./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl-simplified/s3_clnt_2.cil-2.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 63182f13
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/openssl-simplified/s3_clnt_2.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y --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 e8a8eb6c750c607e2f549ecc5582c4aebf9571fc15330f2a7e0973b7c96cc082
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:49:54,933 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:49:54,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:49:54,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:49:54,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:49:54,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:49:54,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:49:54,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:49:55,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:49:55,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:49:55,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:49:55,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:49:55,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:49:55,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:49:55,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:49:55,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:49:55,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:49:55,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:49:55,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:49:55,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:49:55,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:49:55,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:49:55,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:49:55,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:49:55,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:49:55,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:49:55,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:49:55,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:49:55,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:49:55,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:49:55,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:49:55,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:49:55,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:49:55,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:49:55,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:49:55,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:49:55,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:49:55,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:49:55,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:49:55,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:49:55,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:49:55,065 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-11-13 18:49:55,101 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:49:55,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:49:55,102 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:49:55,102 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:49:55,102 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 18:49:55,103 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 18:49:55,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:49:55,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:49:55,104 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:49:55,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:49:55,104 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 18:49:55,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 18:49:55,104 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 18:49:55,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:49:55,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 18:49:55,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 18:49:55,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 18:49:55,105 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 18:49:55,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 18:49:55,106 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:49:55,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-13 18:49:55,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:49:55,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:49:55,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 18:49:55,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:49:55,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:49:55,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 18:49:55,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 18:49:55,107 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 18:49:55,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 18:49:55,108 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-13 18:49:55,108 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 18:49:55,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 18:49:55,108 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:49:55,109 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8a8eb6c750c607e2f549ecc5582c4aebf9571fc15330f2a7e0973b7c96cc082
[2021-11-13 18:49:55,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:49:55,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:49:55,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:49:55,412 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:49:55,412 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:49:55,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/openssl-simplified/s3_clnt_2.cil-2.c
[2021-11-13 18:49:55,473 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/data/d429c1ac4/49eda0a8ad58491fb1f6e85787bc4459/FLAG580a6d27e
[2021-11-13 18:49:55,954 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:49:55,955 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/sv-benchmarks/c/openssl-simplified/s3_clnt_2.cil-2.c
[2021-11-13 18:49:55,965 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/data/d429c1ac4/49eda0a8ad58491fb1f6e85787bc4459/FLAG580a6d27e
[2021-11-13 18:49:56,285 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/data/d429c1ac4/49eda0a8ad58491fb1f6e85787bc4459
[2021-11-13 18:49:56,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:49:56,290 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:49:56,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:49:56,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:49:56,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:49:56,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:49:56" (1/1) ...
[2021-11-13 18:49:56,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e8e5952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:56, skipping insertion in model container
[2021-11-13 18:49:56,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:49:56" (1/1) ...
[2021-11-13 18:49:56,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:49:56,341 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:49:56,621 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/sv-benchmarks/c/openssl-simplified/s3_clnt_2.cil-2.c[35827,35840]
[2021-11-13 18:49:56,635 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:49:56,650 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:49:56,693 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/sv-benchmarks/c/openssl-simplified/s3_clnt_2.cil-2.c[35827,35840]
[2021-11-13 18:49:56,696 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:49:56,708 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:49:56,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:56 WrapperNode
[2021-11-13 18:49:56,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:49:56,710 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:49:56,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:49:56,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:49:56,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:56" (1/1) ...
[2021-11-13 18:49:56,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:56" (1/1) ...
[2021-11-13 18:49:56,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:49:56,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:49:56,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:49:56,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:49:56,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:56" (1/1) ...
[2021-11-13 18:49:56,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:56" (1/1) ...
[2021-11-13 18:49:56,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:56" (1/1) ...
[2021-11-13 18:49:56,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:56" (1/1) ...
[2021-11-13 18:49:56,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:56" (1/1) ...
[2021-11-13 18:49:56,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:56" (1/1) ...
[2021-11-13 18:49:56,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:56" (1/1) ...
[2021-11-13 18:49:56,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:49:56,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:49:56,866 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:49:56,866 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:49:56,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:56" (1/1) ...
[2021-11-13 18:49:56,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:49:56,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:49:56,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 18:49:56,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:49:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 18:49:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:49:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:49:56,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:49:57,070 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-11-13 18:49:57,574 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false;
[2021-11-13 18:49:57,574 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false;
[2021-11-13 18:49:57,583 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:49:57,584 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2021-11-13 18:49:57,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:49:57 BoogieIcfgContainer
[2021-11-13 18:49:57,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:49:57,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 18:49:57,589 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 18:49:57,592 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 18:49:57,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:49:56" (1/3) ...
[2021-11-13 18:49:57,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11a313c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:49:57, skipping insertion in model container
[2021-11-13 18:49:57,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:56" (2/3) ...
[2021-11-13 18:49:57,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11a313c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:49:57, skipping insertion in model container
[2021-11-13 18:49:57,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:49:57" (3/3) ...
[2021-11-13 18:49:57,596 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.cil-2.c
[2021-11-13 18:49:57,601 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 18:49:57,602 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-13 18:49:57,649 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 18:49:57,656 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, mAutomataTypeConcurrency=PETRI_NET, 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
[2021-11-13 18:49:57,656 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-13 18:49:57,676 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 126 states have (on average 1.7142857142857142) internal successors, (216), 127 states have internal predecessors, (216), 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)
[2021-11-13 18:49:57,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2021-11-13 18:49:57,684 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:49:57,684 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:49:57,685 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:49:57,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:49:57,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1457695038, now seen corresponding path program 1 times
[2021-11-13 18:49:57,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:49:57,701 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053907493]
[2021-11-13 18:49:57,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:49:57,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:49:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:49:57,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:49:57,975 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:49:57,976 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053907493]
[2021-11-13 18:49:57,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053907493] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:49:57,977 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:49:57,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:49:57,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187016982]
[2021-11-13 18:49:57,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:49:57,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:49:57,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:49:58,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:49:58,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:49:58,017 INFO L87 Difference]: Start difference. First operand has 128 states, 126 states have (on average 1.7142857142857142) internal successors, (216), 127 states have internal predecessors, (216), 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 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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)
[2021-11-13 18:49:58,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:49:58,221 INFO L93 Difference]: Finished difference Result 252 states and 427 transitions.
[2021-11-13 18:49:58,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:49:58,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 24
[2021-11-13 18:49:58,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:49:58,234 INFO L225 Difference]: With dead ends: 252
[2021-11-13 18:49:58,234 INFO L226 Difference]: Without dead ends: 115
[2021-11-13 18:49:58,236 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:49:58,241 INFO L933 BasicCegarLoop]: 211 mSDtfsCounter, 7 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 108.17ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.78ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 152.24ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:49:58,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 325 Invalid, 91 Unknown, 0 Unchecked, 5.78ms Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 152.24ms Time]
[2021-11-13 18:49:58,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states.
[2021-11-13 18:49:58,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115.
[2021-11-13 18:49:58,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.5087719298245614) internal successors, (172), 114 states have internal predecessors, (172), 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)
[2021-11-13 18:49:58,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 172 transitions.
[2021-11-13 18:49:58,286 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 172 transitions. Word has length 24
[2021-11-13 18:49:58,286 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:49:58,287 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 172 transitions.
[2021-11-13 18:49:58,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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)
[2021-11-13 18:49:58,287 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 172 transitions.
[2021-11-13 18:49:58,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2021-11-13 18:49:58,289 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:49:58,289 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:49:58,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-13 18:49:58,290 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:49:58,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:49:58,291 INFO L85 PathProgramCache]: Analyzing trace with hash 561717339, now seen corresponding path program 1 times
[2021-11-13 18:49:58,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:49:58,291 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932440626]
[2021-11-13 18:49:58,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:49:58,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:49:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:49:58,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:49:58,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:49:58,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932440626]
[2021-11-13 18:49:58,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932440626] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:49:58,368 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:49:58,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:49:58,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081116933]
[2021-11-13 18:49:58,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:49:58,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:49:58,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:49:58,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:49:58,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:49:58,371 INFO L87 Difference]: Start difference. First operand 115 states and 172 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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)
[2021-11-13 18:49:58,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:49:58,504 INFO L93 Difference]: Finished difference Result 239 states and 362 transitions.
[2021-11-13 18:49:58,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:49:58,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 37
[2021-11-13 18:49:58,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:49:58,512 INFO L225 Difference]: With dead ends: 239
[2021-11-13 18:49:58,512 INFO L226 Difference]: Without dead ends: 134
[2021-11-13 18:49:58,518 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:49:58,520 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 15 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.47ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 105.48ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:49:58,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 244 Invalid, 101 Unknown, 0 Unchecked, 2.47ms Time], IncrementalHoareTripleChecker [7 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 105.48ms Time]
[2021-11-13 18:49:58,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states.
[2021-11-13 18:49:58,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 130.
[2021-11-13 18:49:58,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 129 states have (on average 1.4883720930232558) internal successors, (192), 129 states have internal predecessors, (192), 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)
[2021-11-13 18:49:58,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 192 transitions.
[2021-11-13 18:49:58,547 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 192 transitions. Word has length 37
[2021-11-13 18:49:58,548 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:49:58,549 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 192 transitions.
[2021-11-13 18:49:58,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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)
[2021-11-13 18:49:58,551 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 192 transitions.
[2021-11-13 18:49:58,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2021-11-13 18:49:58,556 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:49:58,557 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:49:58,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-13 18:49:58,559 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:49:58,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:49:58,561 INFO L85 PathProgramCache]: Analyzing trace with hash 684962052, now seen corresponding path program 1 times
[2021-11-13 18:49:58,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:49:58,563 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418780676]
[2021-11-13 18:49:58,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:49:58,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:49:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:49:58,697 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2021-11-13 18:49:58,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:49:58,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418780676]
[2021-11-13 18:49:58,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418780676] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:49:58,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:49:58,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:49:58,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865537993]
[2021-11-13 18:49:58,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:49:58,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:49:58,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:49:58,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:49:58,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:49:58,706 INFO L87 Difference]: Start difference. First operand 130 states and 192 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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)
[2021-11-13 18:49:58,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:49:58,840 INFO L93 Difference]: Finished difference Result 271 states and 406 transitions.
[2021-11-13 18:49:58,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:49:58,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 51
[2021-11-13 18:49:58,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:49:58,842 INFO L225 Difference]: With dead ends: 271
[2021-11-13 18:49:58,842 INFO L226 Difference]: Without dead ends: 151
[2021-11-13 18:49:58,846 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:49:58,855 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 15 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 85.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.05ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 114.56ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:49:58,855 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 257 Invalid, 105 Unknown, 0 Unchecked, 2.05ms Time], IncrementalHoareTripleChecker [9 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 114.56ms Time]
[2021-11-13 18:49:58,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states.
[2021-11-13 18:49:58,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 147.
[2021-11-13 18:49:58,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 146 states have (on average 1.4657534246575343) internal successors, (214), 146 states have internal predecessors, (214), 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)
[2021-11-13 18:49:58,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 214 transitions.
[2021-11-13 18:49:58,872 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 214 transitions. Word has length 51
[2021-11-13 18:49:58,873 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:49:58,873 INFO L470 AbstractCegarLoop]: Abstraction has 147 states and 214 transitions.
[2021-11-13 18:49:58,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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)
[2021-11-13 18:49:58,874 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 214 transitions.
[2021-11-13 18:49:58,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2021-11-13 18:49:58,880 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:49:58,880 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:49:58,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-11-13 18:49:58,881 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:49:58,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:49:58,882 INFO L85 PathProgramCache]: Analyzing trace with hash -184561774, now seen corresponding path program 1 times
[2021-11-13 18:49:58,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:49:58,883 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059264201]
[2021-11-13 18:49:58,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:49:58,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:49:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:49:59,002 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2021-11-13 18:49:59,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:49:59,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059264201]
[2021-11-13 18:49:59,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059264201] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:49:59,003 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:49:59,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:49:59,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398582454]
[2021-11-13 18:49:59,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:49:59,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:49:59,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:49:59,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:49:59,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:49:59,005 INFO L87 Difference]: Start difference. First operand 147 states and 214 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)
[2021-11-13 18:49:59,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:49:59,211 INFO L93 Difference]: Finished difference Result 335 states and 503 transitions.
[2021-11-13 18:49:59,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:49:59,211 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 68
[2021-11-13 18:49:59,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:49:59,214 INFO L225 Difference]: With dead ends: 335
[2021-11-13 18:49:59,222 INFO L226 Difference]: Without dead ends: 197
[2021-11-13 18:49:59,223 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:49:59,224 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 53 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 154.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.13ms SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 188.50ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:49:59,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 231 Invalid, 153 Unknown, 0 Unchecked, 2.13ms Time], IncrementalHoareTripleChecker [33 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 188.50ms Time]
[2021-11-13 18:49:59,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states.
[2021-11-13 18:49:59,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 188.
[2021-11-13 18:49:59,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 187 states have (on average 1.411764705882353) internal successors, (264), 187 states have internal predecessors, (264), 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)
[2021-11-13 18:49:59,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 264 transitions.
[2021-11-13 18:49:59,246 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 264 transitions. Word has length 68
[2021-11-13 18:49:59,247 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:49:59,247 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 264 transitions.
[2021-11-13 18:49:59,247 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)
[2021-11-13 18:49:59,247 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 264 transitions.
[2021-11-13 18:49:59,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2021-11-13 18:49:59,248 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:49:59,249 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:49:59,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-11-13 18:49:59,249 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:49:59,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:49:59,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1990000108, now seen corresponding path program 1 times
[2021-11-13 18:49:59,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:49:59,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042960412]
[2021-11-13 18:49:59,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:49:59,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:49:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:49:59,322 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2021-11-13 18:49:59,323 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:49:59,324 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042960412]
[2021-11-13 18:49:59,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042960412] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:49:59,324 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:49:59,324 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:49:59,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836469131]
[2021-11-13 18:49:59,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:49:59,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:49:59,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:49:59,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:49:59,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:49:59,328 INFO L87 Difference]: Start difference. First operand 188 states and 264 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)
[2021-11-13 18:49:59,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:49:59,438 INFO L93 Difference]: Finished difference Result 390 states and 555 transitions.
[2021-11-13 18:49:59,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:49:59,439 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 68
[2021-11-13 18:49:59,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:49:59,441 INFO L225 Difference]: With dead ends: 390
[2021-11-13 18:49:59,441 INFO L226 Difference]: Without dead ends: 212
[2021-11-13 18:49:59,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:49:59,442 INFO L933 BasicCegarLoop]: 180 mSDtfsCounter, 16 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 75.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.42ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 97.88ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:49:59,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 262 Invalid, 109 Unknown, 0 Unchecked, 1.42ms Time], IncrementalHoareTripleChecker [11 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 97.88ms Time]
[2021-11-13 18:49:59,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states.
[2021-11-13 18:49:59,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 207.
[2021-11-13 18:49:59,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 206 states have (on average 1.3980582524271845) internal successors, (288), 206 states have internal predecessors, (288), 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)
[2021-11-13 18:49:59,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 288 transitions.
[2021-11-13 18:49:59,473 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 288 transitions. Word has length 68
[2021-11-13 18:49:59,474 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:49:59,474 INFO L470 AbstractCegarLoop]: Abstraction has 207 states and 288 transitions.
[2021-11-13 18:49:59,475 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)
[2021-11-13 18:49:59,475 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 288 transitions.
[2021-11-13 18:49:59,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2021-11-13 18:49:59,483 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:49:59,483 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:49:59,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2021-11-13 18:49:59,483 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:49:59,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:49:59,484 INFO L85 PathProgramCache]: Analyzing trace with hash -843012112, now seen corresponding path program 1 times
[2021-11-13 18:49:59,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:49:59,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716365771]
[2021-11-13 18:49:59,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:49:59,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:49:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:49:59,591 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked.
[2021-11-13 18:49:59,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:49:59,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716365771]
[2021-11-13 18:49:59,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716365771] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:49:59,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:49:59,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:49:59,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223280453]
[2021-11-13 18:49:59,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:49:59,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:49:59,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:49:59,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:49:59,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:49:59,593 INFO L87 Difference]: Start difference. First operand 207 states and 288 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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)
[2021-11-13 18:49:59,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:49:59,706 INFO L93 Difference]: Finished difference Result 428 states and 604 transitions.
[2021-11-13 18:49:59,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:49:59,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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 85
[2021-11-13 18:49:59,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:49:59,710 INFO L225 Difference]: With dead ends: 428
[2021-11-13 18:49:59,711 INFO L226 Difference]: Without dead ends: 231
[2021-11-13 18:49:59,711 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:49:59,714 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 13 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 78.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.75ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 98.36ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:49:59,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 261 Invalid, 113 Unknown, 0 Unchecked, 1.75ms Time], IncrementalHoareTripleChecker [13 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 98.36ms Time]
[2021-11-13 18:49:59,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states.
[2021-11-13 18:49:59,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 228.
[2021-11-13 18:49:59,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 227 states have (on average 1.3832599118942732) internal successors, (314), 227 states have internal predecessors, (314), 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)
[2021-11-13 18:49:59,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 314 transitions.
[2021-11-13 18:49:59,736 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 314 transitions. Word has length 85
[2021-11-13 18:49:59,737 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:49:59,737 INFO L470 AbstractCegarLoop]: Abstraction has 228 states and 314 transitions.
[2021-11-13 18:49:59,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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)
[2021-11-13 18:49:59,737 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 314 transitions.
[2021-11-13 18:49:59,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2021-11-13 18:49:59,740 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:49:59,740 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:49:59,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-11-13 18:49:59,740 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:49:59,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:49:59,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1725839848, now seen corresponding path program 1 times
[2021-11-13 18:49:59,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:49:59,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036050180]
[2021-11-13 18:49:59,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:49:59,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:49:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:49:59,842 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2021-11-13 18:49:59,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:49:59,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036050180]
[2021-11-13 18:49:59,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036050180] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:49:59,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:49:59,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:49:59,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425382772]
[2021-11-13 18:49:59,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:49:59,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:49:59,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:49:59,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:49:59,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:49:59,846 INFO L87 Difference]: Start difference. First operand 228 states and 314 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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)
[2021-11-13 18:49:59,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:49:59,887 INFO L93 Difference]: Finished difference Result 661 states and 912 transitions.
[2021-11-13 18:49:59,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:49:59,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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 105
[2021-11-13 18:49:59,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:49:59,891 INFO L225 Difference]: With dead ends: 661
[2021-11-13 18:49:59,891 INFO L226 Difference]: Without dead ends: 443
[2021-11-13 18:49:59,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:49:59,893 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 125 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.71ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.93ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:49:59,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 363 Invalid, 23 Unknown, 0 Unchecked, 1.71ms Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 18.93ms Time]
[2021-11-13 18:49:59,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states.
[2021-11-13 18:49:59,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443.
[2021-11-13 18:49:59,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 442 states have (on average 1.3710407239819005) internal successors, (606), 442 states have internal predecessors, (606), 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)
[2021-11-13 18:49:59,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 606 transitions.
[2021-11-13 18:49:59,921 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 606 transitions. Word has length 105
[2021-11-13 18:49:59,922 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:49:59,922 INFO L470 AbstractCegarLoop]: Abstraction has 443 states and 606 transitions.
[2021-11-13 18:49:59,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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)
[2021-11-13 18:49:59,923 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 606 transitions.
[2021-11-13 18:49:59,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2021-11-13 18:49:59,925 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:49:59,925 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:49:59,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2021-11-13 18:49:59,926 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:49:59,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:49:59,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1889855194, now seen corresponding path program 1 times
[2021-11-13 18:49:59,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:49:59,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899436437]
[2021-11-13 18:49:59,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:49:59,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:49:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:49:59,997 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked.
[2021-11-13 18:49:59,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:49:59,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899436437]
[2021-11-13 18:49:59,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899436437] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:49:59,998 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:49:59,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:49:59,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855440235]
[2021-11-13 18:49:59,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:50:00,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:50:00,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:50:00,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:50:00,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:00,001 INFO L87 Difference]: Start difference. First operand 443 states and 606 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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)
[2021-11-13 18:50:00,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:50:00,028 INFO L93 Difference]: Finished difference Result 897 states and 1226 transitions.
[2021-11-13 18:50:00,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:50:00,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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 105
[2021-11-13 18:50:00,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:50:00,032 INFO L225 Difference]: With dead ends: 897
[2021-11-13 18:50:00,032 INFO L226 Difference]: Without dead ends: 464
[2021-11-13 18:50:00,033 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:00,033 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 11 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.92ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.94ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:50:00,034 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 343 Invalid, 13 Unknown, 0 Unchecked, 1.92ms Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 11.94ms Time]
[2021-11-13 18:50:00,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states.
[2021-11-13 18:50:00,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464.
[2021-11-13 18:50:00,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 463 states have (on average 1.367170626349892) internal successors, (633), 463 states have internal predecessors, (633), 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)
[2021-11-13 18:50:00,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 633 transitions.
[2021-11-13 18:50:00,058 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 633 transitions. Word has length 105
[2021-11-13 18:50:00,058 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:50:00,058 INFO L470 AbstractCegarLoop]: Abstraction has 464 states and 633 transitions.
[2021-11-13 18:50:00,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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)
[2021-11-13 18:50:00,059 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 633 transitions.
[2021-11-13 18:50:00,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107
[2021-11-13 18:50:00,060 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:50:00,061 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:50:00,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-11-13 18:50:00,061 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:50:00,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:50:00,062 INFO L85 PathProgramCache]: Analyzing trace with hash -810746188, now seen corresponding path program 1 times
[2021-11-13 18:50:00,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:50:00,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202042623]
[2021-11-13 18:50:00,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:50:00,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:50:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:50:00,104 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked.
[2021-11-13 18:50:00,104 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:50:00,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202042623]
[2021-11-13 18:50:00,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202042623] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:50:00,105 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:50:00,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:50:00,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257785980]
[2021-11-13 18:50:00,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:50:00,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:50:00,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:50:00,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:50:00,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:00,107 INFO L87 Difference]: Start difference. First operand 464 states and 633 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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)
[2021-11-13 18:50:00,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:50:00,134 INFO L93 Difference]: Finished difference Result 945 states and 1287 transitions.
[2021-11-13 18:50:00,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:50:00,134 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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 106
[2021-11-13 18:50:00,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:50:00,138 INFO L225 Difference]: With dead ends: 945
[2021-11-13 18:50:00,138 INFO L226 Difference]: Without dead ends: 491
[2021-11-13 18:50:00,139 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:00,142 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 20 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.91ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.30ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:50:00,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 315 Invalid, 13 Unknown, 0 Unchecked, 0.91ms Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 9.30ms Time]
[2021-11-13 18:50:00,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states.
[2021-11-13 18:50:00,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 491.
[2021-11-13 18:50:00,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 490 states have (on average 1.3612244897959183) internal successors, (667), 490 states have internal predecessors, (667), 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)
[2021-11-13 18:50:00,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 667 transitions.
[2021-11-13 18:50:00,158 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 667 transitions. Word has length 106
[2021-11-13 18:50:00,158 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:50:00,158 INFO L470 AbstractCegarLoop]: Abstraction has 491 states and 667 transitions.
[2021-11-13 18:50:00,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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)
[2021-11-13 18:50:00,159 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 667 transitions.
[2021-11-13 18:50:00,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108
[2021-11-13 18:50:00,160 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:50:00,161 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:50:00,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-11-13 18:50:00,161 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:50:00,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:50:00,162 INFO L85 PathProgramCache]: Analyzing trace with hash 625791090, now seen corresponding path program 1 times
[2021-11-13 18:50:00,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:50:00,162 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559666303]
[2021-11-13 18:50:00,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:50:00,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:50:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:50:00,214 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked.
[2021-11-13 18:50:00,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:50:00,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559666303]
[2021-11-13 18:50:00,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559666303] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:50:00,215 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:50:00,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:50:00,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242240630]
[2021-11-13 18:50:00,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:50:00,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:50:00,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:50:00,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:50:00,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:00,217 INFO L87 Difference]: Start difference. First operand 491 states and 667 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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)
[2021-11-13 18:50:00,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:50:00,250 INFO L93 Difference]: Finished difference Result 709 states and 967 transitions.
[2021-11-13 18:50:00,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:50:00,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 107
[2021-11-13 18:50:00,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:50:00,255 INFO L225 Difference]: With dead ends: 709
[2021-11-13 18:50:00,256 INFO L226 Difference]: Without dead ends: 707
[2021-11-13 18:50:00,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:00,257 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 139 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.23ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.20ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.26ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:50:00,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 305 Invalid, 26 Unknown, 0 Unchecked, 1.20ms Time], IncrementalHoareTripleChecker [7 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 20.26ms Time]
[2021-11-13 18:50:00,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states.
[2021-11-13 18:50:00,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 707.
[2021-11-13 18:50:00,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 707 states, 706 states have (on average 1.36685552407932) internal successors, (965), 706 states have internal predecessors, (965), 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)
[2021-11-13 18:50:00,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 965 transitions.
[2021-11-13 18:50:00,282 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 965 transitions. Word has length 107
[2021-11-13 18:50:00,282 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:50:00,283 INFO L470 AbstractCegarLoop]: Abstraction has 707 states and 965 transitions.
[2021-11-13 18:50:00,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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)
[2021-11-13 18:50:00,283 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 965 transitions.
[2021-11-13 18:50:00,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177
[2021-11-13 18:50:00,286 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:50:00,286 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:50:00,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-11-13 18:50:00,287 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:50:00,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:50:00,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1290635395, now seen corresponding path program 1 times
[2021-11-13 18:50:00,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:50:00,288 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160995771]
[2021-11-13 18:50:00,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:50:00,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:50:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:50:00,343 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 311 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked.
[2021-11-13 18:50:00,344 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:50:00,344 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160995771]
[2021-11-13 18:50:00,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160995771] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:50:00,344 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:50:00,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:50:00,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692321962]
[2021-11-13 18:50:00,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:50:00,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:50:00,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:50:00,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:50:00,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:00,346 INFO L87 Difference]: Start difference. First operand 707 states and 965 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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)
[2021-11-13 18:50:00,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:50:00,479 INFO L93 Difference]: Finished difference Result 1530 states and 2149 transitions.
[2021-11-13 18:50:00,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:50:00,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 176
[2021-11-13 18:50:00,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:50:00,486 INFO L225 Difference]: With dead ends: 1530
[2021-11-13 18:50:00,486 INFO L226 Difference]: Without dead ends: 857
[2021-11-13 18:50:00,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:00,489 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 97 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 85.47ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.49ms SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 108.15ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:50:00,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [97 Valid, 196 Invalid, 153 Unknown, 0 Unchecked, 1.49ms Time], IncrementalHoareTripleChecker [43 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 108.15ms Time]
[2021-11-13 18:50:00,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states.
[2021-11-13 18:50:00,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 824.
[2021-11-13 18:50:00,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 823 states have (on average 1.402187120291616) internal successors, (1154), 823 states have internal predecessors, (1154), 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)
[2021-11-13 18:50:00,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1154 transitions.
[2021-11-13 18:50:00,525 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1154 transitions. Word has length 176
[2021-11-13 18:50:00,525 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:50:00,525 INFO L470 AbstractCegarLoop]: Abstraction has 824 states and 1154 transitions.
[2021-11-13 18:50:00,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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)
[2021-11-13 18:50:00,525 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1154 transitions.
[2021-11-13 18:50:00,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190
[2021-11-13 18:50:00,529 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:50:00,530 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 9, 9, 9, 9, 9, 7, 7, 5, 5, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:50:00,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2021-11-13 18:50:00,530 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:50:00,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:50:00,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1154586908, now seen corresponding path program 2 times
[2021-11-13 18:50:00,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:50:00,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982008159]
[2021-11-13 18:50:00,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:50:00,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:50:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:50:00,589 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked.
[2021-11-13 18:50:00,590 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:50:00,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982008159]
[2021-11-13 18:50:00,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982008159] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:50:00,590 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:50:00,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:50:00,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464048250]
[2021-11-13 18:50:00,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:50:00,591 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:50:00,591 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:50:00,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:50:00,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:00,592 INFO L87 Difference]: Start difference. First operand 824 states and 1154 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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)
[2021-11-13 18:50:00,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:50:00,733 INFO L93 Difference]: Finished difference Result 1892 states and 2730 transitions.
[2021-11-13 18:50:00,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:50:00,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 189
[2021-11-13 18:50:00,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:50:00,740 INFO L225 Difference]: With dead ends: 1892
[2021-11-13 18:50:00,740 INFO L226 Difference]: Without dead ends: 1054
[2021-11-13 18:50:00,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:00,743 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 96 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 89.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.54ms SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 113.24ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:50:00,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 203 Invalid, 153 Unknown, 0 Unchecked, 1.54ms Time], IncrementalHoareTripleChecker [41 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 113.24ms Time]
[2021-11-13 18:50:00,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states.
[2021-11-13 18:50:00,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 1013.
[2021-11-13 18:50:00,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1013 states, 1012 states have (on average 1.3893280632411067) internal successors, (1406), 1012 states have internal predecessors, (1406), 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)
[2021-11-13 18:50:00,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1406 transitions.
[2021-11-13 18:50:00,773 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1406 transitions. Word has length 189
[2021-11-13 18:50:00,774 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:50:00,774 INFO L470 AbstractCegarLoop]: Abstraction has 1013 states and 1406 transitions.
[2021-11-13 18:50:00,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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)
[2021-11-13 18:50:00,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1406 transitions.
[2021-11-13 18:50:00,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211
[2021-11-13 18:50:00,778 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:50:00,779 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 10, 10, 10, 10, 10, 8, 8, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1]
[2021-11-13 18:50:00,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2021-11-13 18:50:00,779 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:50:00,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:50:00,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1143144718, now seen corresponding path program 1 times
[2021-11-13 18:50:00,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:50:00,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415077831]
[2021-11-13 18:50:00,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:50:00,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:50:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:50:00,841 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked.
[2021-11-13 18:50:00,841 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:50:00,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415077831]
[2021-11-13 18:50:00,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415077831] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:50:00,842 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:50:00,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:50:00,842 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600106338]
[2021-11-13 18:50:00,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:50:00,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:50:00,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:50:00,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:50:00,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:00,844 INFO L87 Difference]: Start difference. First operand 1013 states and 1406 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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)
[2021-11-13 18:50:00,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:50:00,988 INFO L93 Difference]: Finished difference Result 2148 states and 3007 transitions.
[2021-11-13 18:50:00,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:50:00,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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 210
[2021-11-13 18:50:00,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:50:00,995 INFO L225 Difference]: With dead ends: 2148
[2021-11-13 18:50:00,995 INFO L226 Difference]: Without dead ends: 1127
[2021-11-13 18:50:00,997 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:00,998 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 99 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 89.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.58ms SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 112.65ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:50:00,998 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 199 Invalid, 153 Unknown, 0 Unchecked, 1.58ms Time], IncrementalHoareTripleChecker [42 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 112.65ms Time]
[2021-11-13 18:50:01,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states.
[2021-11-13 18:50:01,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 1088.
[2021-11-13 18:50:01,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 1087 states have (on average 1.3817847286108556) internal successors, (1502), 1087 states have internal predecessors, (1502), 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)
[2021-11-13 18:50:01,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1502 transitions.
[2021-11-13 18:50:01,051 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1502 transitions. Word has length 210
[2021-11-13 18:50:01,051 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:50:01,051 INFO L470 AbstractCegarLoop]: Abstraction has 1088 states and 1502 transitions.
[2021-11-13 18:50:01,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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)
[2021-11-13 18:50:01,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1502 transitions.
[2021-11-13 18:50:01,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235
[2021-11-13 18:50:01,057 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:50:01,057 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 9, 9, 7, 7, 5, 5, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:50:01,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2021-11-13 18:50:01,057 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:50:01,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:50:01,058 INFO L85 PathProgramCache]: Analyzing trace with hash 455987487, now seen corresponding path program 1 times
[2021-11-13 18:50:01,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:50:01,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172744185]
[2021-11-13 18:50:01,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:50:01,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:50:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:50:01,128 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 479 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked.
[2021-11-13 18:50:01,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:50:01,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172744185]
[2021-11-13 18:50:01,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172744185] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:50:01,128 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:50:01,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:50:01,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600530927]
[2021-11-13 18:50:01,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:50:01,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:50:01,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:50:01,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:50:01,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:01,130 INFO L87 Difference]: Start difference. First operand 1088 states and 1502 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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)
[2021-11-13 18:50:01,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:50:01,271 INFO L93 Difference]: Finished difference Result 2298 states and 3196 transitions.
[2021-11-13 18:50:01,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:50:01,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 234
[2021-11-13 18:50:01,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:50:01,279 INFO L225 Difference]: With dead ends: 2298
[2021-11-13 18:50:01,279 INFO L226 Difference]: Without dead ends: 1208
[2021-11-13 18:50:01,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:01,282 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 100 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 87.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.47ms SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 111.05ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:50:01,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 197 Invalid, 153 Unknown, 0 Unchecked, 1.47ms Time], IncrementalHoareTripleChecker [43 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 111.05ms Time]
[2021-11-13 18:50:01,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states.
[2021-11-13 18:50:01,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1172.
[2021-11-13 18:50:01,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1172 states, 1171 states have (on average 1.3774551665243382) internal successors, (1613), 1171 states have internal predecessors, (1613), 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)
[2021-11-13 18:50:01,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 1172 states and 1613 transitions.
[2021-11-13 18:50:01,320 INFO L78 Accepts]: Start accepts. Automaton has 1172 states and 1613 transitions. Word has length 234
[2021-11-13 18:50:01,320 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:50:01,320 INFO L470 AbstractCegarLoop]: Abstraction has 1172 states and 1613 transitions.
[2021-11-13 18:50:01,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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)
[2021-11-13 18:50:01,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1613 transitions.
[2021-11-13 18:50:01,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235
[2021-11-13 18:50:01,326 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:50:01,326 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 9, 9, 7, 7, 5, 5, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:50:01,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2021-11-13 18:50:01,326 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:50:01,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:50:01,327 INFO L85 PathProgramCache]: Analyzing trace with hash 574428961, now seen corresponding path program 1 times
[2021-11-13 18:50:01,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:50:01,327 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656124820]
[2021-11-13 18:50:01,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:50:01,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:50:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:50:01,388 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 479 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked.
[2021-11-13 18:50:01,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:50:01,388 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656124820]
[2021-11-13 18:50:01,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656124820] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:50:01,389 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:50:01,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:50:01,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691378200]
[2021-11-13 18:50:01,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:50:01,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:50:01,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:50:01,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:50:01,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:01,391 INFO L87 Difference]: Start difference. First operand 1172 states and 1613 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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)
[2021-11-13 18:50:01,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:50:01,537 INFO L93 Difference]: Finished difference Result 2466 states and 3421 transitions.
[2021-11-13 18:50:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:50:01,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 234
[2021-11-13 18:50:01,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:50:01,556 INFO L225 Difference]: With dead ends: 2466
[2021-11-13 18:50:01,557 INFO L226 Difference]: Without dead ends: 1304
[2021-11-13 18:50:01,558 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:01,559 INFO L933 BasicCegarLoop]: 150 mSDtfsCounter, 102 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 89.67ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.67ms SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 113.17ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:50:01,559 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 195 Invalid, 153 Unknown, 0 Unchecked, 1.67ms Time], IncrementalHoareTripleChecker [45 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 113.17ms Time]
[2021-11-13 18:50:01,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1304 states.
[2021-11-13 18:50:01,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1304 to 1265.
[2021-11-13 18:50:01,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1265 states, 1264 states have (on average 1.3805379746835442) internal successors, (1745), 1264 states have internal predecessors, (1745), 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)
[2021-11-13 18:50:01,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1745 transitions.
[2021-11-13 18:50:01,605 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1745 transitions. Word has length 234
[2021-11-13 18:50:01,605 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:50:01,605 INFO L470 AbstractCegarLoop]: Abstraction has 1265 states and 1745 transitions.
[2021-11-13 18:50:01,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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)
[2021-11-13 18:50:01,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1745 transitions.
[2021-11-13 18:50:01,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265
[2021-11-13 18:50:01,612 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:50:01,612 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 12, 12, 12, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:50:01,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2021-11-13 18:50:01,612 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:50:01,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:50:01,613 INFO L85 PathProgramCache]: Analyzing trace with hash 172133823, now seen corresponding path program 1 times
[2021-11-13 18:50:01,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:50:01,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073679578]
[2021-11-13 18:50:01,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:50:01,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:50:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:50:01,684 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 622 proven. 0 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked.
[2021-11-13 18:50:01,685 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:50:01,685 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073679578]
[2021-11-13 18:50:01,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073679578] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:50:01,687 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:50:01,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:50:01,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718175134]
[2021-11-13 18:50:01,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:50:01,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:50:01,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:50:01,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:50:01,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:01,689 INFO L87 Difference]: Start difference. First operand 1265 states and 1745 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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)
[2021-11-13 18:50:01,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:50:01,741 INFO L93 Difference]: Finished difference Result 3718 states and 5136 transitions.
[2021-11-13 18:50:01,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:50:01,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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 264
[2021-11-13 18:50:01,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:50:01,756 INFO L225 Difference]: With dead ends: 3718
[2021-11-13 18:50:01,756 INFO L226 Difference]: Without dead ends: 2490
[2021-11-13 18:50:01,758 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:01,759 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 127 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.92ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.91ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:50:01,759 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 483 Invalid, 7 Unknown, 0 Unchecked, 2.92ms Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 7.91ms Time]
[2021-11-13 18:50:01,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2490 states.
[2021-11-13 18:50:01,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2490 to 2488.
[2021-11-13 18:50:01,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2488 states, 2487 states have (on average 1.3811821471652594) internal successors, (3435), 2487 states have internal predecessors, (3435), 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)
[2021-11-13 18:50:01,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2488 states to 2488 states and 3435 transitions.
[2021-11-13 18:50:01,849 INFO L78 Accepts]: Start accepts. Automaton has 2488 states and 3435 transitions. Word has length 264
[2021-11-13 18:50:01,849 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:50:01,850 INFO L470 AbstractCegarLoop]: Abstraction has 2488 states and 3435 transitions.
[2021-11-13 18:50:01,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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)
[2021-11-13 18:50:01,850 INFO L276 IsEmpty]: Start isEmpty. Operand 2488 states and 3435 transitions.
[2021-11-13 18:50:01,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265
[2021-11-13 18:50:01,858 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:50:01,858 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 12, 12, 12, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:50:01,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2021-11-13 18:50:01,859 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:50:01,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:50:01,860 INFO L85 PathProgramCache]: Analyzing trace with hash 290575297, now seen corresponding path program 1 times
[2021-11-13 18:50:01,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:50:01,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940782422]
[2021-11-13 18:50:01,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:50:01,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:50:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:50:01,919 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked.
[2021-11-13 18:50:01,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:50:01,919 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940782422]
[2021-11-13 18:50:01,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940782422] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:50:01,919 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:50:01,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:50:01,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652342407]
[2021-11-13 18:50:01,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:50:01,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:50:01,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:50:01,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:50:01,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:01,922 INFO L87 Difference]: Start difference. First operand 2488 states and 3435 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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)
[2021-11-13 18:50:02,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:50:02,120 INFO L93 Difference]: Finished difference Result 5251 states and 7296 transitions.
[2021-11-13 18:50:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:50:02,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 264
[2021-11-13 18:50:02,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:50:02,136 INFO L225 Difference]: With dead ends: 5251
[2021-11-13 18:50:02,136 INFO L226 Difference]: Without dead ends: 2770
[2021-11-13 18:50:02,139 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:02,141 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 117 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 115.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.64ms SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 139.95ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:50:02,141 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 177 Invalid, 153 Unknown, 0 Unchecked, 1.64ms Time], IncrementalHoareTripleChecker [49 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 139.95ms Time]
[2021-11-13 18:50:02,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2770 states.
[2021-11-13 18:50:02,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2770 to 2698.
[2021-11-13 18:50:02,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2698 states, 2697 states have (on average 1.389321468298109) internal successors, (3747), 2697 states have internal predecessors, (3747), 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)
[2021-11-13 18:50:02,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 2698 states and 3747 transitions.
[2021-11-13 18:50:02,233 INFO L78 Accepts]: Start accepts. Automaton has 2698 states and 3747 transitions. Word has length 264
[2021-11-13 18:50:02,234 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:50:02,234 INFO L470 AbstractCegarLoop]: Abstraction has 2698 states and 3747 transitions.
[2021-11-13 18:50:02,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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)
[2021-11-13 18:50:02,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2698 states and 3747 transitions.
[2021-11-13 18:50:02,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300
[2021-11-13 18:50:02,243 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:50:02,243 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 13, 13, 13, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:50:02,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2021-11-13 18:50:02,244 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:50:02,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:50:02,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1239310138, now seen corresponding path program 1 times
[2021-11-13 18:50:02,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:50:02,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613388676]
[2021-11-13 18:50:02,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:50:02,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:50:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:50:02,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1169 backedges. 629 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked.
[2021-11-13 18:50:02,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:50:02,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613388676]
[2021-11-13 18:50:02,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613388676] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:50:02,320 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:50:02,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:50:02,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806630959]
[2021-11-13 18:50:02,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:50:02,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:50:02,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:50:02,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:50:02,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:02,322 INFO L87 Difference]: Start difference. First operand 2698 states and 3747 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)
[2021-11-13 18:50:02,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:50:02,496 INFO L93 Difference]: Finished difference Result 5443 states and 7548 transitions.
[2021-11-13 18:50:02,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:50:02,497 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 299
[2021-11-13 18:50:02,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:50:02,513 INFO L225 Difference]: With dead ends: 5443
[2021-11-13 18:50:02,513 INFO L226 Difference]: Without dead ends: 2764
[2021-11-13 18:50:02,517 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:02,518 INFO L933 BasicCegarLoop]: 135 mSDtfsCounter, 122 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 89.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.59ms SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 113.66ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:50:02,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 170 Invalid, 154 Unknown, 0 Unchecked, 1.59ms Time], IncrementalHoareTripleChecker [51 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 113.66ms Time]
[2021-11-13 18:50:02,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2764 states.
[2021-11-13 18:50:02,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2764 to 2692.
[2021-11-13 18:50:02,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 2691 states have (on average 1.379041248606466) internal successors, (3711), 2691 states have internal predecessors, (3711), 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)
[2021-11-13 18:50:02,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 3711 transitions.
[2021-11-13 18:50:02,644 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 3711 transitions. Word has length 299
[2021-11-13 18:50:02,644 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:50:02,644 INFO L470 AbstractCegarLoop]: Abstraction has 2692 states and 3711 transitions.
[2021-11-13 18:50:02,644 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)
[2021-11-13 18:50:02,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 3711 transitions.
[2021-11-13 18:50:02,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323
[2021-11-13 18:50:02,653 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:50:02,654 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:50:02,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2021-11-13 18:50:02,654 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:50:02,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:50:02,655 INFO L85 PathProgramCache]: Analyzing trace with hash 918915254, now seen corresponding path program 1 times
[2021-11-13 18:50:02,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:50:02,655 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428912986]
[2021-11-13 18:50:02,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:50:02,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:50:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:50:02,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1312 backedges. 663 proven. 0 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked.
[2021-11-13 18:50:02,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:50:02,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428912986]
[2021-11-13 18:50:02,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428912986] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:50:02,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:50:02,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:50:02,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319776494]
[2021-11-13 18:50:02,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:50:02,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:50:02,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:50:02,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:50:02,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:02,736 INFO L87 Difference]: Start difference. First operand 2692 states and 3711 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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)
[2021-11-13 18:50:02,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:50:02,894 INFO L93 Difference]: Finished difference Result 5407 states and 7446 transitions.
[2021-11-13 18:50:02,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:50:02,894 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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 322
[2021-11-13 18:50:02,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:50:02,910 INFO L225 Difference]: With dead ends: 5407
[2021-11-13 18:50:02,910 INFO L226 Difference]: Without dead ends: 2752
[2021-11-13 18:50:02,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:02,915 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 55 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 78.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.52ms SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 99.61ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:50:02,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 251 Invalid, 132 Unknown, 0 Unchecked, 1.52ms Time], IncrementalHoareTripleChecker [15 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 99.61ms Time]
[2021-11-13 18:50:02,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2752 states.
[2021-11-13 18:50:03,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2752 to 2692.
[2021-11-13 18:50:03,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 2691 states have (on average 1.358974358974359) internal successors, (3657), 2691 states have internal predecessors, (3657), 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)
[2021-11-13 18:50:03,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 3657 transitions.
[2021-11-13 18:50:03,029 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 3657 transitions. Word has length 322
[2021-11-13 18:50:03,030 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:50:03,030 INFO L470 AbstractCegarLoop]: Abstraction has 2692 states and 3657 transitions.
[2021-11-13 18:50:03,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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)
[2021-11-13 18:50:03,030 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 3657 transitions.
[2021-11-13 18:50:03,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337
[2021-11-13 18:50:03,040 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:50:03,040 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:50:03,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2021-11-13 18:50:03,040 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:50:03,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:50:03,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1665023372, now seen corresponding path program 1 times
[2021-11-13 18:50:03,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:50:03,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063433406]
[2021-11-13 18:50:03,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:50:03,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:50:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:50:03,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 731 proven. 0 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked.
[2021-11-13 18:50:03,108 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:50:03,108 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063433406]
[2021-11-13 18:50:03,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063433406] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:50:03,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:50:03,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:50:03,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547665029]
[2021-11-13 18:50:03,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:50:03,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:50:03,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:50:03,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:50:03,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:03,110 INFO L87 Difference]: Start difference. First operand 2692 states and 3657 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 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)
[2021-11-13 18:50:03,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:50:03,287 INFO L93 Difference]: Finished difference Result 5653 states and 7626 transitions.
[2021-11-13 18:50:03,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:50:03,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 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 336
[2021-11-13 18:50:03,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:50:03,304 INFO L225 Difference]: With dead ends: 5653
[2021-11-13 18:50:03,304 INFO L226 Difference]: Without dead ends: 2998
[2021-11-13 18:50:03,307 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:03,309 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 130 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 89.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.46ms SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 111.97ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:50:03,309 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 147 Invalid, 147 Unknown, 0 Unchecked, 1.46ms Time], IncrementalHoareTripleChecker [48 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 111.97ms Time]
[2021-11-13 18:50:03,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2998 states.
[2021-11-13 18:50:03,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2998 to 2782.
[2021-11-13 18:50:03,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2782 states, 2781 states have (on average 1.3581445523193096) internal successors, (3777), 2781 states have internal predecessors, (3777), 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)
[2021-11-13 18:50:03,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2782 states to 2782 states and 3777 transitions.
[2021-11-13 18:50:03,441 INFO L78 Accepts]: Start accepts. Automaton has 2782 states and 3777 transitions. Word has length 336
[2021-11-13 18:50:03,442 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:50:03,442 INFO L470 AbstractCegarLoop]: Abstraction has 2782 states and 3777 transitions.
[2021-11-13 18:50:03,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 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)
[2021-11-13 18:50:03,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2782 states and 3777 transitions.
[2021-11-13 18:50:03,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338
[2021-11-13 18:50:03,453 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:50:03,454 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:50:03,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2021-11-13 18:50:03,454 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:50:03,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:50:03,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1597112402, now seen corresponding path program 1 times
[2021-11-13 18:50:03,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:50:03,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782197307]
[2021-11-13 18:50:03,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:50:03,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:50:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:50:03,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 871 proven. 0 refuted. 0 times theorem prover too weak. 549 trivial. 0 not checked.
[2021-11-13 18:50:03,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:50:03,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782197307]
[2021-11-13 18:50:03,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782197307] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:50:03,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:50:03,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:50:03,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024525753]
[2021-11-13 18:50:03,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:50:03,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:50:03,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:50:03,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:50:03,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:03,559 INFO L87 Difference]: Start difference. First operand 2782 states and 3777 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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)
[2021-11-13 18:50:03,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:50:03,652 INFO L93 Difference]: Finished difference Result 7882 states and 10755 transitions.
[2021-11-13 18:50:03,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:50:03,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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 337
[2021-11-13 18:50:03,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:50:03,695 INFO L225 Difference]: With dead ends: 7882
[2021-11-13 18:50:03,695 INFO L226 Difference]: Without dead ends: 5137
[2021-11-13 18:50:03,699 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:03,702 INFO L933 BasicCegarLoop]: 283 mSDtfsCounter, 84 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.69ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.89ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:50:03,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [84 Valid, 445 Invalid, 11 Unknown, 0 Unchecked, 1.69ms Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 10.89ms Time]
[2021-11-13 18:50:03,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5137 states.
[2021-11-13 18:50:03,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5137 to 5135.
[2021-11-13 18:50:03,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5135 states, 5134 states have (on average 1.36482275029217) internal successors, (7007), 5134 states have internal predecessors, (7007), 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)
[2021-11-13 18:50:03,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5135 states to 5135 states and 7007 transitions.
[2021-11-13 18:50:03,870 INFO L78 Accepts]: Start accepts. Automaton has 5135 states and 7007 transitions. Word has length 337
[2021-11-13 18:50:03,870 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:50:03,870 INFO L470 AbstractCegarLoop]: Abstraction has 5135 states and 7007 transitions.
[2021-11-13 18:50:03,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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)
[2021-11-13 18:50:03,871 INFO L276 IsEmpty]: Start isEmpty. Operand 5135 states and 7007 transitions.
[2021-11-13 18:50:03,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362
[2021-11-13 18:50:03,924 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:50:03,924 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:50:03,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2021-11-13 18:50:03,925 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:50:03,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:50:03,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1354743787, now seen corresponding path program 1 times
[2021-11-13 18:50:03,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:50:03,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101692600]
[2021-11-13 18:50:03,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:50:03,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:50:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:50:04,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 904 proven. 10 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked.
[2021-11-13 18:50:04,010 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:50:04,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101692600]
[2021-11-13 18:50:04,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101692600] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:50:04,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836076812]
[2021-11-13 18:50:04,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:50:04,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:50:04,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:50:04,015 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:50:04,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2021-11-13 18:50:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:50:04,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-11-13 18:50:04,236 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:50:05,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 904 proven. 10 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked.
[2021-11-13 18:50:05,000 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:50:05,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1563 backedges. 904 proven. 10 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked.
[2021-11-13 18:50:05,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836076812] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-13 18:50:05,585 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-13 18:50:05,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6
[2021-11-13 18:50:05,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055508330]
[2021-11-13 18:50:05,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-13 18:50:05,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 18:50:05,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:50:05,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 18:50:05,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2021-11-13 18:50:05,590 INFO L87 Difference]: Start difference. First operand 5135 states and 7007 transitions. Second operand has 6 states, 6 states have (on average 38.833333333333336) internal successors, (233), 6 states have internal predecessors, (233), 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)
[2021-11-13 18:50:06,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:50:06,082 INFO L93 Difference]: Finished difference Result 10227 states and 13933 transitions.
[2021-11-13 18:50:06,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-11-13 18:50:06,083 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 38.833333333333336) internal successors, (233), 6 states have internal predecessors, (233), 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 361
[2021-11-13 18:50:06,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:50:06,101 INFO L225 Difference]: With dead ends: 10227
[2021-11-13 18:50:06,101 INFO L226 Difference]: Without dead ends: 7740
[2021-11-13 18:50:06,107 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 728 GetRequests, 722 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56
[2021-11-13 18:50:06,108 INFO L933 BasicCegarLoop]: 298 mSDtfsCounter, 422 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 256.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.86ms SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 320.36ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:50:06,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [422 Valid, 613 Invalid, 484 Unknown, 0 Unchecked, 5.86ms Time], IncrementalHoareTripleChecker [78 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 320.36ms Time]
[2021-11-13 18:50:06,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7740 states.
[2021-11-13 18:50:06,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7740 to 5669.
[2021-11-13 18:50:06,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5669 states, 5668 states have (on average 1.3484474241354976) internal successors, (7643), 5668 states have internal predecessors, (7643), 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)
[2021-11-13 18:50:06,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5669 states to 5669 states and 7643 transitions.
[2021-11-13 18:50:06,305 INFO L78 Accepts]: Start accepts. Automaton has 5669 states and 7643 transitions. Word has length 361
[2021-11-13 18:50:06,305 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:50:06,305 INFO L470 AbstractCegarLoop]: Abstraction has 5669 states and 7643 transitions.
[2021-11-13 18:50:06,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.833333333333336) internal successors, (233), 6 states have internal predecessors, (233), 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)
[2021-11-13 18:50:06,306 INFO L276 IsEmpty]: Start isEmpty. Operand 5669 states and 7643 transitions.
[2021-11-13 18:50:06,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375
[2021-11-13 18:50:06,315 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:50:06,315 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:50:06,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2021-11-13 18:50:06,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21
[2021-11-13 18:50:06,530 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:50:06,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:50:06,531 INFO L85 PathProgramCache]: Analyzing trace with hash 290805068, now seen corresponding path program 2 times
[2021-11-13 18:50:06,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:50:06,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782045345]
[2021-11-13 18:50:06,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:50:06,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:50:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:50:06,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 955 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked.
[2021-11-13 18:50:06,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:50:06,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782045345]
[2021-11-13 18:50:06,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782045345] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:50:06,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118280293]
[2021-11-13 18:50:06,659 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-13 18:50:06,659 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:50:06,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:50:06,660 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:50:06,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2021-11-13 18:50:06,823 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-11-13 18:50:06,823 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-13 18:50:06,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-11-13 18:50:06,851 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:50:07,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 955 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked.
[2021-11-13 18:50:07,561 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:50:08,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1649 backedges. 955 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked.
[2021-11-13 18:50:08,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118280293] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-13 18:50:08,316 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-13 18:50:08,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6
[2021-11-13 18:50:08,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427004211]
[2021-11-13 18:50:08,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-13 18:50:08,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 18:50:08,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:50:08,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 18:50:08,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2021-11-13 18:50:08,319 INFO L87 Difference]: Start difference. First operand 5669 states and 7643 transitions. Second operand has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 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)
[2021-11-13 18:50:08,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:50:08,681 INFO L93 Difference]: Finished difference Result 12703 states and 17150 transitions.
[2021-11-13 18:50:08,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-13 18:50:08,682 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 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 374
[2021-11-13 18:50:08,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:50:08,696 INFO L225 Difference]: With dead ends: 12703
[2021-11-13 18:50:08,696 INFO L226 Difference]: Without dead ends: 7058
[2021-11-13 18:50:08,704 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 752 GetRequests, 747 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2021-11-13 18:50:08,706 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 346 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 164.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.77ms SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 222.82ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:50:08,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [346 Valid, 364 Invalid, 318 Unknown, 0 Unchecked, 3.77ms Time], IncrementalHoareTripleChecker [60 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 222.82ms Time]
[2021-11-13 18:50:08,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7058 states.
[2021-11-13 18:50:08,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7058 to 5789.
[2021-11-13 18:50:08,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5789 states, 5788 states have (on average 1.3344851416724257) internal successors, (7724), 5788 states have internal predecessors, (7724), 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)
[2021-11-13 18:50:08,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5789 states to 5789 states and 7724 transitions.
[2021-11-13 18:50:08,917 INFO L78 Accepts]: Start accepts. Automaton has 5789 states and 7724 transitions. Word has length 374
[2021-11-13 18:50:08,918 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:50:08,918 INFO L470 AbstractCegarLoop]: Abstraction has 5789 states and 7724 transitions.
[2021-11-13 18:50:08,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 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)
[2021-11-13 18:50:08,918 INFO L276 IsEmpty]: Start isEmpty. Operand 5789 states and 7724 transitions.
[2021-11-13 18:50:08,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414
[2021-11-13 18:50:08,929 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:50:08,929 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:50:08,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2021-11-13 18:50:09,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22
[2021-11-13 18:50:09,146 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:50:09,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:50:09,147 INFO L85 PathProgramCache]: Analyzing trace with hash -939951161, now seen corresponding path program 1 times
[2021-11-13 18:50:09,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:50:09,147 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519062085]
[2021-11-13 18:50:09,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:50:09,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:50:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:50:09,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1970 backedges. 885 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked.
[2021-11-13 18:50:09,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:50:09,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519062085]
[2021-11-13 18:50:09,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519062085] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:50:09,239 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:50:09,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:50:09,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452558590]
[2021-11-13 18:50:09,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:50:09,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:50:09,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:50:09,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:50:09,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:09,241 INFO L87 Difference]: Start difference. First operand 5789 states and 7724 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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)
[2021-11-13 18:50:09,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:50:09,408 INFO L93 Difference]: Finished difference Result 11133 states and 14642 transitions.
[2021-11-13 18:50:09,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:50:09,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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 413
[2021-11-13 18:50:09,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:50:09,420 INFO L225 Difference]: With dead ends: 11133
[2021-11-13 18:50:09,420 INFO L226 Difference]: Without dead ends: 3109
[2021-11-13 18:50:09,428 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:50:09,429 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 39 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 70.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.43ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 89.11ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:50:09,429 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 259 Invalid, 120 Unknown, 0 Unchecked, 1.43ms Time], IncrementalHoareTripleChecker [4 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 89.11ms Time]
[2021-11-13 18:50:09,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3109 states.
[2021-11-13 18:50:09,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3109 to 3043.
[2021-11-13 18:50:09,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3043 states, 3042 states have (on average 1.3356344510190663) internal successors, (4063), 3042 states have internal predecessors, (4063), 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)
[2021-11-13 18:50:09,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3043 states to 3043 states and 4063 transitions.
[2021-11-13 18:50:09,501 INFO L78 Accepts]: Start accepts. Automaton has 3043 states and 4063 transitions. Word has length 413
[2021-11-13 18:50:09,501 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:50:09,501 INFO L470 AbstractCegarLoop]: Abstraction has 3043 states and 4063 transitions.
[2021-11-13 18:50:09,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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)
[2021-11-13 18:50:09,502 INFO L276 IsEmpty]: Start isEmpty. Operand 3043 states and 4063 transitions.
[2021-11-13 18:50:09,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512
[2021-11-13 18:50:09,508 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:50:09,509 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 19, 17, 17, 15, 15, 13, 13, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:50:09,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2021-11-13 18:50:09,510 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:50:09,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:50:09,510 INFO L85 PathProgramCache]: Analyzing trace with hash -826650578, now seen corresponding path program 1 times
[2021-11-13 18:50:09,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:50:09,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636213316]
[2021-11-13 18:50:09,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:50:09,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:50:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:50:09,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2898 backedges. 1648 proven. 14 refuted. 0 times theorem prover too weak. 1236 trivial. 0 not checked.
[2021-11-13 18:50:09,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:50:09,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636213316]
[2021-11-13 18:50:09,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636213316] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:50:09,657 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203920365]
[2021-11-13 18:50:09,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:50:09,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:50:09,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:50:09,659 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:50:09,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2021-11-13 18:50:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:50:09,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-11-13 18:50:09,842 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:50:10,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2898 backedges. 1075 proven. 0 refuted. 0 times theorem prover too weak. 1823 trivial. 0 not checked.
[2021-11-13 18:50:10,802 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2021-11-13 18:50:10,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203920365] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:50:10,803 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:50:10,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5
[2021-11-13 18:50:10,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548272782]
[2021-11-13 18:50:10,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:50:10,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:50:10,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:50:10,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:50:10,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:50:10,805 INFO L87 Difference]: Start difference. First operand 3043 states and 4063 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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)
[2021-11-13 18:50:10,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:50:10,842 INFO L93 Difference]: Finished difference Result 3068 states and 4093 transitions.
[2021-11-13 18:50:10,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:50:10,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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 511
[2021-11-13 18:50:10,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:50:10,849 INFO L225 Difference]: With dead ends: 3068
[2021-11-13 18:50:10,849 INFO L226 Difference]: Without dead ends: 2571
[2021-11-13 18:50:10,851 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 511 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:50:10,851 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 56 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.74ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.28ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:50:10,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 256 Invalid, 4 Unknown, 0 Unchecked, 0.74ms Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 5.28ms Time]
[2021-11-13 18:50:10,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2571 states.
[2021-11-13 18:50:10,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2571 to 2548.
[2021-11-13 18:50:10,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2548 states, 2547 states have (on average 1.3345111896348645) internal successors, (3399), 2547 states have internal predecessors, (3399), 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)
[2021-11-13 18:50:10,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 2548 states and 3399 transitions.
[2021-11-13 18:50:10,920 INFO L78 Accepts]: Start accepts. Automaton has 2548 states and 3399 transitions. Word has length 511
[2021-11-13 18:50:10,921 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:50:10,921 INFO L470 AbstractCegarLoop]: Abstraction has 2548 states and 3399 transitions.
[2021-11-13 18:50:10,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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)
[2021-11-13 18:50:10,922 INFO L276 IsEmpty]: Start isEmpty. Operand 2548 states and 3399 transitions.
[2021-11-13 18:50:10,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 513
[2021-11-13 18:50:10,930 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:50:10,931 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 18, 16, 16, 14, 14, 13, 13, 12, 12, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:50:10,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2021-11-13 18:50:11,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24
[2021-11-13 18:50:11,146 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:50:11,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:50:11,147 INFO L85 PathProgramCache]: Analyzing trace with hash -301655084, now seen corresponding path program 1 times
[2021-11-13 18:50:11,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:50:11,147 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155144625]
[2021-11-13 18:50:11,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:50:11,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:50:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:50:11,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2784 backedges. 1623 proven. 14 refuted. 0 times theorem prover too weak. 1147 trivial. 0 not checked.
[2021-11-13 18:50:11,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:50:11,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155144625]
[2021-11-13 18:50:11,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155144625] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:50:11,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699242770]
[2021-11-13 18:50:11,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:50:11,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:50:11,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:50:11,262 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:50:11,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2021-11-13 18:50:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:50:11,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-11-13 18:50:11,442 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:50:12,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2784 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 2506 trivial. 0 not checked.
[2021-11-13 18:50:12,133 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2021-11-13 18:50:12,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699242770] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:50:12,133 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2021-11-13 18:50:12,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5
[2021-11-13 18:50:12,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829439654]
[2021-11-13 18:50:12,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:50:12,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:50:12,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:50:12,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:50:12,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:50:12,136 INFO L87 Difference]: Start difference. First operand 2548 states and 3399 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)
[2021-11-13 18:50:12,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:50:12,266 INFO L93 Difference]: Finished difference Result 5167 states and 6909 transitions.
[2021-11-13 18:50:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:50:12,266 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 512
[2021-11-13 18:50:12,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:50:12,272 INFO L225 Difference]: With dead ends: 5167
[2021-11-13 18:50:12,272 INFO L226 Difference]: Without dead ends: 2656
[2021-11-13 18:50:12,276 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 512 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-11-13 18:50:12,276 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 49 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 74.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.03ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 92.37ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:50:12,278 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 207 Invalid, 128 Unknown, 0 Unchecked, 1.03ms Time], IncrementalHoareTripleChecker [22 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 92.37ms Time]
[2021-11-13 18:50:12,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2656 states.
[2021-11-13 18:50:12,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2656 to 2653.
[2021-11-13 18:50:12,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2653 states, 2652 states have (on average 1.2861990950226245) internal successors, (3411), 2652 states have internal predecessors, (3411), 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)
[2021-11-13 18:50:12,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2653 states to 2653 states and 3411 transitions.
[2021-11-13 18:50:12,339 INFO L78 Accepts]: Start accepts. Automaton has 2653 states and 3411 transitions. Word has length 512
[2021-11-13 18:50:12,340 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:50:12,340 INFO L470 AbstractCegarLoop]: Abstraction has 2653 states and 3411 transitions.
[2021-11-13 18:50:12,340 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)
[2021-11-13 18:50:12,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2653 states and 3411 transitions.
[2021-11-13 18:50:12,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 624
[2021-11-13 18:50:12,349 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:50:12,349 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 21, 19, 19, 17, 17, 16, 16, 15, 15, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:50:12,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2021-11-13 18:50:12,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25
[2021-11-13 18:50:12,574 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:50:12,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:50:12,575 INFO L85 PathProgramCache]: Analyzing trace with hash 44620561, now seen corresponding path program 2 times
[2021-11-13 18:50:12,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:50:12,575 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453465850]
[2021-11-13 18:50:12,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:50:12,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:50:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:50:12,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4135 backedges. 2131 proven. 14 refuted. 0 times theorem prover too weak. 1990 trivial. 0 not checked.
[2021-11-13 18:50:12,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:50:12,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453465850]
[2021-11-13 18:50:12,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453465850] provided 0 perfect and 1 imperfect interpolant sequences
[2021-11-13 18:50:12,730 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027514968]
[2021-11-13 18:50:12,731 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-11-13 18:50:12,731 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:50:12,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:50:12,732 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 18:50:12,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2021-11-13 18:50:12,934 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-11-13 18:50:12,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2021-11-13 18:50:12,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-11-13 18:50:12,947 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:50:13,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4135 backedges. 2131 proven. 14 refuted. 0 times theorem prover too weak. 1990 trivial. 0 not checked.
[2021-11-13 18:50:13,823 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:50:14,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4135 backedges. 2131 proven. 14 refuted. 0 times theorem prover too weak. 1990 trivial. 0 not checked.
[2021-11-13 18:50:14,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027514968] provided 0 perfect and 2 imperfect interpolant sequences
[2021-11-13 18:50:14,812 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2021-11-13 18:50:14,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6
[2021-11-13 18:50:14,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966218834]
[2021-11-13 18:50:14,813 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2021-11-13 18:50:14,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 18:50:14,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:50:14,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 18:50:14,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2021-11-13 18:50:14,819 INFO L87 Difference]: Start difference. First operand 2653 states and 3411 transitions. Second operand has 6 states, 6 states have (on average 46.333333333333336) internal successors, (278), 6 states have internal predecessors, (278), 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)
[2021-11-13 18:50:15,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:50:15,006 INFO L93 Difference]: Finished difference Result 2888 states and 3708 transitions.
[2021-11-13 18:50:15,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-13 18:50:15,006 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 46.333333333333336) internal successors, (278), 6 states have internal predecessors, (278), 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 623
[2021-11-13 18:50:15,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:50:15,007 INFO L225 Difference]: With dead ends: 2888
[2021-11-13 18:50:15,007 INFO L226 Difference]: Without dead ends: 0
[2021-11-13 18:50:15,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1252 GetRequests, 1246 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56
[2021-11-13 18:50:15,010 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 111 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 127.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.79ms SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 157.85ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:50:15,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 296 Invalid, 256 Unknown, 0 Unchecked, 1.79ms Time], IncrementalHoareTripleChecker [37 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 157.85ms Time]
[2021-11-13 18:50:15,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-11-13 18:50:15,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-11-13 18:50:15,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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)
[2021-11-13 18:50:15,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-11-13 18:50:15,012 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 623
[2021-11-13 18:50:15,012 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:50:15,012 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 18:50:15,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 46.333333333333336) internal successors, (278), 6 states have internal predecessors, (278), 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)
[2021-11-13 18:50:15,013 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-11-13 18:50:15,013 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-11-13 18:50:15,015 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2021-11-13 18:50:15,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2021-11-13 18:50:15,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 18:50:15,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-11-13 18:50:18,132 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 403) no Hoare annotation was computed.
[2021-11-13 18:50:18,132 INFO L854 garLoopResultBuilder]: At program point L333(lines 87 562) the Hoare annotation is: false
[2021-11-13 18:50:18,132 INFO L858 garLoopResultBuilder]: For program point L399-2(lines 213 496) no Hoare annotation was computed.
[2021-11-13 18:50:18,133 INFO L858 garLoopResultBuilder]: For program point L234(lines 234 245) no Hoare annotation was computed.
[2021-11-13 18:50:18,133 INFO L858 garLoopResultBuilder]: For program point L234-2(lines 213 496) no Hoare annotation was computed.
[2021-11-13 18:50:18,133 INFO L858 garLoopResultBuilder]: For program point L532(lines 532 548) no Hoare annotation was computed.
[2021-11-13 18:50:18,133 INFO L858 garLoopResultBuilder]: For program point L533(lines 533 547) no Hoare annotation was computed.
[2021-11-13 18:50:18,133 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 370) no Hoare annotation was computed.
[2021-11-13 18:50:18,133 INFO L858 garLoopResultBuilder]: For program point L335(lines 335 337) no Hoare annotation was computed.
[2021-11-13 18:50:18,133 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 304) no Hoare annotation was computed.
[2021-11-13 18:50:18,133 INFO L858 garLoopResultBuilder]: For program point L236(lines 236 239) no Hoare annotation was computed.
[2021-11-13 18:50:18,133 INFO L858 garLoopResultBuilder]: For program point L302-2(lines 300 308) no Hoare annotation was computed.
[2021-11-13 18:50:18,134 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 501) no Hoare annotation was computed.
[2021-11-13 18:50:18,134 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 512) no Hoare annotation was computed.
[2021-11-13 18:50:18,134 INFO L858 garLoopResultBuilder]: For program point L137(lines 137 523) no Hoare annotation was computed.
[2021-11-13 18:50:18,134 INFO L858 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed.
[2021-11-13 18:50:18,134 INFO L858 garLoopResultBuilder]: For program point L534(lines 534 539) no Hoare annotation was computed.
[2021-11-13 18:50:18,134 INFO L858 garLoopResultBuilder]: For program point L534-2(lines 533 547) no Hoare annotation was computed.
[2021-11-13 18:50:18,135 INFO L854 garLoopResultBuilder]: At program point L204(lines 200 502) the Hoare annotation is: (let ((.cse1 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560)) (.cse0 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse2 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| 4560) .cse1 .cse2 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|)) (and (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse1 (not .cse0) .cse2)))
[2021-11-13 18:50:18,135 INFO L854 garLoopResultBuilder]: At program point L138(lines 134 524) the Hoare annotation is: (and (< |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4400) (< 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 1))
[2021-11-13 18:50:18,135 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 107) no Hoare annotation was computed.
[2021-11-13 18:50:18,135 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 538) no Hoare annotation was computed.
[2021-11-13 18:50:18,135 INFO L858 garLoopResultBuilder]: For program point L206(lines 206 500) no Hoare annotation was computed.
[2021-11-13 18:50:18,135 INFO L858 garLoopResultBuilder]: For program point L173(lines 173 511) no Hoare annotation was computed.
[2021-11-13 18:50:18,136 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 522) no Hoare annotation was computed.
[2021-11-13 18:50:18,136 INFO L858 garLoopResultBuilder]: For program point L372(lines 372 377) no Hoare annotation was computed.
[2021-11-13 18:50:18,136 INFO L858 garLoopResultBuilder]: For program point L372-2(lines 372 377) no Hoare annotation was computed.
[2021-11-13 18:50:18,136 INFO L858 garLoopResultBuilder]: For program point L240(lines 240 243) no Hoare annotation was computed.
[2021-11-13 18:50:18,136 INFO L854 garLoopResultBuilder]: At program point L207(lines 206 500) the Hoare annotation is: (let ((.cse1 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4352)) (.cse0 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse2 (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| 4560) .cse1 .cse2 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|)) (and (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse1 (not .cse0) .cse2 (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| 3))))
[2021-11-13 18:50:18,136 INFO L854 garLoopResultBuilder]: At program point L174(lines 164 514) the Hoare annotation is: (and (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4480) (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4))
[2021-11-13 18:50:18,137 INFO L858 garLoopResultBuilder]: For program point L472-1(lines 472 474) no Hoare annotation was computed.
[2021-11-13 18:50:18,137 INFO L858 garLoopResultBuilder]: For program point L274(lines 274 276) no Hoare annotation was computed.
[2021-11-13 18:50:18,137 INFO L861 garLoopResultBuilder]: At program point L572(lines 564 574) the Hoare annotation is: true
[2021-11-13 18:50:18,137 INFO L858 garLoopResultBuilder]: For program point L209(lines 209 499) no Hoare annotation was computed.
[2021-11-13 18:50:18,137 INFO L858 garLoopResultBuilder]: For program point L176(lines 176 510) no Hoare annotation was computed.
[2021-11-13 18:50:18,137 INFO L858 garLoopResultBuilder]: For program point L143(lines 143 521) no Hoare annotation was computed.
[2021-11-13 18:50:18,137 INFO L858 garLoopResultBuilder]: For program point L110-1(lines 87 562) no Hoare annotation was computed.
[2021-11-13 18:50:18,138 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 411) no Hoare annotation was computed.
[2021-11-13 18:50:18,138 INFO L861 garLoopResultBuilder]: At program point L210(lines 209 499) the Hoare annotation is: true
[2021-11-13 18:50:18,138 INFO L854 garLoopResultBuilder]: At program point L144(lines 140 522) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse1 (< 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse2 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432))) (or (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| 4560) (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4)) (and .cse0 .cse1 .cse2 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|))))
[2021-11-13 18:50:18,138 INFO L858 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed.
[2021-11-13 18:50:18,138 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 545) no Hoare annotation was computed.
[2021-11-13 18:50:18,138 INFO L858 garLoopResultBuilder]: For program point L443(lines 443 445) no Hoare annotation was computed.
[2021-11-13 18:50:18,139 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 346) no Hoare annotation was computed.
[2021-11-13 18:50:18,139 INFO L861 garLoopResultBuilder]: At program point L212(lines 211 499) the Hoare annotation is: true
[2021-11-13 18:50:18,139 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 509) no Hoare annotation was computed.
[2021-11-13 18:50:18,139 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 520) no Hoare annotation was computed.
[2021-11-13 18:50:18,139 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 531) no Hoare annotation was computed.
[2021-11-13 18:50:18,139 INFO L854 garLoopResultBuilder]: At program point L180(lines 176 510) the Hoare annotation is: (and (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4) (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4512))
[2021-11-13 18:50:18,140 INFO L854 garLoopResultBuilder]: At program point L114(lines 113 531) the Hoare annotation is: (and (= 12292 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0))
[2021-11-13 18:50:18,140 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 480) no Hoare annotation was computed.
[2021-11-13 18:50:18,140 INFO L858 garLoopResultBuilder]: For program point L478-2(lines 478 480) no Hoare annotation was computed.
[2021-11-13 18:50:18,140 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 450) no Hoare annotation was computed.
[2021-11-13 18:50:18,140 INFO L858 garLoopResultBuilder]: For program point L446-2(lines 446 450) no Hoare annotation was computed.
[2021-11-13 18:50:18,140 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 351) no Hoare annotation was computed.
[2021-11-13 18:50:18,141 INFO L858 garLoopResultBuilder]: For program point L281(lines 281 283) no Hoare annotation was computed.
[2021-11-13 18:50:18,141 INFO L858 garLoopResultBuilder]: For program point L347-2(lines 347 351) no Hoare annotation was computed.
[2021-11-13 18:50:18,141 INFO L858 garLoopResultBuilder]: For program point L281-2(lines 213 496) no Hoare annotation was computed.
[2021-11-13 18:50:18,141 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 508) no Hoare annotation was computed.
[2021-11-13 18:50:18,141 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 519) no Hoare annotation was computed.
[2021-11-13 18:50:18,141 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 530) no Hoare annotation was computed.
[2021-11-13 18:50:18,141 INFO L854 garLoopResultBuilder]: At program point L150(lines 146 520) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (< 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4432) (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4))
[2021-11-13 18:50:18,142 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 318) no Hoare annotation was computed.
[2021-11-13 18:50:18,142 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 253) no Hoare annotation was computed.
[2021-11-13 18:50:18,142 INFO L858 garLoopResultBuilder]: For program point L316-2(lines 213 496) no Hoare annotation was computed.
[2021-11-13 18:50:18,142 INFO L858 garLoopResultBuilder]: For program point L416(lines 416 418) no Hoare annotation was computed.
[2021-11-13 18:50:18,142 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 385) no Hoare annotation was computed.
[2021-11-13 18:50:18,142 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-11-13 18:50:18,143 INFO L854 garLoopResultBuilder]: At program point L218(lines 116 530) the Hoare annotation is: (and (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4352) (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0))
[2021-11-13 18:50:18,143 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 507) no Hoare annotation was computed.
[2021-11-13 18:50:18,143 INFO L858 garLoopResultBuilder]: For program point L152(lines 152 518) no Hoare annotation was computed.
[2021-11-13 18:50:18,143 INFO L858 garLoopResultBuilder]: For program point L119(lines 119 529) no Hoare annotation was computed.
[2021-11-13 18:50:18,143 INFO L854 garLoopResultBuilder]: At program point L186(lines 182 508) the Hoare annotation is: (and (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4) (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4512))
[2021-11-13 18:50:18,143 INFO L858 garLoopResultBuilder]: For program point L484(lines 484 486) no Hoare annotation was computed.
[2021-11-13 18:50:18,143 INFO L858 garLoopResultBuilder]: For program point L484-2(lines 484 486) no Hoare annotation was computed.
[2021-11-13 18:50:18,144 INFO L861 garLoopResultBuilder]: At program point L551(lines 109 552) the Hoare annotation is: true
[2021-11-13 18:50:18,144 INFO L858 garLoopResultBuilder]: For program point L287(lines 287 291) no Hoare annotation was computed.
[2021-11-13 18:50:18,144 INFO L858 garLoopResultBuilder]: For program point L287-2(lines 287 291) no Hoare annotation was computed.
[2021-11-13 18:50:18,144 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 506) no Hoare annotation was computed.
[2021-11-13 18:50:18,144 INFO L858 garLoopResultBuilder]: For program point L155(lines 155 517) no Hoare annotation was computed.
[2021-11-13 18:50:18,144 INFO L858 garLoopResultBuilder]: For program point L122(lines 122 528) no Hoare annotation was computed.
[2021-11-13 18:50:18,145 INFO L854 garLoopResultBuilder]: At program point L156(lines 152 518) the Hoare annotation is: (and (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4448) (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4))
[2021-11-13 18:50:18,145 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-11-13 18:50:18,145 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 225) no Hoare annotation was computed.
[2021-11-13 18:50:18,145 INFO L858 garLoopResultBuilder]: For program point L223-2(lines 223 225) no Hoare annotation was computed.
[2021-11-13 18:50:18,145 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 505) no Hoare annotation was computed.
[2021-11-13 18:50:18,145 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 516) no Hoare annotation was computed.
[2021-11-13 18:50:18,145 INFO L858 garLoopResultBuilder]: For program point L125(lines 125 527) no Hoare annotation was computed.
[2021-11-13 18:50:18,146 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 491) no Hoare annotation was computed.
[2021-11-13 18:50:18,146 INFO L858 garLoopResultBuilder]: For program point L456(lines 456 467) no Hoare annotation was computed.
[2021-11-13 18:50:18,146 INFO L858 garLoopResultBuilder]: For program point L423(lines 423 437) no Hoare annotation was computed.
[2021-11-13 18:50:18,146 INFO L858 garLoopResultBuilder]: For program point L423-1(lines 423 437) no Hoare annotation was computed.
[2021-11-13 18:50:18,146 INFO L858 garLoopResultBuilder]: For program point L456-2(lines 456 467) no Hoare annotation was computed.
[2021-11-13 18:50:18,146 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 327) no Hoare annotation was computed.
[2021-11-13 18:50:18,147 INFO L854 garLoopResultBuilder]: At program point L192(lines 188 506) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4528))) (or (and (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) .cse0 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4)) (and (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) (<= 4512 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) .cse0)))
[2021-11-13 18:50:18,147 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 558) no Hoare annotation was computed.
[2021-11-13 18:50:18,147 INFO L858 garLoopResultBuilder]: For program point L556-2(lines 556 558) no Hoare annotation was computed.
[2021-11-13 18:50:18,147 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-11-13 18:50:18,147 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 361) no Hoare annotation was computed.
[2021-11-13 18:50:18,147 INFO L858 garLoopResultBuilder]: For program point L194(lines 194 504) no Hoare annotation was computed.
[2021-11-13 18:50:18,147 INFO L858 garLoopResultBuilder]: For program point L161(lines 161 515) no Hoare annotation was computed.
[2021-11-13 18:50:18,148 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 526) no Hoare annotation was computed.
[2021-11-13 18:50:18,148 INFO L858 garLoopResultBuilder]: For program point L393(lines 393 395) no Hoare annotation was computed.
[2021-11-13 18:50:18,148 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 231) no Hoare annotation was computed.
[2021-11-13 18:50:18,148 INFO L854 garLoopResultBuilder]: At program point L162(lines 158 516) the Hoare annotation is: (and (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4464) (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4))
[2021-11-13 18:50:18,148 INFO L858 garLoopResultBuilder]: For program point L96(lines 96 102) no Hoare annotation was computed.
[2021-11-13 18:50:18,148 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 433) no Hoare annotation was computed.
[2021-11-13 18:50:18,149 INFO L858 garLoopResultBuilder]: For program point L262(lines 262 268) no Hoare annotation was computed.
[2021-11-13 18:50:18,149 INFO L858 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed.
[2021-11-13 18:50:18,149 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 503) no Hoare annotation was computed.
[2021-11-13 18:50:18,149 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 514) no Hoare annotation was computed.
[2021-11-13 18:50:18,149 INFO L858 garLoopResultBuilder]: For program point L131(lines 131 525) no Hoare annotation was computed.
[2021-11-13 18:50:18,149 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2021-11-13 18:50:18,150 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 560) no Hoare annotation was computed.
[2021-11-13 18:50:18,150 INFO L861 garLoopResultBuilder]: At program point L561(lines 22 563) the Hoare annotation is: true
[2021-11-13 18:50:18,150 INFO L854 garLoopResultBuilder]: At program point L198(lines 194 504) the Hoare annotation is: (let ((.cse0 (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse2 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| 4560) .cse2) (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4)) (and (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) (<= 4512 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) .cse2)))
[2021-11-13 18:50:18,150 INFO L854 garLoopResultBuilder]: At program point L132(lines 128 526) the Hoare annotation is: (and (< |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4400) (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0))
[2021-11-13 18:50:18,150 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 101) no Hoare annotation was computed.
[2021-11-13 18:50:18,150 INFO L858 garLoopResultBuilder]: For program point L99-2(lines 96 102) no Hoare annotation was computed.
[2021-11-13 18:50:18,151 INFO L858 garLoopResultBuilder]: For program point L298(lines 298 308) no Hoare annotation was computed.
[2021-11-13 18:50:18,151 INFO L858 garLoopResultBuilder]: For program point L265(lines 265 267) no Hoare annotation was computed.
[2021-11-13 18:50:18,151 INFO L858 garLoopResultBuilder]: For program point L298-2(lines 298 308) no Hoare annotation was computed.
[2021-11-13 18:50:18,151 INFO L858 garLoopResultBuilder]: For program point L265-2(lines 213 496) no Hoare annotation was computed.
[2021-11-13 18:50:18,151 INFO L854 garLoopResultBuilder]: At program point L497(lines 110 550) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0))) (let ((.cse6 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|)) (.cse3 (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| 4560)) (.cse7 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4352)) (.cse8 (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse9 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 3)) (.cse2 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4)) (.cse10 (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse4 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560)) (.cse12 (not .cse0)) (.cse5 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse11 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4528))) (or (and (<= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse5 .cse6) (and (= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 1)) (and .cse0 .cse3 .cse7 .cse8 .cse6) (and .cse9 .cse3) (and (= 4368 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (and .cse0 .cse3 .cse2 .cse10) (and .cse11 .cse7 .cse12 .cse8 (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| 3)) (and .cse0 .cse9 .cse11) (and .cse0 (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) .cse2) (and .cse0 .cse11 .cse10) (and .cse11 .cse4 .cse12 .cse5) (and .cse11 (<= 4512 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) .cse1))))
[2021-11-13 18:50:18,152 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 334) no Hoare annotation was computed.
[2021-11-13 18:50:18,152 INFO L858 garLoopResultBuilder]: For program point L200(lines 200 502) no Hoare annotation was computed.
[2021-11-13 18:50:18,152 INFO L858 garLoopResultBuilder]: For program point L167(lines 167 513) no Hoare annotation was computed.
[2021-11-13 18:50:18,152 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 524) no Hoare annotation was computed.
[2021-11-13 18:50:18,155 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:50:18,157 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 18:50:18,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:50:18 BoogieIcfgContainer
[2021-11-13 18:50:18,178 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 18:50:18,179 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 18:50:18,179 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 18:50:18,179 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 18:50:18,179 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:49:57" (3/4) ...
[2021-11-13 18:50:18,182 INFO L137 WitnessPrinter]: Generating witness for correct program
[2021-11-13 18:50:18,209 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2021-11-13 18:50:18,213 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2021-11-13 18:50:18,214 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2021-11-13 18:50:18,215 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-11-13 18:50:18,334 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/witness.graphml
[2021-11-13 18:50:18,334 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 18:50:18,335 INFO L158 Benchmark]: Toolchain (without parser) took 22045.46ms. Allocated memory was 107.0MB in the beginning and 383.8MB in the end (delta: 276.8MB). Free memory was 65.1MB in the beginning and 202.9MB in the end (delta: -137.8MB). Peak memory consumption was 138.3MB. Max. memory is 16.1GB.
[2021-11-13 18:50:18,335 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:50:18,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.10ms. Allocated memory is still 107.0MB. Free memory was 64.9MB in the beginning and 77.3MB in the end (delta: -12.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2021-11-13 18:50:18,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.23ms. Allocated memory is still 107.0MB. Free memory was 77.3MB in the beginning and 74.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2021-11-13 18:50:18,336 INFO L158 Benchmark]: Boogie Preprocessor took 65.14ms. Allocated memory is still 107.0MB. Free memory was 74.5MB in the beginning and 72.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:50:18,337 INFO L158 Benchmark]: RCFGBuilder took 720.65ms. Allocated memory is still 107.0MB. Free memory was 72.4MB in the beginning and 45.1MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
[2021-11-13 18:50:18,338 INFO L158 Benchmark]: TraceAbstraction took 20589.73ms. Allocated memory was 107.0MB in the beginning and 383.8MB in the end (delta: 276.8MB). Free memory was 44.8MB in the beginning and 212.3MB in the end (delta: -167.5MB). Peak memory consumption was 215.0MB. Max. memory is 16.1GB.
[2021-11-13 18:50:18,338 INFO L158 Benchmark]: Witness Printer took 155.99ms. Allocated memory is still 383.8MB. Free memory was 212.3MB in the beginning and 202.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 18:50:18,339 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28ms. Allocated memory is still 107.0MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 418.10ms. Allocated memory is still 107.0MB. Free memory was 64.9MB in the beginning and 77.3MB in the end (delta: -12.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 89.23ms. Allocated memory is still 107.0MB. Free memory was 77.3MB in the beginning and 74.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 65.14ms. Allocated memory is still 107.0MB. Free memory was 74.5MB in the beginning and 72.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 720.65ms. Allocated memory is still 107.0MB. Free memory was 72.4MB in the beginning and 45.1MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
* TraceAbstraction took 20589.73ms. Allocated memory was 107.0MB in the beginning and 383.8MB in the end (delta: 276.8MB). Free memory was 44.8MB in the beginning and 212.3MB in the end (delta: -167.5MB). Peak memory consumption was 215.0MB. Max. memory is 16.1GB.
* Witness Printer took 155.99ms. Allocated memory is still 383.8MB. Free memory was 212.3MB in the beginning and 202.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 560]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 128 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.5s, OverallIterations: 27, TraceHistogramMax: 22, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2566 SdHoareTripleChecker+Valid, 2747.45ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2566 mSDsluCounter, 7564 SdHoareTripleChecker+Invalid, 2156.11ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2724 mSDsCounter, 668 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2758 IncrementalHoareTripleChecker+Invalid, 3426 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 668 mSolverCounterUnsat, 4840 mSDtfsCounter, 2758 mSolverCounterSat, 54.52ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3827 GetRequests, 3782 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5789occurred in iteration=23, InterpolantAutomatonStates: 89, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 27 MinimizatonAttempts, 4069 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 22 PreInvPairs, 155 NumberOfFragments, 425 HoareAnnotationTreeSize, 22 FomulaSimplifications, 4906 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 22 FomulaSimplificationsInter, 6975 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 8796 NumberOfCodeBlocks, 8796 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 10119 ConstructedInterpolants, 0 QuantifiedInterpolants, 13441 SizeOfPredicates, 3 NumberOfNonLiveVariables, 4093 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 35 InterpolantComputations, 24 PerfectInterpolantSequences, 46523/46638 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
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 176]: Loop Invariant
Derived loop invariant: ((4432 <= s__state && s__hit == 0) && blastFlag <= 4) && s__state <= 4512
- InvariantResult [Line: 22]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 113]: Loop Invariant
Derived loop invariant: 12292 == s__state && blastFlag == 0
- InvariantResult [Line: 110]: Loop Invariant
Derived loop invariant: ((((((((((((((4432 <= s__state && s__hit == 0) && s__state <= 4528) && blastFlag <= 4) || ((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && 4560 <= s__state) && 4560 <= s__s3__tmp__next_state___0)) || (4384 == s__state && blastFlag == 1)) || ((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4352) && 4352 <= s__state) && 4560 <= s__s3__tmp__next_state___0)) || (s__state <= 3 && s__s3__tmp__next_state___0 <= 4560)) || (4368 == s__state && blastFlag == 0)) || (((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && blastFlag <= 4) && 4400 == s__state)) || ((((2 == blastFlag && s__state <= 4352) && !(s__hit == 0)) && 4352 <= s__state) && s__s3__tmp__next_state___0 <= 3)) || ((s__hit == 0 && s__state <= 3) && 2 == blastFlag)) || ((s__hit == 0 && 4416 == s__state) && blastFlag <= 4)) || ((s__hit == 0 && 2 == blastFlag) && 4400 == s__state)) || (((2 == blastFlag && s__state <= 4560) && !(s__hit == 0)) && 4560 <= s__state)) || ((2 == blastFlag && 4512 <= s__state) && s__state <= 4528)
- InvariantResult [Line: 194]: Loop Invariant
Derived loop invariant: ((((4432 <= s__state && s__hit == 0) && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) || (((4432 <= s__state && s__hit == 0) && s__state <= 4560) && blastFlag <= 4)) || ((2 == blastFlag && 4512 <= s__state) && s__state <= 4560)
- InvariantResult [Line: 564]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 206]: Loop Invariant
Derived loop invariant: ((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4352) && 4352 <= s__state) && 4560 <= s__s3__tmp__next_state___0) || ((((2 == blastFlag && s__state <= 4352) && !(s__hit == 0)) && 4352 <= s__state) && s__s3__tmp__next_state___0 <= 3)
- InvariantResult [Line: 211]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 116]: Loop Invariant
Derived loop invariant: s__state <= 4352 && blastFlag == 0
- InvariantResult [Line: 140]: Loop Invariant
Derived loop invariant: ((((s__hit == 0 && 4368 < s__state) && s__state <= 4432) && s__s3__tmp__next_state___0 <= 4560) && blastFlag <= 4) || (((s__hit == 0 && 4368 < s__state) && s__state <= 4432) && 2 == blastFlag)
- InvariantResult [Line: 200]: Loop Invariant
Derived loop invariant: ((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && s__state <= 4560) && 4560 <= s__state) && 4560 <= s__s3__tmp__next_state___0) || (((2 == blastFlag && s__state <= 4560) && !(s__hit == 0)) && 4560 <= s__state)
- InvariantResult [Line: 209]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 128]: Loop Invariant
Derived loop invariant: (s__state < 4400 && 4352 <= s__state) && blastFlag == 0
- InvariantResult [Line: 152]: Loop Invariant
Derived loop invariant: ((4432 <= s__state && s__hit == 0) && s__state <= 4448) && blastFlag <= 4
- InvariantResult [Line: 188]: Loop Invariant
Derived loop invariant: (((4432 <= s__state && s__hit == 0) && s__state <= 4528) && blastFlag <= 4) || ((2 == blastFlag && 4512 <= s__state) && s__state <= 4528)
- InvariantResult [Line: 164]: Loop Invariant
Derived loop invariant: ((4432 <= s__state && s__hit == 0) && s__state <= 4480) && blastFlag <= 4
- InvariantResult [Line: 87]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 134]: Loop Invariant
Derived loop invariant: (s__state < 4400 && 4368 < s__state) && blastFlag == 1
- InvariantResult [Line: 146]: Loop Invariant
Derived loop invariant: ((s__hit == 0 && 4368 < s__state) && s__state <= 4432) && blastFlag <= 4
- InvariantResult [Line: 109]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 182]: Loop Invariant
Derived loop invariant: ((4432 <= s__state && s__hit == 0) && blastFlag <= 4) && s__state <= 4512
- InvariantResult [Line: 158]: Loop Invariant
Derived loop invariant: ((4432 <= s__state && s__hit == 0) && s__state <= 4464) && blastFlag <= 4
RESULT: Ultimate proved your program to be correct!
[2021-11-13 18:50:18,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f50468c1-afd7-4f1d-b2fe-a4196ed972cf/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE