24616 mSolverCounterSat, 1427 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10869.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11045 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 26043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 52.82ms SdHoareTripleChecker+Time, 1427 IncrementalHoareTripleChecker+Valid, 24616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13785.40ms IncrementalHoareTripleChecker+Time
[2021-08-29 05:56:26,177 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [11045 Valid, 0 Invalid, 26043 Unknown, 0 Unchecked, 52.82ms Time], IncrementalHoareTripleChecker [1427 Valid, 24616 Invalid, 0 Unknown, 0 Unchecked, 13785.40ms Time]
[2021-08-29 05:56:26,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16277 states.
[2021-08-29 05:56:26,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16277 to 14963.
[2021-08-29 05:56:26,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14963 states, 14962 states have (on average 1.5566100788664616) internal successors, (23290), 14962 states have internal predecessors, (23290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:56:26,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14963 states to 14963 states and 23290 transitions.
[2021-08-29 05:56:26,535 INFO L78 Accepts]: Start accepts. Automaton has 14963 states and 23290 transitions. Word has length 23
[2021-08-29 05:56:26,536 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-08-29 05:56:26,536 INFO L470 AbstractCegarLoop]: Abstraction has 14963 states and 23290 transitions.
[2021-08-29 05:56:26,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:56:26,536 INFO L276 IsEmpty]: Start isEmpty. Operand 14963 states and 23290 transitions.
[2021-08-29 05:56:26,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2021-08-29 05:56:26,538 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:56:26,538 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-08-29 05:56:26,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-08-29 05:56:26,538 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:56:26,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:56:26,539 INFO L82 PathProgramCache]: Analyzing trace with hash -2046252058, now seen corresponding path program 1 times
[2021-08-29 05:56:26,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:56:26,539 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183141134]
[2021-08-29 05:56:26,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:56:26,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:56:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-29 05:56:26,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-08-29 05:56:26,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-29 05:56:26,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183141134]
[2021-08-29 05:56:26,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183141134] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-29 05:56:26,683 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-29 05:56:26,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-08-29 05:56:26,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902486147]
[2021-08-29 05:56:26,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-08-29 05:56:26,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-29 05:56:26,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-08-29 05:56:26,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:56:26,689 INFO L87 Difference]: Start difference. First operand 14963 states and 23290 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:56:41,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-29 05:56:41,835 INFO L93 Difference]: Finished difference Result 37763 states and 58560 transitions.
[2021-08-29 05:56:41,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-08-29 05:56:41,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25
[2021-08-29 05:56:41,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-08-29 05:56:41,870 INFO L225 Difference]: With dead ends: 37763
[2021-08-29 05:56:41,870 INFO L226 Difference]: Without dead ends: 22521
[2021-08-29 05:56:41,888 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.42ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:56:41,889 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 10474 mSDsluCounter, 9629 mSDsCounter, 0 mSdLazyCounter, 24586 mSolverCounterSat, 1487 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11634.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10474 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 26073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 31.47ms SdHoareTripleChecker+Time, 1487 IncrementalHoareTripleChecker+Valid, 24586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14774.18ms IncrementalHoareTripleChecker+Time
[2021-08-29 05:56:41,889 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [10474 Valid, 0 Invalid, 26073 Unknown, 0 Unchecked, 31.47ms Time], IncrementalHoareTripleChecker [1487 Valid, 24586 Invalid, 0 Unknown, 0 Unchecked, 14774.18ms Time]
[2021-08-29 05:56:41,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22521 states.
[2021-08-29 05:56:42,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22521 to 21281.
[2021-08-29 05:56:42,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21281 states, 21280 states have (on average 1.5518796992481203) internal successors, (33024), 21280 states have internal predecessors, (33024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:56:42,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21281 states to 21281 states and 33024 transitions.
[2021-08-29 05:56:42,223 INFO L78 Accepts]: Start accepts. Automaton has 21281 states and 33024 transitions. Word has length 25
[2021-08-29 05:56:42,224 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-08-29 05:56:42,224 INFO L470 AbstractCegarLoop]: Abstraction has 21281 states and 33024 transitions.
[2021-08-29 05:56:42,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:56:42,224 INFO L276 IsEmpty]: Start isEmpty. Operand 21281 states and 33024 transitions.
[2021-08-29 05:56:42,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2021-08-29 05:56:42,227 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:56:42,228 INFO L513 BasicCegarLoop]: trace histogram [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]
[2021-08-29 05:56:42,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-08-29 05:56:42,228 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:56:42,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:56:42,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1701022621, now seen corresponding path program 1 times
[2021-08-29 05:56:42,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:56:42,229 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961724309]
[2021-08-29 05:56:42,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:56:42,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:56:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-29 05:56:42,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-08-29 05:56:42,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-29 05:56:42,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961724309]
[2021-08-29 05:56:42,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961724309] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-29 05:56:42,291 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-29 05:56:42,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-08-29 05:56:42,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157420551]
[2021-08-29 05:56:42,291 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-08-29 05:56:42,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-29 05:56:42,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-08-29 05:56:42,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:56:42,292 INFO L87 Difference]: Start difference. First operand 21281 states and 33024 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:56:57,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-29 05:56:57,184 INFO L93 Difference]: Finished difference Result 63807 states and 99006 transitions.
[2021-08-29 05:56:57,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-08-29 05:56:57,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30
[2021-08-29 05:56:57,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-08-29 05:56:57,258 INFO L225 Difference]: With dead ends: 63807
[2021-08-29 05:56:57,258 INFO L226 Difference]: Without dead ends: 42529
[2021-08-29 05:56:57,279 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.36ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:56:57,282 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 11013 mSDsluCounter, 9573 mSDsCounter, 0 mSdLazyCounter, 36760 mSolverCounterSat, 1148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11529.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11013 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 37908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 34.38ms SdHoareTripleChecker+Time, 1148 IncrementalHoareTripleChecker+Valid, 36760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14443.33ms IncrementalHoareTripleChecker+Time
[2021-08-29 05:56:57,282 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [11013 Valid, 0 Invalid, 37908 Unknown, 0 Unchecked, 34.38ms Time], IncrementalHoareTripleChecker [1148 Valid, 36760 Invalid, 0 Unknown, 0 Unchecked, 14443.33ms Time]
[2021-08-29 05:56:57,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42529 states.
[2021-08-29 05:56:57,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42529 to 40445.
[2021-08-29 05:56:57,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40445 states, 40444 states have (on average 1.5746464246859855) internal successors, (63685), 40444 states have internal predecessors, (63685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:56:57,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40445 states to 40445 states and 63685 transitions.
[2021-08-29 05:56:57,704 INFO L78 Accepts]: Start accepts. Automaton has 40445 states and 63685 transitions. Word has length 30
[2021-08-29 05:56:57,704 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-08-29 05:56:57,704 INFO L470 AbstractCegarLoop]: Abstraction has 40445 states and 63685 transitions.
[2021-08-29 05:56:57,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:56:57,704 INFO L276 IsEmpty]: Start isEmpty. Operand 40445 states and 63685 transitions.
[2021-08-29 05:56:57,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2021-08-29 05:56:57,705 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:56:57,705 INFO L513 BasicCegarLoop]: trace histogram [3, 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]
[2021-08-29 05:56:57,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-08-29 05:56:57,706 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:56:57,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:56:57,706 INFO L82 PathProgramCache]: Analyzing trace with hash 561792454, now seen corresponding path program 1 times
[2021-08-29 05:56:57,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:56:57,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394810758]
[2021-08-29 05:56:57,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:56:57,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:56:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-29 05:56:57,753 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-08-29 05:56:57,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-29 05:56:57,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394810758]
[2021-08-29 05:56:57,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394810758] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-29 05:56:57,754 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-29 05:56:57,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-08-29 05:56:57,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050725034]
[2021-08-29 05:56:57,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-08-29 05:56:57,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-29 05:56:57,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-08-29 05:56:57,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:56:57,755 INFO L87 Difference]: Start difference. First operand 40445 states and 63685 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:57:02,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-29 05:57:02,648 INFO L93 Difference]: Finished difference Result 79526 states and 125194 transitions.
[2021-08-29 05:57:02,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-08-29 05:57:02,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36
[2021-08-29 05:57:02,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-08-29 05:57:02,702 INFO L225 Difference]: With dead ends: 79526
[2021-08-29 05:57:02,703 INFO L226 Difference]: Without dead ends: 39084
[2021-08-29 05:57:02,743 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.02ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:57:02,744 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 10625 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 12473 mSolverCounterSat, 1225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3745.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10625 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 13698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.68ms SdHoareTripleChecker+Time, 1225 IncrementalHoareTripleChecker+Valid, 12473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4590.79ms IncrementalHoareTripleChecker+Time
[2021-08-29 05:57:02,744 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [10625 Valid, 0 Invalid, 13698 Unknown, 0 Unchecked, 9.68ms Time], IncrementalHoareTripleChecker [1225 Valid, 12473 Invalid, 0 Unknown, 0 Unchecked, 4590.79ms Time]
[2021-08-29 05:57:02,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39084 states.
[2021-08-29 05:57:03,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39084 to 39082.
[2021-08-29 05:57:03,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39082 states, 39081 states have (on average 1.573475601954914) internal successors, (61493), 39081 states have internal predecessors, (61493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:57:03,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39082 states to 39082 states and 61493 transitions.
[2021-08-29 05:57:03,474 INFO L78 Accepts]: Start accepts. Automaton has 39082 states and 61493 transitions. Word has length 36
[2021-08-29 05:57:03,474 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-08-29 05:57:03,474 INFO L470 AbstractCegarLoop]: Abstraction has 39082 states and 61493 transitions.
[2021-08-29 05:57:03,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:57:03,474 INFO L276 IsEmpty]: Start isEmpty. Operand 39082 states and 61493 transitions.
[2021-08-29 05:57:03,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2021-08-29 05:57:03,475 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:57:03,475 INFO L513 BasicCegarLoop]: trace histogram [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]
[2021-08-29 05:57:03,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-08-29 05:57:03,476 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:57:03,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:57:03,477 INFO L82 PathProgramCache]: Analyzing trace with hash -421428809, now seen corresponding path program 1 times
[2021-08-29 05:57:03,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:57:03,477 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585465250]
[2021-08-29 05:57:03,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:57:03,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:57:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-29 05:57:03,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-08-29 05:57:03,517 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-29 05:57:03,517 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585465250]
[2021-08-29 05:57:03,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585465250] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-29 05:57:03,518 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-29 05:57:03,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-08-29 05:57:03,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052158748]
[2021-08-29 05:57:03,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-08-29 05:57:03,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-29 05:57:03,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-08-29 05:57:03,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:57:03,519 INFO L87 Difference]: Start difference. First operand 39082 states and 61493 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:57:13,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-29 05:57:13,262 INFO L93 Difference]: Finished difference Result 104907 states and 165289 transitions.
[2021-08-29 05:57:13,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-08-29 05:57:13,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39
[2021-08-29 05:57:13,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-08-29 05:57:13,362 INFO L225 Difference]: With dead ends: 104907
[2021-08-29 05:57:13,363 INFO L226 Difference]: Without dead ends: 65994
[2021-08-29 05:57:13,392 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.56ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:57:13,393 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 10852 mSDsluCounter, 10431 mSDsCounter, 0 mSdLazyCounter, 23865 mSolverCounterSat, 1383 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7410.34ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10852 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 25248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.98ms SdHoareTripleChecker+Time, 1383 IncrementalHoareTripleChecker+Valid, 23865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9165.42ms IncrementalHoareTripleChecker+Time
[2021-08-29 05:57:13,393 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [10852 Valid, 0 Invalid, 25248 Unknown, 0 Unchecked, 19.98ms Time], IncrementalHoareTripleChecker [1383 Valid, 23865 Invalid, 0 Unknown, 0 Unchecked, 9165.42ms Time]
[2021-08-29 05:57:13,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65994 states.
[2021-08-29 05:57:14,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65994 to 64334.
[2021-08-29 05:57:14,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64334 states, 64333 states have (on average 1.5843501779801967) internal successors, (101926), 64333 states have internal predecessors, (101926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:57:14,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64334 states to 64334 states and 101926 transitions.
[2021-08-29 05:57:14,310 INFO L78 Accepts]: Start accepts. Automaton has 64334 states and 101926 transitions. Word has length 39
[2021-08-29 05:57:14,310 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-08-29 05:57:14,310 INFO L470 AbstractCegarLoop]: Abstraction has 64334 states and 101926 transitions.
[2021-08-29 05:57:14,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:57:14,311 INFO L276 IsEmpty]: Start isEmpty. Operand 64334 states and 101926 transitions.
[2021-08-29 05:57:14,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2021-08-29 05:57:14,311 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:57:14,312 INFO L513 BasicCegarLoop]: trace histogram [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]
[2021-08-29 05:57:14,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-08-29 05:57:14,312 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:57:14,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:57:14,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1116669619, now seen corresponding path program 1 times
[2021-08-29 05:57:14,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:57:14,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125874424]
[2021-08-29 05:57:14,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:57:14,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:57:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-29 05:57:14,357 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-08-29 05:57:14,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-29 05:57:14,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125874424]
[2021-08-29 05:57:14,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125874424] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-29 05:57:14,357 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-29 05:57:14,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-08-29 05:57:14,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952607784]
[2021-08-29 05:57:14,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-08-29 05:57:14,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-29 05:57:14,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-08-29 05:57:14,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:57:14,358 INFO L87 Difference]: Start difference. First operand 64334 states and 101926 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:57:22,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-29 05:57:22,380 INFO L93 Difference]: Finished difference Result 128505 states and 203588 transitions.
[2021-08-29 05:57:22,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-08-29 05:57:22,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43
[2021-08-29 05:57:22,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-08-29 05:57:22,470 INFO L225 Difference]: With dead ends: 128505
[2021-08-29 05:57:22,470 INFO L226 Difference]: Without dead ends: 64386
[2021-08-29 05:57:22,529 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.21ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:57:22,530 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 303 mSDsluCounter, 10519 mSDsCounter, 0 mSdLazyCounter, 23973 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5938.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 24009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.36ms SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 23973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7590.40ms IncrementalHoareTripleChecker+Time
[2021-08-29 05:57:22,531 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [303 Valid, 0 Invalid, 24009 Unknown, 0 Unchecked, 16.36ms Time], IncrementalHoareTripleChecker [36 Valid, 23973 Invalid, 0 Unknown, 0 Unchecked, 7590.40ms Time]
[2021-08-29 05:57:22,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64386 states.
[2021-08-29 05:57:23,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64386 to 64384.
[2021-08-29 05:57:23,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64384 states, 64383 states have (on average 1.5838963701598248) internal successors, (101976), 64383 states have internal predecessors, (101976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:57:23,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64384 states to 64384 states and 101976 transitions.
[2021-08-29 05:57:23,466 INFO L78 Accepts]: Start accepts. Automaton has 64384 states and 101976 transitions. Word has length 43
[2021-08-29 05:57:23,466 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-08-29 05:57:23,466 INFO L470 AbstractCegarLoop]: Abstraction has 64384 states and 101976 transitions.
[2021-08-29 05:57:23,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:57:23,466 INFO L276 IsEmpty]: Start isEmpty. Operand 64384 states and 101976 transitions.
[2021-08-29 05:57:23,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2021-08-29 05:57:23,467 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:57:23,467 INFO L513 BasicCegarLoop]: trace histogram [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]
[2021-08-29 05:57:23,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-08-29 05:57:23,468 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:57:23,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:57:23,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1299656225, now seen corresponding path program 1 times
[2021-08-29 05:57:23,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:57:23,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552389867]
[2021-08-29 05:57:23,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:57:23,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:57:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-29 05:57:23,519 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-08-29 05:57:23,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-29 05:57:23,520 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552389867]
[2021-08-29 05:57:23,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552389867] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-29 05:57:23,520 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-29 05:57:23,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-08-29 05:57:23,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582403860]
[2021-08-29 05:57:23,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-08-29 05:57:23,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-29 05:57:23,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-08-29 05:57:23,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-08-29 05:57:23,521 INFO L87 Difference]: Start difference. First operand 64384 states and 101976 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:57:38,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-29 05:57:38,178 INFO L93 Difference]: Finished difference Result 123103 states and 194868 transitions.
[2021-08-29 05:57:38,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-08-29 05:57:38,178 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52
[2021-08-29 05:57:38,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-08-29 05:57:38,258 INFO L225 Difference]: With dead ends: 123103
[2021-08-29 05:57:38,258 INFO L226 Difference]: Without dead ends: 64644
[2021-08-29 05:57:38,425 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.12ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-08-29 05:57:38,426 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 31097 mSDsluCounter, 9472 mSDsCounter, 0 mSdLazyCounter, 23155 mSolverCounterSat, 3556 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11198.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 31097 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 26711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 60.02ms SdHoareTripleChecker+Time, 3556 IncrementalHoareTripleChecker+Valid, 23155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14026.94ms IncrementalHoareTripleChecker+Time
[2021-08-29 05:57:38,427 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [31097 Valid, 0 Invalid, 26711 Unknown, 0 Unchecked, 60.02ms Time], IncrementalHoareTripleChecker [3556 Valid, 23155 Invalid, 0 Unknown, 0 Unchecked, 14026.94ms Time]
[2021-08-29 05:57:38,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64644 states.
[2021-08-29 05:57:38,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64644 to 62168.
[2021-08-29 05:57:39,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62168 states, 62167 states have (on average 1.562420576833368) internal successors, (97131), 62167 states have internal predecessors, (97131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:57:39,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62168 states to 62168 states and 97131 transitions.
[2021-08-29 05:57:39,106 INFO L78 Accepts]: Start accepts. Automaton has 62168 states and 97131 transitions. Word has length 52
[2021-08-29 05:57:39,107 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-08-29 05:57:39,107 INFO L470 AbstractCegarLoop]: Abstraction has 62168 states and 97131 transitions.
[2021-08-29 05:57:39,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:57:39,107 INFO L276 IsEmpty]: Start isEmpty. Operand 62168 states and 97131 transitions.
[2021-08-29 05:57:39,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2021-08-29 05:57:39,114 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:57:39,114 INFO L513 BasicCegarLoop]: trace histogram [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]
[2021-08-29 05:57:39,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2021-08-29 05:57:39,114 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:57:39,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:57:39,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1610447069, now seen corresponding path program 1 times
[2021-08-29 05:57:39,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:57:39,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729645865]
[2021-08-29 05:57:39,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:57:39,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:57:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-29 05:57:39,217 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-08-29 05:57:39,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-29 05:57:39,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729645865]
[2021-08-29 05:57:39,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729645865] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-29 05:57:39,218 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-29 05:57:39,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-08-29 05:57:39,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18408479]
[2021-08-29 05:57:39,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-08-29 05:57:39,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-29 05:57:39,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-08-29 05:57:39,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:57:39,219 INFO L87 Difference]: Start difference. First operand 62168 states and 97131 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:57:45,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-29 05:57:45,410 INFO L93 Difference]: Finished difference Result 124183 states and 194018 transitions.
[2021-08-29 05:57:45,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-08-29 05:57:45,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53
[2021-08-29 05:57:45,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-08-29 05:57:45,502 INFO L225 Difference]: With dead ends: 124183
[2021-08-29 05:57:45,502 INFO L226 Difference]: Without dead ends: 62230
[2021-08-29 05:57:45,544 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.07ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:57:45,545 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 277 mSDsluCounter, 10302 mSDsCounter, 0 mSdLazyCounter, 22999 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4732.20ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 23065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.54ms SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 22999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5752.48ms IncrementalHoareTripleChecker+Time
[2021-08-29 05:57:45,545 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 0 Invalid, 23065 Unknown, 0 Unchecked, 12.54ms Time], IncrementalHoareTripleChecker [66 Valid, 22999 Invalid, 0 Unknown, 0 Unchecked, 5752.48ms Time]
[2021-08-29 05:57:45,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62230 states.
[2021-08-29 05:57:46,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62230 to 62228.
[2021-08-29 05:57:46,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62228 states, 62227 states have (on average 1.5618782843460235) internal successors, (97191), 62227 states have internal predecessors, (97191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:57:46,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62228 states to 62228 states and 97191 transitions.
[2021-08-29 05:57:46,455 INFO L78 Accepts]: Start accepts. Automaton has 62228 states and 97191 transitions. Word has length 53
[2021-08-29 05:57:46,455 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-08-29 05:57:46,455 INFO L470 AbstractCegarLoop]: Abstraction has 62228 states and 97191 transitions.
[2021-08-29 05:57:46,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:57:46,455 INFO L276 IsEmpty]: Start isEmpty. Operand 62228 states and 97191 transitions.
[2021-08-29 05:57:46,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2021-08-29 05:57:46,456 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:57:46,456 INFO L513 BasicCegarLoop]: trace histogram [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]
[2021-08-29 05:57:46,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2021-08-29 05:57:46,456 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:57:46,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:57:46,456 INFO L82 PathProgramCache]: Analyzing trace with hash -2089054241, now seen corresponding path program 1 times
[2021-08-29 05:57:46,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:57:46,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470294264]
[2021-08-29 05:57:46,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:57:46,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:57:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-29 05:57:46,504 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-08-29 05:57:46,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-29 05:57:46,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470294264]
[2021-08-29 05:57:46,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470294264] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-29 05:57:46,504 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-29 05:57:46,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-08-29 05:57:46,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323301375]
[2021-08-29 05:57:46,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-08-29 05:57:46,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-29 05:57:46,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-08-29 05:57:46,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:57:46,505 INFO L87 Difference]: Start difference. First operand 62228 states and 97191 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:57:59,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-29 05:57:59,691 INFO L93 Difference]: Finished difference Result 113440 states and 176621 transitions.
[2021-08-29 05:57:59,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-08-29 05:57:59,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58
[2021-08-29 05:57:59,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-08-29 05:57:59,778 INFO L225 Difference]: With dead ends: 113440
[2021-08-29 05:57:59,778 INFO L226 Difference]: Without dead ends: 63214
[2021-08-29 05:57:59,816 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.00ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:57:59,816 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 10240 mSDsluCounter, 9409 mSDsCounter, 0 mSdLazyCounter, 22704 mSolverCounterSat, 1109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9907.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10240 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 23813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.21ms SdHoareTripleChecker+Time, 1109 IncrementalHoareTripleChecker+Valid, 22704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12575.91ms IncrementalHoareTripleChecker+Time
[2021-08-29 05:57:59,817 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [10240 Valid, 0 Invalid, 23813 Unknown, 0 Unchecked, 24.21ms Time], IncrementalHoareTripleChecker [1109 Valid, 22704 Invalid, 0 Unknown, 0 Unchecked, 12575.91ms Time]
[2021-08-29 05:57:59,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63214 states.
[2021-08-29 05:58:00,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63214 to 61972.
[2021-08-29 05:58:00,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61972 states, 61971 states have (on average 1.5518064901324813) internal successors, (96167), 61971 states have internal predecessors, (96167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:58:00,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61972 states to 61972 states and 96167 transitions.
[2021-08-29 05:58:00,628 INFO L78 Accepts]: Start accepts. Automaton has 61972 states and 96167 transitions. Word has length 58
[2021-08-29 05:58:00,628 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-08-29 05:58:00,629 INFO L470 AbstractCegarLoop]: Abstraction has 61972 states and 96167 transitions.
[2021-08-29 05:58:00,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:58:00,629 INFO L276 IsEmpty]: Start isEmpty. Operand 61972 states and 96167 transitions.
[2021-08-29 05:58:00,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2021-08-29 05:58:00,629 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:58:00,630 INFO L513 BasicCegarLoop]: trace histogram [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]
[2021-08-29 05:58:00,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2021-08-29 05:58:00,630 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:58:00,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:58:00,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1311774324, now seen corresponding path program 1 times
[2021-08-29 05:58:00,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:58:00,630 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326968480]
[2021-08-29 05:58:00,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:58:00,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:58:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-29 05:58:00,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-08-29 05:58:00,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-29 05:58:00,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326968480]
[2021-08-29 05:58:00,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326968480] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-29 05:58:00,676 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-29 05:58:00,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-08-29 05:58:00,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646753034]
[2021-08-29 05:58:00,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-08-29 05:58:00,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-29 05:58:00,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-08-29 05:58:00,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:58:00,677 INFO L87 Difference]: Start difference. First operand 61972 states and 96167 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:58:13,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-29 05:58:13,375 INFO L93 Difference]: Finished difference Result 126061 states and 194484 transitions.
[2021-08-29 05:58:13,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-08-29 05:58:13,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64
[2021-08-29 05:58:13,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-08-29 05:58:13,458 INFO L225 Difference]: With dead ends: 126061
[2021-08-29 05:58:13,458 INFO L226 Difference]: Without dead ends: 64264
[2021-08-29 05:58:13,499 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.32ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:58:13,500 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 10518 mSDsluCounter, 9182 mSDsCounter, 0 mSdLazyCounter, 23497 mSolverCounterSat, 876 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9751.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10518 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 24373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 24.21ms SdHoareTripleChecker+Time, 876 IncrementalHoareTripleChecker+Valid, 23497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12204.99ms IncrementalHoareTripleChecker+Time
[2021-08-29 05:58:13,500 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [10518 Valid, 0 Invalid, 24373 Unknown, 0 Unchecked, 24.21ms Time], IncrementalHoareTripleChecker [876 Valid, 23497 Invalid, 0 Unknown, 0 Unchecked, 12204.99ms Time]
[2021-08-29 05:58:13,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64264 states.
[2021-08-29 05:58:14,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64264 to 61650.
[2021-08-29 05:58:14,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61650 states, 61649 states have (on average 1.548265178672809) internal successors, (95449), 61649 states have internal predecessors, (95449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:58:14,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61650 states to 61650 states and 95449 transitions.
[2021-08-29 05:58:14,244 INFO L78 Accepts]: Start accepts. Automaton has 61650 states and 95449 transitions. Word has length 64
[2021-08-29 05:58:14,244 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-08-29 05:58:14,244 INFO L470 AbstractCegarLoop]: Abstraction has 61650 states and 95449 transitions.
[2021-08-29 05:58:14,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:58:14,244 INFO L276 IsEmpty]: Start isEmpty. Operand 61650 states and 95449 transitions.
[2021-08-29 05:58:14,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75
[2021-08-29 05:58:14,245 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:58:14,245 INFO L513 BasicCegarLoop]: trace histogram [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]
[2021-08-29 05:58:14,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2021-08-29 05:58:14,246 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:58:14,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:58:14,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1468274043, now seen corresponding path program 1 times
[2021-08-29 05:58:14,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:58:14,246 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770832053]
[2021-08-29 05:58:14,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:58:14,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:58:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-29 05:58:14,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-08-29 05:58:14,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-29 05:58:14,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770832053]
[2021-08-29 05:58:14,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770832053] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-29 05:58:14,299 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-29 05:58:14,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-08-29 05:58:14,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765728699]
[2021-08-29 05:58:14,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-08-29 05:58:14,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-29 05:58:14,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-08-29 05:58:14,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:58:14,300 INFO L87 Difference]: Start difference. First operand 61650 states and 95449 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:58:24,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-29 05:58:24,283 INFO L93 Difference]: Finished difference Result 88764 states and 136295 transitions.
[2021-08-29 05:58:24,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-08-29 05:58:24,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74
[2021-08-29 05:58:24,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-08-29 05:58:24,363 INFO L225 Difference]: With dead ends: 88764
[2021-08-29 05:58:24,363 INFO L226 Difference]: Without dead ends: 62932
[2021-08-29 05:58:24,391 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.13ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:58:24,391 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 9845 mSDsluCounter, 8767 mSDsCounter, 0 mSdLazyCounter, 32809 mSolverCounterSat, 758 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7908.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9845 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 33567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.44ms SdHoareTripleChecker+Time, 758 IncrementalHoareTripleChecker+Valid, 32809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9597.17ms IncrementalHoareTripleChecker+Time
[2021-08-29 05:58:24,392 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [9845 Valid, 0 Invalid, 33567 Unknown, 0 Unchecked, 19.44ms Time], IncrementalHoareTripleChecker [758 Valid, 32809 Invalid, 0 Unknown, 0 Unchecked, 9597.17ms Time]
[2021-08-29 05:58:24,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62932 states.
[2021-08-29 05:58:24,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62932 to 61646.
[2021-08-29 05:58:24,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61646 states, 61645 states have (on average 1.546970557222808) internal successors, (95363), 61645 states have internal predecessors, (95363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:58:25,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61646 states to 61646 states and 95363 transitions.
[2021-08-29 05:58:25,030 INFO L78 Accepts]: Start accepts. Automaton has 61646 states and 95363 transitions. Word has length 74
[2021-08-29 05:58:25,030 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-08-29 05:58:25,030 INFO L470 AbstractCegarLoop]: Abstraction has 61646 states and 95363 transitions.
[2021-08-29 05:58:25,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:58:25,032 INFO L276 IsEmpty]: Start isEmpty. Operand 61646 states and 95363 transitions.
[2021-08-29 05:58:25,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2021-08-29 05:58:25,033 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:58:25,033 INFO L513 BasicCegarLoop]: trace histogram [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]
[2021-08-29 05:58:25,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2021-08-29 05:58:25,034 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:58:25,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:58:25,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1736777499, now seen corresponding path program 1 times
[2021-08-29 05:58:25,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:58:25,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528486379]
[2021-08-29 05:58:25,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:58:25,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:58:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-29 05:58:25,143 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-08-29 05:58:25,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-29 05:58:25,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528486379]
[2021-08-29 05:58:25,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528486379] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-29 05:58:25,144 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-29 05:58:25,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-08-29 05:58:25,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595113983]
[2021-08-29 05:58:25,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-08-29 05:58:25,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-29 05:58:25,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-08-29 05:58:25,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:58:25,145 INFO L87 Difference]: Start difference. First operand 61646 states and 95363 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:58:32,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-29 05:58:32,907 INFO L93 Difference]: Finished difference Result 119086 states and 184218 transitions.
[2021-08-29 05:58:32,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-08-29 05:58:32,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81
[2021-08-29 05:58:32,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-08-29 05:58:32,995 INFO L225 Difference]: With dead ends: 119086
[2021-08-29 05:58:32,995 INFO L226 Difference]: Without dead ends: 57643
[2021-08-29 05:58:33,033 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.02ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:58:33,033 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 9552 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 12104 mSolverCounterSat, 808 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5776.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9552 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 12912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.36ms SdHoareTripleChecker+Time, 808 IncrementalHoareTripleChecker+Valid, 12104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7345.95ms IncrementalHoareTripleChecker+Time
[2021-08-29 05:58:33,034 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [9552 Valid, 0 Invalid, 12912 Unknown, 0 Unchecked, 13.36ms Time], IncrementalHoareTripleChecker [808 Valid, 12104 Invalid, 0 Unknown, 0 Unchecked, 7345.95ms Time]
[2021-08-29 05:58:33,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57643 states.
[2021-08-29 05:58:33,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57643 to 57641.
[2021-08-29 05:58:33,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57641 states, 57640 states have (on average 1.5460444136016656) internal successors, (89114), 57640 states have internal predecessors, (89114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:58:33,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57641 states to 57641 states and 89114 transitions.
[2021-08-29 05:58:33,717 INFO L78 Accepts]: Start accepts. Automaton has 57641 states and 89114 transitions. Word has length 81
[2021-08-29 05:58:33,718 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-08-29 05:58:33,718 INFO L470 AbstractCegarLoop]: Abstraction has 57641 states and 89114 transitions.
[2021-08-29 05:58:33,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:58:33,718 INFO L276 IsEmpty]: Start isEmpty. Operand 57641 states and 89114 transitions.
[2021-08-29 05:58:33,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85
[2021-08-29 05:58:33,719 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:58:33,719 INFO L513 BasicCegarLoop]: trace histogram [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]
[2021-08-29 05:58:33,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2021-08-29 05:58:33,719 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:58:33,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:58:33,720 INFO L82 PathProgramCache]: Analyzing trace with hash -1749163296, now seen corresponding path program 1 times
[2021-08-29 05:58:33,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:58:33,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871622067]
[2021-08-29 05:58:33,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:58:33,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:58:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-29 05:58:33,763 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-08-29 05:58:33,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-29 05:58:33,763 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871622067]
[2021-08-29 05:58:33,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871622067] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-29 05:58:33,764 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-29 05:58:33,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-08-29 05:58:33,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307167021]
[2021-08-29 05:58:33,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-08-29 05:58:33,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-29 05:58:33,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-08-29 05:58:33,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:58:33,765 INFO L87 Difference]: Start difference. First operand 57641 states and 89114 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:58:41,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-29 05:58:41,307 INFO L93 Difference]: Finished difference Result 114966 states and 177748 transitions.
[2021-08-29 05:58:41,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-08-29 05:58:41,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84
[2021-08-29 05:58:41,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-08-29 05:58:41,392 INFO L225 Difference]: With dead ends: 114966
[2021-08-29 05:58:41,393 INFO L226 Difference]: Without dead ends: 57723
[2021-08-29 05:58:41,427 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.18ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:58:41,428 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 276 mSDsluCounter, 9968 mSDsCounter, 0 mSdLazyCounter, 22156 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5661.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 22187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.09ms SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 22156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7138.97ms IncrementalHoareTripleChecker+Time
[2021-08-29 05:58:41,429 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [276 Valid, 0 Invalid, 22187 Unknown, 0 Unchecked, 15.09ms Time], IncrementalHoareTripleChecker [31 Valid, 22156 Invalid, 0 Unknown, 0 Unchecked, 7138.97ms Time]
[2021-08-29 05:58:41,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57723 states.
[2021-08-29 05:58:42,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57723 to 57721.
[2021-08-29 05:58:42,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57721 states, 57720 states have (on average 1.5452875952875953) internal successors, (89194), 57720 states have internal predecessors, (89194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:58:42,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57721 states to 57721 states and 89194 transitions.
[2021-08-29 05:58:42,160 INFO L78 Accepts]: Start accepts. Automaton has 57721 states and 89194 transitions. Word has length 84
[2021-08-29 05:58:42,160 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-08-29 05:58:42,161 INFO L470 AbstractCegarLoop]: Abstraction has 57721 states and 89194 transitions.
[2021-08-29 05:58:42,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:58:42,162 INFO L276 IsEmpty]: Start isEmpty. Operand 57721 states and 89194 transitions.
[2021-08-29 05:58:42,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89
[2021-08-29 05:58:42,163 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:58:42,163 INFO L513 BasicCegarLoop]: trace histogram [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]
[2021-08-29 05:58:42,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2021-08-29 05:58:42,164 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:58:42,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:58:42,164 INFO L82 PathProgramCache]: Analyzing trace with hash 668432337, now seen corresponding path program 1 times
[2021-08-29 05:58:42,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:58:42,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175182696]
[2021-08-29 05:58:42,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:58:42,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:58:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-29 05:58:42,287 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-08-29 05:58:42,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-29 05:58:42,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175182696]
[2021-08-29 05:58:42,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175182696] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-29 05:58:42,287 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-29 05:58:42,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-08-29 05:58:42,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372916232]
[2021-08-29 05:58:42,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-08-29 05:58:42,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-29 05:58:42,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-08-29 05:58:42,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-08-29 05:58:42,289 INFO L87 Difference]: Start difference. First operand 57721 states and 89194 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:58:55,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-29 05:58:55,007 INFO L93 Difference]: Finished difference Result 82679 states and 126797 transitions.
[2021-08-29 05:58:55,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-08-29 05:58:55,007 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88
[2021-08-29 05:58:55,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-08-29 05:58:55,047 INFO L225 Difference]: With dead ends: 82679
[2021-08-29 05:58:55,047 INFO L226 Difference]: Without dead ends: 36250
[2021-08-29 05:58:55,067 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.09ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-08-29 05:58:55,068 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 28424 mSDsluCounter, 8366 mSDsCounter, 0 mSdLazyCounter, 21656 mSolverCounterSat, 2547 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9857.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 28424 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 24203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 45.26ms SdHoareTripleChecker+Time, 2547 IncrementalHoareTripleChecker+Valid, 21656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12152.45ms IncrementalHoareTripleChecker+Time
[2021-08-29 05:58:55,068 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [28424 Valid, 0 Invalid, 24203 Unknown, 0 Unchecked, 45.26ms Time], IncrementalHoareTripleChecker [2547 Valid, 21656 Invalid, 0 Unknown, 0 Unchecked, 12152.45ms Time]
[2021-08-29 05:58:55,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36250 states.
[2021-08-29 05:58:55,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36250 to 35099.
[2021-08-29 05:58:55,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35099 states, 35098 states have (on average 1.520969855832241) internal successors, (53383), 35098 states have internal predecessors, (53383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:58:55,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35099 states to 35099 states and 53383 transitions.
[2021-08-29 05:58:55,380 INFO L78 Accepts]: Start accepts. Automaton has 35099 states and 53383 transitions. Word has length 88
[2021-08-29 05:58:55,381 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-08-29 05:58:55,381 INFO L470 AbstractCegarLoop]: Abstraction has 35099 states and 53383 transitions.
[2021-08-29 05:58:55,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:58:55,381 INFO L276 IsEmpty]: Start isEmpty. Operand 35099 states and 53383 transitions.
[2021-08-29 05:58:55,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91
[2021-08-29 05:58:55,382 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:58:55,382 INFO L513 BasicCegarLoop]: trace histogram [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]
[2021-08-29 05:58:55,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2021-08-29 05:58:55,382 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:58:55,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:58:55,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1526878815, now seen corresponding path program 1 times
[2021-08-29 05:58:55,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:58:55,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796437137]
[2021-08-29 05:58:55,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:58:55,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:58:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-29 05:58:55,448 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-08-29 05:58:55,449 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-29 05:58:55,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796437137]
[2021-08-29 05:58:55,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796437137] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-29 05:58:55,449 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-29 05:58:55,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-08-29 05:58:55,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551246273]
[2021-08-29 05:58:55,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-08-29 05:58:55,450 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-29 05:58:55,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-08-29 05:58:55,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-08-29 05:58:55,450 INFO L87 Difference]: Start difference. First operand 35099 states and 53383 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:59:06,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-29 05:59:06,717 INFO L93 Difference]: Finished difference Result 48617 states and 72988 transitions.
[2021-08-29 05:59:06,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-08-29 05:59:06,717 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90
[2021-08-29 05:59:06,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-08-29 05:59:06,743 INFO L225 Difference]: With dead ends: 48617
[2021-08-29 05:59:06,743 INFO L226 Difference]: Without dead ends: 24950
[2021-08-29 05:59:06,753 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.57ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-08-29 05:59:06,753 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 19885 mSDsluCounter, 8366 mSDsCounter, 0 mSdLazyCounter, 30344 mSolverCounterSat, 1651 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9033.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 19885 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 31995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 31.07ms SdHoareTripleChecker+Time, 1651 IncrementalHoareTripleChecker+Valid, 30344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10945.40ms IncrementalHoareTripleChecker+Time
[2021-08-29 05:59:06,754 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [19885 Valid, 0 Invalid, 31995 Unknown, 0 Unchecked, 31.07ms Time], IncrementalHoareTripleChecker [1651 Valid, 30344 Invalid, 0 Unknown, 0 Unchecked, 10945.40ms Time]
[2021-08-29 05:59:06,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24950 states.
[2021-08-29 05:59:06,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24950 to 23799.
[2021-08-29 05:59:06,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23799 states, 23798 states have (on average 1.5068913354063367) internal successors, (35861), 23798 states have internal predecessors, (35861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:59:06,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23799 states to 23799 states and 35861 transitions.
[2021-08-29 05:59:06,978 INFO L78 Accepts]: Start accepts. Automaton has 23799 states and 35861 transitions. Word has length 90
[2021-08-29 05:59:06,979 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-08-29 05:59:06,979 INFO L470 AbstractCegarLoop]: Abstraction has 23799 states and 35861 transitions.
[2021-08-29 05:59:06,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:59:06,979 INFO L276 IsEmpty]: Start isEmpty. Operand 23799 states and 35861 transitions.
[2021-08-29 05:59:06,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99
[2021-08-29 05:59:06,980 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:59:06,980 INFO L513 BasicCegarLoop]: trace histogram [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]
[2021-08-29 05:59:06,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2021-08-29 05:59:06,981 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:59:06,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:59:06,981 INFO L82 PathProgramCache]: Analyzing trace with hash -447066393, now seen corresponding path program 1 times
[2021-08-29 05:59:06,981 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:59:06,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967938359]
[2021-08-29 05:59:06,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:59:06,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:59:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-29 05:59:07,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-08-29 05:59:07,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-29 05:59:07,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967938359]
[2021-08-29 05:59:07,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967938359] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-29 05:59:07,032 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-29 05:59:07,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-08-29 05:59:07,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794745230]
[2021-08-29 05:59:07,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-08-29 05:59:07,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-29 05:59:07,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-08-29 05:59:07,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:59:07,033 INFO L87 Difference]: Start difference. First operand 23799 states and 35861 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:59:16,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-29 05:59:16,235 INFO L93 Difference]: Finished difference Result 24574 states and 36974 transitions.
[2021-08-29 05:59:16,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-08-29 05:59:16,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98
[2021-08-29 05:59:16,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-08-29 05:59:16,258 INFO L225 Difference]: With dead ends: 24574
[2021-08-29 05:59:16,258 INFO L226 Difference]: Without dead ends: 24572
[2021-08-29 05:59:16,262 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.06ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:59:16,263 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 887 mSDsluCounter, 10116 mSDsCounter, 0 mSdLazyCounter, 21967 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7117.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 887 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 22129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.10ms SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 21967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9008.75ms IncrementalHoareTripleChecker+Time
[2021-08-29 05:59:16,263 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [887 Valid, 0 Invalid, 22129 Unknown, 0 Unchecked, 19.10ms Time], IncrementalHoareTripleChecker [162 Valid, 21967 Invalid, 0 Unknown, 0 Unchecked, 9008.75ms Time]
[2021-08-29 05:59:16,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24572 states.
[2021-08-29 05:59:16,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24572 to 24570.
[2021-08-29 05:59:16,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24570 states, 24569 states have (on average 1.5044975375473157) internal successors, (36964), 24569 states have internal predecessors, (36964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:59:16,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24570 states to 24570 states and 36964 transitions.
[2021-08-29 05:59:16,472 INFO L78 Accepts]: Start accepts. Automaton has 24570 states and 36964 transitions. Word has length 98
[2021-08-29 05:59:16,472 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-08-29 05:59:16,472 INFO L470 AbstractCegarLoop]: Abstraction has 24570 states and 36964 transitions.
[2021-08-29 05:59:16,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:59:16,472 INFO L276 IsEmpty]: Start isEmpty. Operand 24570 states and 36964 transitions.
[2021-08-29 05:59:16,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115
[2021-08-29 05:59:16,494 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:59:16,494 INFO L513 BasicCegarLoop]: trace histogram [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]
[2021-08-29 05:59:16,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2021-08-29 05:59:16,494 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:59:16,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:59:16,494 INFO L82 PathProgramCache]: Analyzing trace with hash -930949646, now seen corresponding path program 1 times
[2021-08-29 05:59:16,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:59:16,495 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533057917]
[2021-08-29 05:59:16,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:59:16,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:59:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-29 05:59:16,597 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-08-29 05:59:16,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-29 05:59:16,598 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533057917]
[2021-08-29 05:59:16,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533057917] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-29 05:59:16,598 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-29 05:59:16,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-08-29 05:59:16,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516517216]
[2021-08-29 05:59:16,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-08-29 05:59:16,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-29 05:59:16,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-08-29 05:59:16,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:59:16,599 INFO L87 Difference]: Start difference. First operand 24570 states and 36964 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:59:24,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-29 05:59:24,324 INFO L93 Difference]: Finished difference Result 42966 states and 64448 transitions.
[2021-08-29 05:59:24,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-08-29 05:59:24,325 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114
[2021-08-29 05:59:24,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-08-29 05:59:24,342 INFO L225 Difference]: With dead ends: 42966
[2021-08-29 05:59:24,343 INFO L226 Difference]: Without dead ends: 19565
[2021-08-29 05:59:24,354 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.19ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:59:24,354 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 290 mSDsluCounter, 9828 mSDsCounter, 0 mSdLazyCounter, 21706 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5991.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 21732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.76ms SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 21706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7493.74ms IncrementalHoareTripleChecker+Time
[2021-08-29 05:59:24,355 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [290 Valid, 0 Invalid, 21732 Unknown, 0 Unchecked, 16.76ms Time], IncrementalHoareTripleChecker [26 Valid, 21706 Invalid, 0 Unknown, 0 Unchecked, 7493.74ms Time]
[2021-08-29 05:59:24,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19565 states.
[2021-08-29 05:59:24,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19565 to 19563.
[2021-08-29 05:59:24,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19563 states, 19562 states have (on average 1.4900828136182394) internal successors, (29149), 19562 states have internal predecessors, (29149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:59:24,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19563 states to 19563 states and 29149 transitions.
[2021-08-29 05:59:24,530 INFO L78 Accepts]: Start accepts. Automaton has 19563 states and 29149 transitions. Word has length 114
[2021-08-29 05:59:24,530 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-08-29 05:59:24,530 INFO L470 AbstractCegarLoop]: Abstraction has 19563 states and 29149 transitions.
[2021-08-29 05:59:24,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:59:24,531 INFO L276 IsEmpty]: Start isEmpty. Operand 19563 states and 29149 transitions.
[2021-08-29 05:59:24,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137
[2021-08-29 05:59:24,560 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:59:24,561 INFO L513 BasicCegarLoop]: trace histogram [4, 3, 3, 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]
[2021-08-29 05:59:24,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2021-08-29 05:59:24,561 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:59:24,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:59:24,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1991972653, now seen corresponding path program 1 times
[2021-08-29 05:59:24,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:59:24,562 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450000092]
[2021-08-29 05:59:24,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:59:24,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:59:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-29 05:59:24,650 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2021-08-29 05:59:24,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-29 05:59:24,650 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450000092]
[2021-08-29 05:59:24,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450000092] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-29 05:59:24,651 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-29 05:59:24,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-08-29 05:59:24,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787042231]
[2021-08-29 05:59:24,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-08-29 05:59:24,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-29 05:59:24,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-08-29 05:59:24,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:59:24,652 INFO L87 Difference]: Start difference. First operand 19563 states and 29149 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:59:28,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-29 05:59:28,756 INFO L93 Difference]: Finished difference Result 36148 states and 53944 transitions.
[2021-08-29 05:59:28,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-08-29 05:59:28,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 136
[2021-08-29 05:59:28,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-08-29 05:59:28,776 INFO L225 Difference]: With dead ends: 36148
[2021-08-29 05:59:28,777 INFO L226 Difference]: Without dead ends: 17944
[2021-08-29 05:59:28,791 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.86ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:59:28,792 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 8617 mSDsluCounter, 1218 mSDsCounter, 0 mSdLazyCounter, 12018 mSolverCounterSat, 642 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3233.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8617 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 12660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.79ms SdHoareTripleChecker+Time, 642 IncrementalHoareTripleChecker+Valid, 12018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3946.10ms IncrementalHoareTripleChecker+Time
[2021-08-29 05:59:28,793 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [8617 Valid, 0 Invalid, 12660 Unknown, 0 Unchecked, 7.79ms Time], IncrementalHoareTripleChecker [642 Valid, 12018 Invalid, 0 Unknown, 0 Unchecked, 3946.10ms Time]
[2021-08-29 05:59:28,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17944 states.
[2021-08-29 05:59:29,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17944 to 17942.
[2021-08-29 05:59:29,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17942 states, 17941 states have (on average 1.4900507218103785) internal successors, (26733), 17941 states have internal predecessors, (26733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:59:29,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17942 states to 17942 states and 26733 transitions.
[2021-08-29 05:59:29,044 INFO L78 Accepts]: Start accepts. Automaton has 17942 states and 26733 transitions. Word has length 136
[2021-08-29 05:59:29,044 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-08-29 05:59:29,044 INFO L470 AbstractCegarLoop]: Abstraction has 17942 states and 26733 transitions.
[2021-08-29 05:59:29,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:59:29,045 INFO L276 IsEmpty]: Start isEmpty. Operand 17942 states and 26733 transitions.
[2021-08-29 05:59:29,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139
[2021-08-29 05:59:29,047 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:59:29,047 INFO L513 BasicCegarLoop]: trace histogram [4, 3, 3, 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]
[2021-08-29 05:59:29,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2021-08-29 05:59:29,048 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:59:29,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:59:29,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1587573456, now seen corresponding path program 1 times
[2021-08-29 05:59:29,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:59:29,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726479188]
[2021-08-29 05:59:29,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:59:29,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:59:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-29 05:59:29,156 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2021-08-29 05:59:29,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-29 05:59:29,156 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726479188]
[2021-08-29 05:59:29,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726479188] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-29 05:59:29,156 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-29 05:59:29,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-08-29 05:59:29,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538440116]
[2021-08-29 05:59:29,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-08-29 05:59:29,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-29 05:59:29,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-08-29 05:59:29,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:59:29,158 INFO L87 Difference]: Start difference. First operand 17942 states and 26733 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:59:34,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-29 05:59:34,069 INFO L93 Difference]: Finished difference Result 29250 states and 43528 transitions.
[2021-08-29 05:59:34,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-08-29 05:59:34,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 138
[2021-08-29 05:59:34,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-08-29 05:59:34,082 INFO L225 Difference]: With dead ends: 29250
[2021-08-29 05:59:34,082 INFO L226 Difference]: Without dead ends: 13058
[2021-08-29 05:59:34,090 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.70ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:59:34,094 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 291 mSDsluCounter, 9133 mSDsCounter, 0 mSdLazyCounter, 20269 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3863.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 20297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.25ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 20269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4747.92ms IncrementalHoareTripleChecker+Time
[2021-08-29 05:59:34,094 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [291 Valid, 0 Invalid, 20297 Unknown, 0 Unchecked, 13.25ms Time], IncrementalHoareTripleChecker [28 Valid, 20269 Invalid, 0 Unknown, 0 Unchecked, 4747.92ms Time]
[2021-08-29 05:59:34,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13058 states.
[2021-08-29 05:59:34,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13058 to 13056.
[2021-08-29 05:59:34,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13056 states, 13055 states have (on average 1.478207583301417) internal successors, (19298), 13055 states have internal predecessors, (19298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:59:34,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13056 states to 13056 states and 19298 transitions.
[2021-08-29 05:59:34,210 INFO L78 Accepts]: Start accepts. Automaton has 13056 states and 19298 transitions. Word has length 138
[2021-08-29 05:59:34,210 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-08-29 05:59:34,210 INFO L470 AbstractCegarLoop]: Abstraction has 13056 states and 19298 transitions.
[2021-08-29 05:59:34,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:59:34,211 INFO L276 IsEmpty]: Start isEmpty. Operand 13056 states and 19298 transitions.
[2021-08-29 05:59:34,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145
[2021-08-29 05:59:34,212 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:59:34,212 INFO L513 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-08-29 05:59:34,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2021-08-29 05:59:34,212 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:59:34,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:59:34,213 INFO L82 PathProgramCache]: Analyzing trace with hash 119023117, now seen corresponding path program 1 times
[2021-08-29 05:59:34,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:59:34,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801748593]
[2021-08-29 05:59:34,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:59:34,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:59:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-29 05:59:34,332 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2021-08-29 05:59:34,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-29 05:59:34,332 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801748593]
[2021-08-29 05:59:34,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801748593] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-29 05:59:34,333 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-29 05:59:34,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-08-29 05:59:34,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239249970]
[2021-08-29 05:59:34,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-08-29 05:59:34,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-29 05:59:34,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-08-29 05:59:34,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:59:34,334 INFO L87 Difference]: Start difference. First operand 13056 states and 19298 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:59:38,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-29 05:59:38,408 INFO L93 Difference]: Finished difference Result 23526 states and 34853 transitions.
[2021-08-29 05:59:38,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-08-29 05:59:38,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 144
[2021-08-29 05:59:38,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-08-29 05:59:38,422 INFO L225 Difference]: With dead ends: 23526
[2021-08-29 05:59:38,423 INFO L226 Difference]: Without dead ends: 12415
[2021-08-29 05:59:38,432 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.31ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:59:38,433 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 7239 mSDsluCounter, 2218 mSDsCounter, 0 mSdLazyCounter, 12790 mSolverCounterSat, 569 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3231.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7239 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 13359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.17ms SdHoareTripleChecker+Time, 569 IncrementalHoareTripleChecker+Valid, 12790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3949.56ms IncrementalHoareTripleChecker+Time
[2021-08-29 05:59:38,433 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [7239 Valid, 0 Invalid, 13359 Unknown, 0 Unchecked, 8.17ms Time], IncrementalHoareTripleChecker [569 Valid, 12790 Invalid, 0 Unknown, 0 Unchecked, 3949.56ms Time]
[2021-08-29 05:59:38,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12415 states.
[2021-08-29 05:59:38,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12415 to 12413.
[2021-08-29 05:59:38,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12413 states, 12412 states have (on average 1.4769577827908476) internal successors, (18332), 12412 states have internal predecessors, (18332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:59:38,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12413 states to 12413 states and 18332 transitions.
[2021-08-29 05:59:38,543 INFO L78 Accepts]: Start accepts. Automaton has 12413 states and 18332 transitions. Word has length 144
[2021-08-29 05:59:38,543 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-08-29 05:59:38,543 INFO L470 AbstractCegarLoop]: Abstraction has 12413 states and 18332 transitions.
[2021-08-29 05:59:38,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:59:38,543 INFO L276 IsEmpty]: Start isEmpty. Operand 12413 states and 18332 transitions.
[2021-08-29 05:59:38,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149
[2021-08-29 05:59:38,545 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:59:38,545 INFO L513 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-08-29 05:59:38,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2021-08-29 05:59:38,545 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:59:38,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:59:38,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1059270226, now seen corresponding path program 1 times
[2021-08-29 05:59:38,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:59:38,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143052908]
[2021-08-29 05:59:38,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:59:38,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:59:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-29 05:59:38,667 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2021-08-29 05:59:38,667 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-29 05:59:38,667 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143052908]
[2021-08-29 05:59:38,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143052908] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-29 05:59:38,668 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-29 05:59:38,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-08-29 05:59:38,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377549605]
[2021-08-29 05:59:38,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-08-29 05:59:38,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-29 05:59:38,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-08-29 05:59:38,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:59:38,668 INFO L87 Difference]: Start difference. First operand 12413 states and 18332 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:59:43,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-29 05:59:43,496 INFO L93 Difference]: Finished difference Result 22913 states and 33911 transitions.
[2021-08-29 05:59:43,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-08-29 05:59:43,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 148
[2021-08-29 05:59:43,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-08-29 05:59:43,510 INFO L225 Difference]: With dead ends: 22913
[2021-08-29 05:59:43,510 INFO L226 Difference]: Without dead ends: 12445
[2021-08-29 05:59:43,518 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.80ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:59:43,523 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 247 mSDsluCounter, 9149 mSDsCounter, 0 mSdLazyCounter, 20239 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3825.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 20287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.62ms SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 20239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4693.02ms IncrementalHoareTripleChecker+Time
[2021-08-29 05:59:43,526 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 0 Invalid, 20287 Unknown, 0 Unchecked, 10.62ms Time], IncrementalHoareTripleChecker [48 Valid, 20239 Invalid, 0 Unknown, 0 Unchecked, 4693.02ms Time]
[2021-08-29 05:59:43,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12445 states.
[2021-08-29 05:59:43,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12445 to 12443.
[2021-08-29 05:59:43,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12443 states, 12442 states have (on average 1.4758077479504903) internal successors, (18362), 12442 states have internal predecessors, (18362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:59:43,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12443 states to 12443 states and 18362 transitions.
[2021-08-29 05:59:43,665 INFO L78 Accepts]: Start accepts. Automaton has 12443 states and 18362 transitions. Word has length 148
[2021-08-29 05:59:43,666 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-08-29 05:59:43,666 INFO L470 AbstractCegarLoop]: Abstraction has 12443 states and 18362 transitions.
[2021-08-29 05:59:43,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:59:43,667 INFO L276 IsEmpty]: Start isEmpty. Operand 12443 states and 18362 transitions.
[2021-08-29 05:59:43,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179
[2021-08-29 05:59:43,669 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:59:43,669 INFO L513 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-08-29 05:59:43,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2021-08-29 05:59:43,669 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:59:43,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:59:43,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1097377653, now seen corresponding path program 1 times
[2021-08-29 05:59:43,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:59:43,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035461926]
[2021-08-29 05:59:43,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:59:43,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:59:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-29 05:59:43,785 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2021-08-29 05:59:43,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-29 05:59:43,785 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035461926]
[2021-08-29 05:59:43,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035461926] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-29 05:59:43,786 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-29 05:59:43,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-08-29 05:59:43,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955242936]
[2021-08-29 05:59:43,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-08-29 05:59:43,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-29 05:59:43,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-08-29 05:59:43,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:59:43,787 INFO L87 Difference]: Start difference. First operand 12443 states and 18362 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:59:47,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-29 05:59:47,121 INFO L93 Difference]: Finished difference Result 20615 states and 30499 transitions.
[2021-08-29 05:59:47,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-08-29 05:59:47,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 178
[2021-08-29 05:59:47,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-08-29 05:59:47,130 INFO L225 Difference]: With dead ends: 20615
[2021-08-29 05:59:47,130 INFO L226 Difference]: Without dead ends: 10117
[2021-08-29 05:59:47,134 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.78ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:59:47,135 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 6011 mSDsluCounter, 1701 mSDsCounter, 0 mSdLazyCounter, 10304 mSolverCounterSat, 416 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2671.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6011 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 10720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.59ms SdHoareTripleChecker+Time, 416 IncrementalHoareTripleChecker+Valid, 10304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3234.14ms IncrementalHoareTripleChecker+Time
[2021-08-29 05:59:47,136 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [6011 Valid, 0 Invalid, 10720 Unknown, 0 Unchecked, 6.59ms Time], IncrementalHoareTripleChecker [416 Valid, 10304 Invalid, 0 Unknown, 0 Unchecked, 3234.14ms Time]
[2021-08-29 05:59:47,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10117 states.
[2021-08-29 05:59:47,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10117 to 10115.
[2021-08-29 05:59:47,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10115 states, 10114 states have (on average 1.4743919319754795) internal successors, (14912), 10114 states have internal predecessors, (14912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:59:47,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10115 states to 10115 states and 14912 transitions.
[2021-08-29 05:59:47,212 INFO L78 Accepts]: Start accepts. Automaton has 10115 states and 14912 transitions. Word has length 178
[2021-08-29 05:59:47,212 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-08-29 05:59:47,212 INFO L470 AbstractCegarLoop]: Abstraction has 10115 states and 14912 transitions.
[2021-08-29 05:59:47,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:59:47,213 INFO L276 IsEmpty]: Start isEmpty. Operand 10115 states and 14912 transitions.
[2021-08-29 05:59:47,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184
[2021-08-29 05:59:47,215 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:59:47,216 INFO L513 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-08-29 05:59:47,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2021-08-29 05:59:47,216 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:59:47,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:59:47,216 INFO L82 PathProgramCache]: Analyzing trace with hash -73762474, now seen corresponding path program 1 times
[2021-08-29 05:59:47,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:59:47,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229672027]
[2021-08-29 05:59:47,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:59:47,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:59:47,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-08-29 05:59:47,319 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2021-08-29 05:59:47,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-08-29 05:59:47,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229672027]
[2021-08-29 05:59:47,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229672027] provided 1 perfect and 0 imperfect interpolant sequences
[2021-08-29 05:59:47,319 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-08-29 05:59:47,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-08-29 05:59:47,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330334540]
[2021-08-29 05:59:47,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-08-29 05:59:47,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-08-29 05:59:47,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-08-29 05:59:47,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:59:47,320 INFO L87 Difference]: Start difference. First operand 10115 states and 14912 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:59:48,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-08-29 05:59:48,446 INFO L93 Difference]: Finished difference Result 10521 states and 15481 transitions.
[2021-08-29 05:59:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-08-29 05:59:48,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 183
[2021-08-29 05:59:48,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-08-29 05:59:48,448 INFO L225 Difference]: With dead ends: 10521
[2021-08-29 05:59:48,448 INFO L226 Difference]: Without dead ends: 2357
[2021-08-29 05:59:48,451 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.78ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-08-29 05:59:48,452 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 240 mSDsluCounter, 1701 mSDsCounter, 0 mSdLazyCounter, 4152 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 804.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 4178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.25ms SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 4152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 986.64ms IncrementalHoareTripleChecker+Time
[2021-08-29 05:59:48,453 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [240 Valid, 0 Invalid, 4178 Unknown, 0 Unchecked, 2.25ms Time], IncrementalHoareTripleChecker [26 Valid, 4152 Invalid, 0 Unknown, 0 Unchecked, 986.64ms Time]
[2021-08-29 05:59:48,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2357 states.
[2021-08-29 05:59:48,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2357 to 2355.
[2021-08-29 05:59:48,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2355 states, 2354 states have (on average 1.4269328802039083) internal successors, (3359), 2354 states have internal predecessors, (3359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:59:48,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2355 states to 2355 states and 3359 transitions.
[2021-08-29 05:59:48,468 INFO L78 Accepts]: Start accepts. Automaton has 2355 states and 3359 transitions. Word has length 183
[2021-08-29 05:59:48,469 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-08-29 05:59:48,469 INFO L470 AbstractCegarLoop]: Abstraction has 2355 states and 3359 transitions.
[2021-08-29 05:59:48,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-08-29 05:59:48,469 INFO L276 IsEmpty]: Start isEmpty. Operand 2355 states and 3359 transitions.
[2021-08-29 05:59:48,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189
[2021-08-29 05:59:48,471 INFO L505 BasicCegarLoop]: Found error trace
[2021-08-29 05:59:48,482 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2021-08-29 05:59:48,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2021-08-29 05:59:48,483 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-08-29 05:59:48,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-08-29 05:59:48,483 INFO L82 PathProgramCache]: Analyzing trace with hash -621968245, now seen corresponding path program 1 times
[2021-08-29 05:59:48,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-08-29 05:59:48,483 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007278578]
[2021-08-29 05:59:48,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-08-29 05:59:48,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-08-29 05:59:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-08-29 05:59:48,576 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-08-29 05:59:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-08-29 05:59:48,741 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-08-29 05:59:48,741 INFO L627 BasicCegarLoop]: Counterexample is feasible
[2021-08-29 05:59:48,742 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2021-08-29 05:59:48,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2021-08-29 05:59:48,748 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-08-29 05:59:48,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 05:59:48 BoogieIcfgContainer
[2021-08-29 05:59:48,898 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-08-29 05:59:48,898 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-08-29 05:59:48,899 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-08-29 05:59:48,899 INFO L275 PluginConnector]: Witness Printer initialized
[2021-08-29 05:59:48,899 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:55:35" (3/4) ...
[2021-08-29 05:59:48,900 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample
[2021-08-29 05:59:49,023 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2021-08-29 05:59:49,023 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-08-29 05:59:49,023 INFO L158 Benchmark]: Toolchain (without parser) took 260057.65ms. Allocated memory was 81.8MB in the beginning and 7.1GB in the end (delta: 7.0GB). Free memory was 28.4MB in the beginning and 6.2GB in the end (delta: -6.1GB). Peak memory consumption was 851.5MB. Max. memory is 16.1GB.
[2021-08-29 05:59:49,024 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 41.9MB. Free memory was 24.3MB in the beginning and 24.2MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-08-29 05:59:49,024 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1905.46ms. Allocated memory was 81.8MB in the beginning and 719.3MB in the end (delta: 637.5MB). Free memory was 28.2MB in the beginning and 501.5MB in the end (delta: -473.3MB). Peak memory consumption was 185.7MB. Max. memory is 16.1GB.
[2021-08-29 05:59:49,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 611.32ms. Allocated memory is still 719.3MB. Free memory was 501.5MB in the beginning and 464.8MB in the end (delta: 36.7MB). Peak memory consumption was 203.4MB. Max. memory is 16.1GB.
[2021-08-29 05:59:49,024 INFO L158 Benchmark]: Boogie Preprocessor took 764.49ms. Allocated memory is still 719.3MB. Free memory was 464.8MB in the beginning and 375.7MB in the end (delta: 89.1MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB.
[2021-08-29 05:59:49,024 INFO L158 Benchmark]: RCFGBuilder took 3436.62ms. Allocated memory was 719.3MB in the beginning and 4.3GB in the end (delta: 3.6GB). Free memory was 375.7MB in the beginning and 3.7GB in the end (delta: -3.3GB). Peak memory consumption was 515.9MB. Max. memory is 16.1GB.
[2021-08-29 05:59:49,025 INFO L158 Benchmark]: TraceAbstraction took 253209.25ms. Allocated memory was 4.3GB in the beginning and 7.1GB in the end (delta: 2.7GB). Free memory was 3.7GB in the beginning and 6.2GB in the end (delta: -2.5GB). Peak memory consumption was 269.5MB. Max. memory is 16.1GB.
[2021-08-29 05:59:49,025 INFO L158 Benchmark]: Witness Printer took 124.66ms. Allocated memory is still 7.1GB. Free memory was 6.2GB in the beginning and 6.2GB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB.
[2021-08-29 05:59:49,032 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.09ms. Allocated memory is still 41.9MB. Free memory was 24.3MB in the beginning and 24.2MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1905.46ms. Allocated memory was 81.8MB in the beginning and 719.3MB in the end (delta: 637.5MB). Free memory was 28.2MB in the beginning and 501.5MB in the end (delta: -473.3MB). Peak memory consumption was 185.7MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 611.32ms. Allocated memory is still 719.3MB. Free memory was 501.5MB in the beginning and 464.8MB in the end (delta: 36.7MB). Peak memory consumption was 203.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 764.49ms. Allocated memory is still 719.3MB. Free memory was 464.8MB in the beginning and 375.7MB in the end (delta: 89.1MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB.
* RCFGBuilder took 3436.62ms. Allocated memory was 719.3MB in the beginning and 4.3GB in the end (delta: 3.6GB). Free memory was 375.7MB in the beginning and 3.7GB in the end (delta: -3.3GB). Peak memory consumption was 515.9MB. Max. memory is 16.1GB.
* TraceAbstraction took 253209.25ms. Allocated memory was 4.3GB in the beginning and 7.1GB in the end (delta: 2.7GB). Free memory was 3.7GB in the beginning and 6.2GB in the end (delta: -2.5GB). Peak memory consumption was 269.5MB. Max. memory is 16.1GB.
* Witness Printer took 124.66ms. Allocated memory is still 7.1GB. Free memory was 6.2GB in the beginning and 6.2GB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- CounterExampleResult [Line: 49140]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L7] int m_getInetAddress = 1;
[L8] int m_getOOBInline = 2;
[L9] int m_getLocalPort = 3;
[L10] int m_isInputShutdown = 4;
[L11] int m_setTcpNoDelay = 5;
[L12] int m_isConnected = 6;
[L13] int m_getKeepAlive = 7;
[L14] int m_getLocalAddress = 8;
[L15] int m_bind = 9;
[L16] int m_getChannel = 10;
[L17] int m_getSoLinger = 11;
[L18] int m_getImpl = 12;
[L19] int m_getTcpNoDelay = 13;
[L20] int m_getSoTimeout = 14;
[L21] int m_isOutputShutdown = 15;
[L22] int m_postAccept = 16;
[L23] int m_close = 17;
[L24] int m_setOOBInline = 18;
[L25] int m_getLocalSocketAddress = 19;
[L26] int m_getReceiveBufferSize = 20;
[L27] int m_setReuseAddress = 21;
[L28] int m_getTrafficClass = 22;
[L29] int m_getReuseAddress = 23;
[L30] int m_createImpl = 24;
[L31] int m_setCreated = 25;
[L32] int m_setKeepAlive = 26;
[L33] int m_getInputStream = 27;
[L34] int m_shutdownOutput = 28;
[L35] int m_shutdownInput = 29;
[L36] int m_setPerformancePreferences = 30;
[L37] int m_getPort = 31;
[L38] int m_sendUrgentData = 32;
[L39] int m_isClosed = 33;
[L40] int m_isBound = 34;
[L41] int m_setBound = 35;
[L42] int m_getSendBufferSize = 36;
[L43] int m_getOutputStream = 37;
[L44] int m_setConnected = 38;
[L45] int m_Socket = 39;
[L46] int m_getRemoteSocketAddress = 40;
[L47] int m_setReceiveBufferSize_1 = 41;
[L48] int m_setReceiveBufferSize_2 = 42;
[L49] int m_connect2_1 = 43;
[L50] int m_connect2_2 = 44;
[L51] int m_setSoLinger_1 = 45;
[L52] int m_setSoLinger_2 = 46;
[L53] int m_connect1_1 = 47;
[L54] int m_connect1_2 = 48;
[L55] int m_setTrafficClass_1 = 49;
[L56] int m_setTrafficClass_2 = 50;
[L57] int m_setSoTimeout_1 = 51;
[L58] int m_setSoTimeout_2 = 52;
[L59] int m_setSendBufferSize_1 = 53;
[L60] int m_setSendBufferSize_2 = 54;
[L61] int m_setSocketImplFactory_1 = 55;
[L62] int m_setSocketImplFactory_2 = 56;
VAL [m_bind=9, m_close=17, m_connect1_1=47, m_connect1_2=48, m_connect2_1=43, m_connect2_2=44, m_createImpl=24, m_getChannel=10, m_getImpl=12, m_getInetAddress=1, m_getInputStream=27, m_getKeepAlive=7, m_getLocalAddress=8, m_getLocalPort=3, m_getLocalSocketAddress=19, m_getOOBInline=2, m_getOutputStream=37, m_getPort=31, m_getReceiveBufferSize=20, m_getRemoteSocketAddress=40, m_getReuseAddress=23, m_getSendBufferSize=36, m_getSoLinger=11, m_getSoTimeout=14, m_getTcpNoDelay=13, m_getTrafficClass=22, m_isBound=34, m_isClosed=33, m_isConnected=6, m_isInputShutdown=4, m_isOutputShutdown=15, m_postAccept=16, m_sendUrgentData=32, m_setBound=35, m_setConnected=38, m_setCreated=25, m_setKeepAlive=26, m_setOOBInline=18, m_setPerformancePreferences=30, m_setReceiveBufferSize_1=41, m_setReceiveBufferSize_2=42, m_setReuseAddress=21, m_setSendBufferSize_1=53, m_setSendBufferSize_2=54, m_setSocketImplFactory_1=55, m_setSocketImplFactory_2=56, m_setSoLinger_1=45, m_setSoLinger_2=46, m_setSoTimeout_1=51, m_setSoTimeout_2=52, m_setTcpNoDelay=5, m_setTrafficClass_1=49, m_setTrafficClass_2=50, m_shutdownInput=29, m_shutdownOutput=28, m_Socket=39]
[L67] int q = 0;
[L68] int method_id;
[L71] int this_oldImpl = 0;
[L72] int this_factory = 0;
[L73] int this_shutOut = 0;
[L74] int this_created = 0;
[L75] int this_shutIn = 0;
[L76] int this_closed = 0;
[L77] int this_bound = 0;
[L78] int this_impl = 1;
[L79] int this_connected = 0;
VAL [m_bind=9, m_close=17, m_connect1_1=47, m_connect1_2=48, m_connect2_1=43, m_connect2_2=44, m_createImpl=24, m_getChannel=10, m_getImpl=12, m_getInetAddress=1, m_getInputStream=27, m_getKeepAlive=7, m_getLocalAddress=8, m_getLocalPort=3, m_getLocalSocketAddress=19, m_getOOBInline=2, m_getOutputStream=37, m_getPort=31, m_getReceiveBufferSize=20, m_getRemoteSocketAddress=40, m_getReuseAddress=23, m_getSendBufferSize=36, m_getSoLinger=11, m_getSoTimeout=14, m_getTcpNoDelay=13, m_getTrafficClass=22, m_isBound=34, m_isClosed=33, m_isConnected=6, m_isInputShutdown=4, m_isOutputShutdown=15, m_postAccept=16, m_sendUrgentData=32, m_setBound=35, m_setConnected=38, m_setCreated=25, m_setKeepAlive=26, m_setOOBInline=18, m_setPerformancePreferences=30, m_setReceiveBufferSize_1=41, m_setReceiveBufferSize_2=42, m_setReuseAddress=21, m_setSendBufferSize_1=53, m_setSendBufferSize_2=54, m_setSocketImplFactory_1=55, m_setSocketImplFactory_2=56, m_setSoLinger_1=45, m_setSoLinger_2=46, m_setSoTimeout_1=51, m_setSoTimeout_2=52, m_setTcpNoDelay=5, m_setTrafficClass_1=49, m_setTrafficClass_2=50, m_shutdownInput=29, m_shutdownOutput=28, m_Socket=39]
[L82] COND TRUE 1
[L85] _Bool P1=__VERIFIER_nondet_int();
[L86] int P2=__VERIFIER_nondet_int();
[L87] _Bool P3=__VERIFIER_nondet_int();
[L88] _Bool P4=__VERIFIER_nondet_int();
[L89] _Bool P5=__VERIFIER_nondet_int();
[L90] _Bool P6=__VERIFIER_nondet_int();
[L91] int P7=__VERIFIER_nondet_int();
[L92] int P8=__VERIFIER_nondet_int();
[L93] int P9=__VERIFIER_nondet_int();
[L94] int P10=__VERIFIER_nondet_int();
[L95] int P11=__VERIFIER_nondet_int();
[L96] int P12=__VERIFIER_nondet_int();
[L97] int P13=__VERIFIER_nondet_int();
[L98] int P14=__VERIFIER_nondet_int();
[L99] int P15=__VERIFIER_nondet_int();
[L100] int P16=__VERIFIER_nondet_int();
[L101] _Bool P17=__VERIFIER_nondet_int();
[L102] int P18=__VERIFIER_nondet_int();
[L103] _Bool P19=__VERIFIER_nondet_int();
[L104] int P20=__VERIFIER_nondet_int();
[L105] int P21=__VERIFIER_nondet_int();
[L106] int P22=__VERIFIER_nondet_int();
[L107] int P23=__VERIFIER_nondet_int();
[L108] int P24=__VERIFIER_nondet_int();
[L109] int P25=__VERIFIER_nondet_int();
[L110] int P26=__VERIFIER_nondet_int();
[L111] int P27=__VERIFIER_nondet_int();
[L112] int P28=__VERIFIER_nondet_int();
[L113] int P29=__VERIFIER_nondet_int();
[L114] int P30=__VERIFIER_nondet_int();
[L118] COND TRUE q == 0
[L119] COND TRUE __VERIFIER_nondet_int()
[L123] method_id = 39
VAL [m_bind=9, m_close=17, m_connect1_1=47, m_connect1_2=48, m_connect2_1=43, m_connect2_2=44, m_createImpl=24, m_getChannel=10, m_getImpl=12, m_getInetAddress=1, m_getInputStream=27, m_getKeepAlive=7, m_getLocalAddress=8, m_getLocalPort=3, m_getLocalSocketAddress=19, m_getOOBInline=2, m_getOutputStream=37, m_getPort=31, m_getReceiveBufferSize=20, m_getRemoteSocketAddress=40, m_getReuseAddress=23, m_getSendBufferSize=36, m_getSoLinger=11, m_getSoTimeout=14, m_getTcpNoDelay=13, m_getTrafficClass=22, m_isBound=34, m_isClosed=33, m_isConnected=6, m_isInputShutdown=4, m_isOutputShutdown=15, m_postAccept=16, m_sendUrgentData=32, m_setBound=35, m_setConnected=38, m_setCreated=25, m_setKeepAlive=26, m_setOOBInline=18, m_setPerformancePreferences=30, m_setReceiveBufferSize_1=41, m_setReceiveBufferSize_2=42, m_setReuseAddress=21, m_setSendBufferSize_1=53, m_setSendBufferSize_2=54, m_setSocketImplFactory_1=55, m_setSocketImplFactory_2=56, m_setSoLinger_1=45, m_setSoLinger_2=46, m_setSoTimeout_1=51, m_setSoTimeout_2=52, m_setTcpNoDelay=5, m_setTrafficClass_1=49, m_setTrafficClass_2=50, m_shutdownInput=29, m_shutdownOutput=28, m_Socket=39]
[L125] COND FALSE !(0)
[L129] q = 2
[L131] this_factory=0
[L131] this_shutIn=0
[L131] this_connected=0
[L131] this_closed=0
[L131] this_shutOut=0
[L131] this_created=0
[L131] this_impl=1
[L131] this_bound=0
[L131] this_oldImpl=0
VAL [m_bind=9, m_close=17, m_connect1_1=47, m_connect1_2=48, m_connect2_1=43, m_connect2_2=44, m_createImpl=24, m_getChannel=10, m_getImpl=12, m_getInetAddress=1, m_getInputStream=27, m_getKeepAlive=7, m_getLocalAddress=8, m_getLocalPort=3, m_getLocalSocketAddress=19, m_getOOBInline=2, m_getOutputStream=37, m_getPort=31, m_getReceiveBufferSize=20, m_getRemoteSocketAddress=40, m_getReuseAddress=23, m_getSendBufferSize=36, m_getSoLinger=11, m_getSoTimeout=14, m_getTcpNoDelay=13, m_getTrafficClass=22, m_isBound=34, m_isClosed=33, m_isConnected=6, m_isInputShutdown=4, m_isOutputShutdown=15, m_postAccept=16, m_sendUrgentData=32, m_setBound=35, m_setConnected=38, m_setCreated=25, m_setKeepAlive=26, m_setOOBInline=18, m_setPerformancePreferences=30, m_setReceiveBufferSize_1=41, m_setReceiveBufferSize_2=42, m_setReuseAddress=21, m_setSendBufferSize_1=53, m_setSendBufferSize_2=54, m_setSocketImplFactory_1=55, m_setSocketImplFactory_2=56, m_setSoLinger_1=45, m_setSoLinger_2=46, m_setSoTimeout_1=51, m_setSoTimeout_2=52, m_setTcpNoDelay=5, m_setTrafficClass_1=49, m_setTrafficClass_2=50, m_shutdownInput=29, m_shutdownOutput=28, m_Socket=39]
[L82] COND TRUE 1
[L85] _Bool P1=__VERIFIER_nondet_int();
[L86] int P2=__VERIFIER_nondet_int();
[L87] _Bool P3=__VERIFIER_nondet_int();
[L88] _Bool P4=__VERIFIER_nondet_int();
[L89] _Bool P5=__VERIFIER_nondet_int();
[L90] _Bool P6=__VERIFIER_nondet_int();
[L91] int P7=__VERIFIER_nondet_int();
[L92] int P8=__VERIFIER_nondet_int();
[L93] int P9=__VERIFIER_nondet_int();
[L94] int P10=__VERIFIER_nondet_int();
[L95] int P11=__VERIFIER_nondet_int();
[L96] int P12=__VERIFIER_nondet_int();
[L97] int P13=__VERIFIER_nondet_int();
[L98] int P14=__VERIFIER_nondet_int();
[L99] int P15=__VERIFIER_nondet_int();
[L100] int P16=__VERIFIER_nondet_int();
[L101] _Bool P17=__VERIFIER_nondet_int();
[L102] int P18=__VERIFIER_nondet_int();
[L103] _Bool P19=__VERIFIER_nondet_int();
[L104] int P20=__VERIFIER_nondet_int();
[L105] int P21=__VERIFIER_nondet_int();
[L106] int P22=__VERIFIER_nondet_int();
[L107] int P23=__VERIFIER_nondet_int();
[L108] int P24=__VERIFIER_nondet_int();
[L109] int P25=__VERIFIER_nondet_int();
[L110] int P26=__VERIFIER_nondet_int();
[L111] int P27=__VERIFIER_nondet_int();
[L112] int P28=__VERIFIER_nondet_int();
[L113] int P29=__VERIFIER_nondet_int();
[L114] int P30=__VERIFIER_nondet_int();
[L118] COND FALSE !(q == 0)
VAL [m_bind=9, m_close=17, m_connect1_1=47, m_connect1_2=48, m_connect2_1=43, m_connect2_2=44, m_createImpl=24, m_getChannel=10, m_getImpl=12, m_getInetAddress=1, m_getInputStream=27, m_getKeepAlive=7, m_getLocalAddress=8, m_getLocalPort=3, m_getLocalSocketAddress=19, m_getOOBInline=2, m_getOutputStream=37, m_getPort=31, m_getReceiveBufferSize=20, m_getRemoteSocketAddress=40, m_getReuseAddress=23, m_getSendBufferSize=36, m_getSoLinger=11, m_getSoTimeout=14, m_getTcpNoDelay=13, m_getTrafficClass=22, m_isBound=34, m_isClosed=33, m_isConnected=6, m_isInputShutdown=4, m_isOutputShutdown=15, m_postAccept=16, m_sendUrgentData=32, m_setBound=35, m_setConnected=38, m_setCreated=25, m_setKeepAlive=26, m_setOOBInline=18, m_setPerformancePreferences=30, m_setReceiveBufferSize_1=41, m_setReceiveBufferSize_2=42, m_setReuseAddress=21, m_setSendBufferSize_1=53, m_setSendBufferSize_2=54, m_setSocketImplFactory_1=55, m_setSocketImplFactory_2=56, m_setSoLinger_1=45, m_setSoLinger_2=46, m_setSoTimeout_1=51, m_setSoTimeout_2=52, m_setTcpNoDelay=5, m_setTrafficClass_1=49, m_setTrafficClass_2=50, m_shutdownInput=29, m_shutdownOutput=28, m_Socket=39]
[L138] COND FALSE !(q == 1)
VAL [m_bind=9, m_close=17, m_connect1_1=47, m_connect1_2=48, m_connect2_1=43, m_connect2_2=44, m_createImpl=24, m_getChannel=10, m_getImpl=12, m_getInetAddress=1, m_getInputStream=27, m_getKeepAlive=7, m_getLocalAddress=8, m_getLocalPort=3, m_getLocalSocketAddress=19, m_getOOBInline=2, m_getOutputStream=37, m_getPort=31, m_getReceiveBufferSize=20, m_getRemoteSocketAddress=40, m_getReuseAddress=23, m_getSendBufferSize=36, m_getSoLinger=11, m_getSoTimeout=14, m_getTcpNoDelay=13, m_getTrafficClass=22, m_isBound=34, m_isClosed=33, m_isConnected=6, m_isInputShutdown=4, m_isOutputShutdown=15, m_postAccept=16, m_sendUrgentData=32, m_setBound=35, m_setConnected=38, m_setCreated=25, m_setKeepAlive=26, m_setOOBInline=18, m_setPerformancePreferences=30, m_setReceiveBufferSize_1=41, m_setReceiveBufferSize_2=42, m_setReuseAddress=21, m_setSendBufferSize_1=53, m_setSendBufferSize_2=54, m_setSocketImplFactory_1=55, m_setSocketImplFactory_2=56, m_setSoLinger_1=45, m_setSoLinger_2=46, m_setSoTimeout_1=51, m_setSoTimeout_2=52, m_setTcpNoDelay=5, m_setTrafficClass_1=49, m_setTrafficClass_2=50, m_shutdownInput=29, m_shutdownOutput=28, m_Socket=39]
[L750] COND TRUE q == 2
[L751] COND FALSE !(__VERIFIER_nondet_int())
[L767] COND FALSE !(__VERIFIER_nondet_int())
[L783] COND FALSE !(__VERIFIER_nondet_int())
[L799] COND FALSE !(__VERIFIER_nondet_int())
[L815] COND FALSE !(__VERIFIER_nondet_int())
[L831] COND FALSE !(__VERIFIER_nondet_int())
[L847] COND FALSE !(__VERIFIER_nondet_int())
[L863] COND FALSE !(__VERIFIER_nondet_int())
[L879] COND FALSE !(__VERIFIER_nondet_int())
[L895] COND FALSE !(__VERIFIER_nondet_int())
[L911] COND FALSE !(__VERIFIER_nondet_int())
[L927] COND FALSE !(__VERIFIER_nondet_int())
[L943] COND FALSE !(__VERIFIER_nondet_int())
[L959] COND FALSE !(__VERIFIER_nondet_int())
[L975] COND FALSE !(__VERIFIER_nondet_int())
[L991] COND FALSE !(__VERIFIER_nondet_int())
[L1007] COND FALSE !(__VERIFIER_nondet_int())
[L1023] COND FALSE !(__VERIFIER_nondet_int())
[L1039] COND FALSE !(__VERIFIER_nondet_int())
[L1055] COND FALSE !(__VERIFIER_nondet_int())
[L1071] COND FALSE !(__VERIFIER_nondet_int())
[L1087] COND FALSE !(__VERIFIER_nondet_int())
[L1103] COND FALSE !(__VERIFIER_nondet_int())
[L1119] COND FALSE !(__VERIFIER_nondet_int())
[L1135] COND FALSE !(__VERIFIER_nondet_int())
[L1151] COND FALSE !(__VERIFIER_nondet_int())
[L1167] COND FALSE !(__VERIFIER_nondet_int())
[L1183] COND FALSE !(__VERIFIER_nondet_int())
[L1199] COND FALSE !(__VERIFIER_nondet_int())
[L1215] COND FALSE !(__VERIFIER_nondet_int())
[L1231] COND FALSE !(__VERIFIER_nondet_int())
[L1247] COND FALSE !(__VERIFIER_nondet_int())
[L1263] COND FALSE !(__VERIFIER_nondet_int())
[L1279] COND FALSE !(__VERIFIER_nondet_int())
[L1295] COND FALSE !(__VERIFIER_nondet_int())
[L1311] COND FALSE !(__VERIFIER_nondet_int())
[L1327] COND FALSE !(__VERIFIER_nondet_int())
[L1343] COND FALSE !(__VERIFIER_nondet_int())
[L1359] COND FALSE !(__VERIFIER_nondet_int())
[L1375] COND FALSE !(__VERIFIER_nondet_int())
[L1391] COND FALSE !(__VERIFIER_nondet_int())
[L1407] COND FALSE !(__VERIFIER_nondet_int())
[L1423] COND FALSE !(__VERIFIER_nondet_int())
[L1439] COND FALSE !(__VERIFIER_nondet_int())
[L1455] COND FALSE !(__VERIFIER_nondet_int())
[L1471] COND FALSE !(__VERIFIER_nondet_int())
[L1487] COND FALSE !(__VERIFIER_nondet_int())
[L1503] COND FALSE !(__VERIFIER_nondet_int())
[L1519] COND FALSE !(__VERIFIER_nondet_int())
[L1535] COND FALSE !(__VERIFIER_nondet_int())
[L1551] COND FALSE !(__VERIFIER_nondet_int())
[L1567] COND FALSE !(__VERIFIER_nondet_int())
[L1583] COND FALSE !(__VERIFIER_nondet_int())
[L1599] COND FALSE !(__VERIFIER_nondet_int())
[L1615] COND FALSE !(__VERIFIER_nondet_int())
[L1631] COND FALSE !(__VERIFIER_nondet_int())
[L1647] COND FALSE !(__VERIFIER_nondet_int())
[L1663] COND FALSE !(__VERIFIER_nondet_int())
[L1679] COND FALSE !(__VERIFIER_nondet_int())
[L1695] COND FALSE !(__VERIFIER_nondet_int())
[L1711] COND FALSE !(__VERIFIER_nondet_int())
[L1727] COND FALSE !(__VERIFIER_nondet_int())
[L1743] COND FALSE !(__VERIFIER_nondet_int())
[L1759] COND FALSE !(__VERIFIER_nondet_int())
[L1775] COND FALSE !(__VERIFIER_nondet_int())
[L1791] COND FALSE !(__VERIFIER_nondet_int())
[L1807] COND FALSE !(__VERIFIER_nondet_int())
[L1823] COND FALSE !(__VERIFIER_nondet_int())
[L1839] COND FALSE !(__VERIFIER_nondet_int())
[L1855] COND FALSE !(__VERIFIER_nondet_int())
[L1871] COND FALSE !(__VERIFIER_nondet_int())
[L1887] COND FALSE !(__VERIFIER_nondet_int())
[L1903] COND FALSE !(__VERIFIER_nondet_int())
[L1919] COND FALSE !(__VERIFIER_nondet_int())
[L1935] COND FALSE !(__VERIFIER_nondet_int())
[L1951] COND FALSE !(__VERIFIER_nondet_int())
[L1967] COND FALSE !(__VERIFIER_nondet_int())
[L1983] COND FALSE !(__VERIFIER_nondet_int())
[L1999] COND FALSE !(__VERIFIER_nondet_int())
[L2015] COND FALSE !(__VERIFIER_nondet_int())
[L2031] COND FALSE !(__VERIFIER_nondet_int())
[L2047] COND FALSE !(__VERIFIER_nondet_int())
[L2063] COND FALSE !(__VERIFIER_nondet_int())
[L2079] COND TRUE __VERIFIER_nondet_int()
[L2081] COND TRUE !(P1 != 0)
[L2083] method_id = 56
VAL [m_bind=9, m_close=17, m_connect1_1=47, m_connect1_2=48, m_connect2_1=43, m_connect2_2=44, m_createImpl=24, m_getChannel=10, m_getImpl=12, m_getInetAddress=1, m_getInputStream=27, m_getKeepAlive=7, m_getLocalAddress=8, m_getLocalPort=3, m_getLocalSocketAddress=19, m_getOOBInline=2, m_getOutputStream=37, m_getPort=31, m_getReceiveBufferSize=20, m_getRemoteSocketAddress=40, m_getReuseAddress=23, m_getSendBufferSize=36, m_getSoLinger=11, m_getSoTimeout=14, m_getTcpNoDelay=13, m_getTrafficClass=22, m_isBound=34, m_isClosed=33, m_isConnected=6, m_isInputShutdown=4, m_isOutputShutdown=15, m_postAccept=16, m_sendUrgentData=32, m_setBound=35, m_setConnected=38, m_setCreated=25, m_setKeepAlive=26, m_setOOBInline=18, m_setPerformancePreferences=30, m_setReceiveBufferSize_1=41, m_setReceiveBufferSize_2=42, m_setReuseAddress=21, m_setSendBufferSize_1=53, m_setSendBufferSize_2=54, m_setSocketImplFactory_1=55, m_setSocketImplFactory_2=56, m_setSoLinger_1=45, m_setSoLinger_2=46, m_setSoTimeout_1=51, m_setSoTimeout_2=52, m_setTcpNoDelay=5, m_setTrafficClass_1=49, m_setTrafficClass_2=50, m_shutdownInput=29, m_shutdownOutput=28, m_Socket=39]
[L2085] COND FALSE !(((this_factory != 0) && !(P30 != 0)))
[L2089] q = 2
[L2091] this_factory=P30
[L2091] this_shutIn=this_shutIn
[L2091] this_connected=this_connected
[L2091] this_closed=this_closed
[L2091] this_shutOut=this_shutOut
[L2091] this_created=this_created
[L2091] this_impl=this_impl
[L2091] this_bound=this_bound
[L2091] this_oldImpl=this_oldImpl
VAL [m_bind=9, m_close=17, m_connect1_1=47, m_connect1_2=48, m_connect2_1=43, m_connect2_2=44, m_createImpl=24, m_getChannel=10, m_getImpl=12, m_getInetAddress=1, m_getInputStream=27, m_getKeepAlive=7, m_getLocalAddress=8, m_getLocalPort=3, m_getLocalSocketAddress=19, m_getOOBInline=2, m_getOutputStream=37, m_getPort=31, m_getReceiveBufferSize=20, m_getRemoteSocketAddress=40, m_getReuseAddress=23, m_getSendBufferSize=36, m_getSoLinger=11, m_getSoTimeout=14, m_getTcpNoDelay=13, m_getTrafficClass=22, m_isBound=34, m_isClosed=33, m_isConnected=6, m_isInputShutdown=4, m_isOutputShutdown=15, m_postAccept=16, m_sendUrgentData=32, m_setBound=35, m_setConnected=38, m_setCreated=25, m_setKeepAlive=26, m_setOOBInline=18, m_setPerformancePreferences=30, m_setReceiveBufferSize_1=41, m_setReceiveBufferSize_2=42, m_setReuseAddress=21, m_setSendBufferSize_1=53, m_setSendBufferSize_2=54, m_setSocketImplFactory_1=55, m_setSocketImplFactory_2=56, m_setSoLinger_1=45, m_setSoLinger_2=46, m_setSoTimeout_1=51, m_setSoTimeout_2=52, m_setTcpNoDelay=5, m_setTrafficClass_1=49, m_setTrafficClass_2=50, m_shutdownInput=29, m_shutdownOutput=28, m_Socket=39]
[L82] COND TRUE 1
[L85] _Bool P1=__VERIFIER_nondet_int();
[L86] int P2=__VERIFIER_nondet_int();
[L87] _Bool P3=__VERIFIER_nondet_int();
[L88] _Bool P4=__VERIFIER_nondet_int();
[L89] _Bool P5=__VERIFIER_nondet_int();
[L90] _Bool P6=__VERIFIER_nondet_int();
[L91] int P7=__VERIFIER_nondet_int();
[L92] int P8=__VERIFIER_nondet_int();
[L93] int P9=__VERIFIER_nondet_int();
[L94] int P10=__VERIFIER_nondet_int();
[L95] int P11=__VERIFIER_nondet_int();
[L96] int P12=__VERIFIER_nondet_int();
[L97] int P13=__VERIFIER_nondet_int();
[L98] int P14=__VERIFIER_nondet_int();
[L99] int P15=__VERIFIER_nondet_int();
[L100] int P16=__VERIFIER_nondet_int();
[L101] _Bool P17=__VERIFIER_nondet_int();
[L102] int P18=__VERIFIER_nondet_int();
[L103] _Bool P19=__VERIFIER_nondet_int();
[L104] int P20=__VERIFIER_nondet_int();
[L105] int P21=__VERIFIER_nondet_int();
[L106] int P22=__VERIFIER_nondet_int();
[L107] int P23=__VERIFIER_nondet_int();
[L108] int P24=__VERIFIER_nondet_int();
[L109] int P25=__VERIFIER_nondet_int();
[L110] int P26=__VERIFIER_nondet_int();
[L111] int P27=__VERIFIER_nondet_int();
[L112] int P28=__VERIFIER_nondet_int();
[L113] int P29=__VERIFIER_nondet_int();
[L114] int P30=__VERIFIER_nondet_int();
[L118] COND FALSE !(q == 0)
VAL [m_bind=9, m_close=17, m_connect1_1=47, m_connect1_2=48, m_connect2_1=43, m_connect2_2=44, m_createImpl=24, m_getChannel=10, m_getImpl=12, m_getInetAddress=1, m_getInputStream=27, m_getKeepAlive=7, m_getLocalAddress=8, m_getLocalPort=3, m_getLocalSocketAddress=19, m_getOOBInline=2, m_getOutputStream=37, m_getPort=31, m_getReceiveBufferSize=20, m_getRemoteSocketAddress=40, m_getReuseAddress=23, m_getSendBufferSize=36, m_getSoLinger=11, m_getSoTimeout=14, m_getTcpNoDelay=13, m_getTrafficClass=22, m_isBound=34, m_isClosed=33, m_isConnected=6, m_isInputShutdown=4, m_isOutputShutdown=15, m_postAccept=16, m_sendUrgentData=32, m_setBound=35, m_setConnected=38, m_setCreated=25, m_setKeepAlive=26, m_setOOBInline=18, m_setPerformancePreferences=30, m_setReceiveBufferSize_1=41, m_setReceiveBufferSize_2=42, m_setReuseAddress=21, m_setSendBufferSize_1=53, m_setSendBufferSize_2=54, m_setSocketImplFactory_1=55, m_setSocketImplFactory_2=56, m_setSoLinger_1=45, m_setSoLinger_2=46, m_setSoTimeout_1=51, m_setSoTimeout_2=52, m_setTcpNoDelay=5, m_setTrafficClass_1=49, m_setTrafficClass_2=50, m_shutdownInput=29, m_shutdownOutput=28, m_Socket=39]
[L138] COND FALSE !(q == 1)
VAL [m_bind=9, m_close=17, m_connect1_1=47, m_connect1_2=48, m_connect2_1=43, m_connect2_2=44, m_createImpl=24, m_getChannel=10, m_getImpl=12, m_getInetAddress=1, m_getInputStream=27, m_getKeepAlive=7, m_getLocalAddress=8, m_getLocalPort=3, m_getLocalSocketAddress=19, m_getOOBInline=2, m_getOutputStream=37, m_getPort=31, m_getReceiveBufferSize=20, m_getRemoteSocketAddress=40, m_getReuseAddress=23, m_getSendBufferSize=36, m_getSoLinger=11, m_getSoTimeout=14, m_getTcpNoDelay=13, m_getTrafficClass=22, m_isBound=34, m_isClosed=33, m_isConnected=6, m_isInputShutdown=4, m_isOutputShutdown=15, m_postAccept=16, m_sendUrgentData=32, m_setBound=35, m_setConnected=38, m_setCreated=25, m_setKeepAlive=26, m_setOOBInline=18, m_setPerformancePreferences=30, m_setReceiveBufferSize_1=41, m_setReceiveBufferSize_2=42, m_setReuseAddress=21, m_setSendBufferSize_1=53, m_setSendBufferSize_2=54, m_setSocketImplFactory_1=55, m_setSocketImplFactory_2=56, m_setSoLinger_1=45, m_setSoLinger_2=46, m_setSoTimeout_1=51, m_setSoTimeout_2=52, m_setTcpNoDelay=5, m_setTrafficClass_1=49, m_setTrafficClass_2=50, m_shutdownInput=29, m_shutdownOutput=28, m_Socket=39]
[L750] COND TRUE q == 2
[L751] COND FALSE !(__VERIFIER_nondet_int())
[L767] COND FALSE !(__VERIFIER_nondet_int())
[L783] COND FALSE !(__VERIFIER_nondet_int())
[L799] COND FALSE !(__VERIFIER_nondet_int())
[L815] COND FALSE !(__VERIFIER_nondet_int())
[L831] COND FALSE !(__VERIFIER_nondet_int())
[L847] COND FALSE !(__VERIFIER_nondet_int())
[L863] COND FALSE !(__VERIFIER_nondet_int())
[L879] COND FALSE !(__VERIFIER_nondet_int())
[L895] COND FALSE !(__VERIFIER_nondet_int())
[L911] COND FALSE !(__VERIFIER_nondet_int())
[L927] COND FALSE !(__VERIFIER_nondet_int())
[L943] COND FALSE !(__VERIFIER_nondet_int())
[L959] COND FALSE !(__VERIFIER_nondet_int())
[L975] COND FALSE !(__VERIFIER_nondet_int())
[L991] COND FALSE !(__VERIFIER_nondet_int())
[L1007] COND FALSE !(__VERIFIER_nondet_int())
[L1023] COND FALSE !(__VERIFIER_nondet_int())
[L1039] COND FALSE !(__VERIFIER_nondet_int())
[L1055] COND FALSE !(__VERIFIER_nondet_int())
[L1071] COND FALSE !(__VERIFIER_nondet_int())
[L1087] COND FALSE !(__VERIFIER_nondet_int())
[L1103] COND FALSE !(__VERIFIER_nondet_int())
[L1119] COND FALSE !(__VERIFIER_nondet_int())
[L1135] COND FALSE !(__VERIFIER_nondet_int())
[L1151] COND FALSE !(__VERIFIER_nondet_int())
[L1167] COND FALSE !(__VERIFIER_nondet_int())
[L1183] COND FALSE !(__VERIFIER_nondet_int())
[L1199] COND FALSE !(__VERIFIER_nondet_int())
[L1215] COND FALSE !(__VERIFIER_nondet_int())
[L1231] COND FALSE !(__VERIFIER_nondet_int())
[L1247] COND FALSE !(__VERIFIER_nondet_int())
[L1263] COND FALSE !(__VERIFIER_nondet_int())
[L1279] COND FALSE !(__VERIFIER_nondet_int())
[L1295] COND FALSE !(__VERIFIER_nondet_int())
[L1311] COND FALSE !(__VERIFIER_nondet_int())
[L1327] COND FALSE !(__VERIFIER_nondet_int())
[L1343] COND FALSE !(__VERIFIER_nondet_int())
[L1359] COND FALSE !(__VERIFIER_nondet_int())
[L1375] COND FALSE !(__VERIFIER_nondet_int())
[L1391] COND FALSE !(__VERIFIER_nondet_int())
[L1407] COND FALSE !(__VERIFIER_nondet_int())
[L1423] COND FALSE !(__VERIFIER_nondet_int())
[L1439] COND FALSE !(__VERIFIER_nondet_int())
[L1455] COND FALSE !(__VERIFIER_nondet_int())
[L1471] COND FALSE !(__VERIFIER_nondet_int())
[L1487] COND FALSE !(__VERIFIER_nondet_int())
[L1503] COND FALSE !(__VERIFIER_nondet_int())
[L1519] COND FALSE !(__VERIFIER_nondet_int())
[L1535] COND FALSE !(__VERIFIER_nondet_int())
[L1551] COND FALSE !(__VERIFIER_nondet_int())
[L1567] COND FALSE !(__VERIFIER_nondet_int())
[L1583] COND FALSE !(__VERIFIER_nondet_int())
[L1599] COND FALSE !(__VERIFIER_nondet_int())
[L1615] COND FALSE !(__VERIFIER_nondet_int())
[L1631] COND FALSE !(__VERIFIER_nondet_int())
[L1647] COND FALSE !(__VERIFIER_nondet_int())
[L1663] COND FALSE !(__VERIFIER_nondet_int())
[L1679] COND FALSE !(__VERIFIER_nondet_int())
[L1695] COND FALSE !(__VERIFIER_nondet_int())
[L1711] COND FALSE !(__VERIFIER_nondet_int())
[L1727] COND FALSE !(__VERIFIER_nondet_int())
[L1743] COND FALSE !(__VERIFIER_nondet_int())
[L1759] COND FALSE !(__VERIFIER_nondet_int())
[L1775] COND FALSE !(__VERIFIER_nondet_int())
[L1791] COND FALSE !(__VERIFIER_nondet_int())
[L1807] COND FALSE !(__VERIFIER_nondet_int())
[L1823] COND FALSE !(__VERIFIER_nondet_int())
[L1839] COND FALSE !(__VERIFIER_nondet_int())
[L1855] COND FALSE !(__VERIFIER_nondet_int())
[L1871] COND FALSE !(__VERIFIER_nondet_int())
[L1887] COND FALSE !(__VERIFIER_nondet_int())
[L1903] COND FALSE !(__VERIFIER_nondet_int())
[L1919] COND FALSE !(__VERIFIER_nondet_int())
[L1935] COND FALSE !(__VERIFIER_nondet_int())
[L1951] COND FALSE !(__VERIFIER_nondet_int())
[L1967] COND FALSE !(__VERIFIER_nondet_int())
[L1983] COND FALSE !(__VERIFIER_nondet_int())
[L1999] COND FALSE !(__VERIFIER_nondet_int())
[L2015] COND FALSE !(__VERIFIER_nondet_int())
[L2031] COND FALSE !(__VERIFIER_nondet_int())
[L2047] COND FALSE !(__VERIFIER_nondet_int())
[L2063] COND TRUE __VERIFIER_nondet_int()
[L2065] COND TRUE (P1 != 0)
[L2067] method_id = 55
VAL [m_bind=9, m_close=17, m_connect1_1=47, m_connect1_2=48, m_connect2_1=43, m_connect2_2=44, m_createImpl=24, m_getChannel=10, m_getImpl=12, m_getInetAddress=1, m_getInputStream=27, m_getKeepAlive=7, m_getLocalAddress=8, m_getLocalPort=3, m_getLocalSocketAddress=19, m_getOOBInline=2, m_getOutputStream=37, m_getPort=31, m_getReceiveBufferSize=20, m_getRemoteSocketAddress=40, m_getReuseAddress=23, m_getSendBufferSize=36, m_getSoLinger=11, m_getSoTimeout=14, m_getTcpNoDelay=13, m_getTrafficClass=22, m_isBound=34, m_isClosed=33, m_isConnected=6, m_isInputShutdown=4, m_isOutputShutdown=15, m_postAccept=16, m_sendUrgentData=32, m_setBound=35, m_setConnected=38, m_setCreated=25, m_setKeepAlive=26, m_setOOBInline=18, m_setPerformancePreferences=30, m_setReceiveBufferSize_1=41, m_setReceiveBufferSize_2=42, m_setReuseAddress=21, m_setSendBufferSize_1=53, m_setSendBufferSize_2=54, m_setSocketImplFactory_1=55, m_setSocketImplFactory_2=56, m_setSoLinger_1=45, m_setSoLinger_2=46, m_setSoTimeout_1=51, m_setSoTimeout_2=52, m_setTcpNoDelay=5, m_setTrafficClass_1=49, m_setTrafficClass_2=50, m_shutdownInput=29, m_shutdownOutput=28, m_Socket=39]
[L2069] COND TRUE ((this_factory != 0) && (P29 != 0))
VAL [m_bind=9, m_close=17, m_connect1_1=47, m_connect1_2=48, m_connect2_1=43, m_connect2_2=44, m_createImpl=24, m_getChannel=10, m_getImpl=12, m_getInetAddress=1, m_getInputStream=27, m_getKeepAlive=7, m_getLocalAddress=8, m_getLocalPort=3, m_getLocalSocketAddress=19, m_getOOBInline=2, m_getOutputStream=37, m_getPort=31, m_getReceiveBufferSize=20, m_getRemoteSocketAddress=40, m_getReuseAddress=23, m_getSendBufferSize=36, m_getSoLinger=11, m_getSoTimeout=14, m_getTcpNoDelay=13, m_getTrafficClass=22, m_isBound=34, m_isClosed=33, m_isConnected=6, m_isInputShutdown=4, m_isOutputShutdown=15, m_postAccept=16, m_sendUrgentData=32, m_setBound=35, m_setConnected=38, m_setCreated=25, m_setKeepAlive=26, m_setOOBInline=18, m_setPerformancePreferences=30, m_setReceiveBufferSize_1=41, m_setReceiveBufferSize_2=42, m_setReuseAddress=21, m_setSendBufferSize_1=53, m_setSendBufferSize_2=54, m_setSocketImplFactory_1=55, m_setSocketImplFactory_2=56, m_setSoLinger_1=45, m_setSoLinger_2=46, m_setSoTimeout_1=51, m_setSoTimeout_2=52, m_setTcpNoDelay=5, m_setTrafficClass_1=49, m_setTrafficClass_2=50, m_shutdownInput=29, m_shutdownOutput=28, m_Socket=39]
[L49140] reach_error()
VAL [m_bind=9, m_close=17, m_connect1_1=47, m_connect1_2=48, m_connect2_1=43, m_connect2_2=44, m_createImpl=24, m_getChannel=10, m_getImpl=12, m_getInetAddress=1, m_getInputStream=27, m_getKeepAlive=7, m_getLocalAddress=8, m_getLocalPort=3, m_getLocalSocketAddress=19, m_getOOBInline=2, m_getOutputStream=37, m_getPort=31, m_getReceiveBufferSize=20, m_getRemoteSocketAddress=40, m_getReuseAddress=23, m_getSendBufferSize=36, m_getSoLinger=11, m_getSoTimeout=14, m_getTcpNoDelay=13, m_getTrafficClass=22, m_isBound=34, m_isClosed=33, m_isConnected=6, m_isInputShutdown=4, m_isOutputShutdown=15, m_postAccept=16, m_sendUrgentData=32, m_setBound=35, m_setConnected=38, m_setCreated=25, m_setKeepAlive=26, m_setOOBInline=18, m_setPerformancePreferences=30, m_setReceiveBufferSize_1=41, m_setReceiveBufferSize_2=42, m_setReuseAddress=21, m_setSendBufferSize_1=53, m_setSendBufferSize_2=54, m_setSocketImplFactory_1=55, m_setSocketImplFactory_2=56, m_setSoLinger_1=45, m_setSoLinger_2=46, m_setSoTimeout_1=51, m_setSoTimeout_2=52, m_setTcpNoDelay=5, m_setTrafficClass_1=49, m_setTrafficClass_2=50, m_shutdownInput=29, m_shutdownOutput=28, m_Socket=39]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 9211 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 253008.92ms, OverallIterations: 28, TraceHistogramMax: 4, EmptinessCheckTime: 113.16ms, AutomataDifference: 238695.89ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 74.89ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 209697 SdHoareTripleChecker+Valid, 227306.06ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 209697 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 181578.96ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 193692 mSDsCounter, 21811 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 559329 IncrementalHoareTripleChecker+Invalid, 581140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21811 mSolverCounterUnsat, 0 mSDtfsCounter, 559329 mSolverCounterSat, 620.03ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 50.50ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=64384occurred in iteration=10, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 11374.14ms AutomataMinimizationTime, 27 MinimizatonAttempts, 16246 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 436.00ms SsaConstructionTime, 812.53ms SatisfiabilityAnalysisTime, 979.00ms InterpolantComputationTime, 2220 NumberOfCodeBlocks, 2220 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 2005 ConstructedInterpolants, 0 QuantifiedInterpolants, 5604 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 219/219 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!
[2021-08-29 05:59:49,065 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...