./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label39.c --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version 7b2dab56
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd21f9a8-c2c4-4c2c-964c-4a3afd653fe4/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd21f9a8-c2c4-4c2c-964c-4a3afd653fe4/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd21f9a8-c2c4-4c2c-964c-4a3afd653fe4/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd21f9a8-c2c4-4c2c-964c-4a3afd653fe4/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label39.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd21f9a8-c2c4-4c2c-964c-4a3afd653fe4/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd21f9a8-c2c4-4c2c-964c-4a3afd653fe4/bin/uautomizer-Z5i5R5N3CC --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 84a6ad2db8111b8f127eba67b6f3c05b2a795f20
............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.0-7b2dab5
[2021-10-11 00:32:12,902 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-11 00:32:12,904 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-11 00:32:12,939 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-11 00:32:12,940 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-11 00:32:12,941 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-11 00:32:12,943 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-11 00:32:12,946 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-11 00:32:12,948 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-11 00:32:12,949 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-11 00:32:12,951 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-11 00:32:12,952 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-11 00:32:12,953 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-11 00:32:12,954 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-11 00:32:12,956 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-11 00:32:12,957 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-11 00:32:12,959 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-11 00:32:12,960 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-11 00:32:12,962 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-11 00:32:12,965 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-11 00:32:12,967 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-11 00:32:12,969 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-11 00:32:12,971 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-11 00:32:12,972 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-11 00:32:12,976 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-11 00:32:12,976 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-11 00:32:12,977 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-11 00:32:12,978 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-11 00:32:12,979 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-11 00:32:12,980 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-11 00:32:12,981 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-11 00:32:12,982 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-11 00:32:12,983 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-11 00:32:12,986 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-11 00:32:12,987 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-11 00:32:12,989 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-11 00:32:12,990 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-11 00:32:12,991 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-11 00:32:12,992 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-11 00:32:12,994 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-11 00:32:12,995 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-11 00:32:12,996 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd21f9a8-c2c4-4c2c-964c-4a3afd653fe4/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-11 00:32:13,037 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-11 00:32:13,038 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-11 00:32:13,039 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-11 00:32:13,039 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-11 00:32:13,040 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-11 00:32:13,040 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-11 00:32:13,040 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-11 00:32:13,040 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-11 00:32:13,041 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-11 00:32:13,041 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-11 00:32:13,041 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-11 00:32:13,041 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-11 00:32:13,042 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-11 00:32:13,042 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-11 00:32:13,042 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-11 00:32:13,042 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-11 00:32:13,043 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-11 00:32:13,043 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-11 00:32:13,043 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-11 00:32:13,043 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-11 00:32:13,044 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:32:13,044 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-11 00:32:13,044 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-11 00:32:13,044 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-11 00:32:13,045 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-11 00:32:13,045 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-11 00:32:13,045 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-11 00:32:13,045 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-11 00:32:13,046 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_bd21f9a8-c2c4-4c2c-964c-4a3afd653fe4/bin/uautomizer-Z5i5R5N3CC/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_bd21f9a8-c2c4-4c2c-964c-4a3afd653fe4/bin/uautomizer-Z5i5R5N3CC
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 -> 84a6ad2db8111b8f127eba67b6f3c05b2a795f20
[2021-10-11 00:32:13,313 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-11 00:32:13,351 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-11 00:32:13,354 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-11 00:32:13,355 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-11 00:32:13,356 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-11 00:32:13,358 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd21f9a8-c2c4-4c2c-964c-4a3afd653fe4/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/eca-rers2012/Problem02_label39.c
[2021-10-11 00:32:13,440 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd21f9a8-c2c4-4c2c-964c-4a3afd653fe4/bin/uautomizer-Z5i5R5N3CC/data/5d88a4c0e/0a6da18abafd453fa8b433ab03a9d32a/FLAGc4036c09b
[2021-10-11 00:32:14,006 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-11 00:32:14,006 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd21f9a8-c2c4-4c2c-964c-4a3afd653fe4/sv-benchmarks/c/eca-rers2012/Problem02_label39.c
[2021-10-11 00:32:14,035 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd21f9a8-c2c4-4c2c-964c-4a3afd653fe4/bin/uautomizer-Z5i5R5N3CC/data/5d88a4c0e/0a6da18abafd453fa8b433ab03a9d32a/FLAGc4036c09b
[2021-10-11 00:32:14,260 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd21f9a8-c2c4-4c2c-964c-4a3afd653fe4/bin/uautomizer-Z5i5R5N3CC/data/5d88a4c0e/0a6da18abafd453fa8b433ab03a9d32a
[2021-10-11 00:32:14,262 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-11 00:32:14,263 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-11 00:32:14,265 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-11 00:32:14,265 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-11 00:32:14,268 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-11 00:32:14,269 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:14" (1/1) ...
[2021-10-11 00:32:14,271 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b3f2f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:14, skipping insertion in model container
[2021-10-11 00:32:14,271 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:14" (1/1) ...
[2021-10-11 00:32:14,278 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-11 00:32:14,361 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-11 00:32:14,689 WARN  L226   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_bd21f9a8-c2c4-4c2c-964c-4a3afd653fe4/sv-benchmarks/c/eca-rers2012/Problem02_label39.c[18036,18049]
[2021-10-11 00:32:14,733 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:32:14,743 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-11 00:32:14,865 WARN  L226   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_bd21f9a8-c2c4-4c2c-964c-4a3afd653fe4/sv-benchmarks/c/eca-rers2012/Problem02_label39.c[18036,18049]
[2021-10-11 00:32:14,878 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:32:14,905 INFO  L208         MainTranslator]: Completed translation
[2021-10-11 00:32:14,906 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:14 WrapperNode
[2021-10-11 00:32:14,906 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-11 00:32:14,908 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-11 00:32:14,908 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-11 00:32:14,910 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-11 00:32:14,918 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:14" (1/1) ...
[2021-10-11 00:32:14,948 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:14" (1/1) ...
[2021-10-11 00:32:15,022 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-11 00:32:15,022 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-11 00:32:15,023 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-11 00:32:15,023 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-11 00:32:15,029 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:14" (1/1) ...
[2021-10-11 00:32:15,029 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:14" (1/1) ...
[2021-10-11 00:32:15,033 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:14" (1/1) ...
[2021-10-11 00:32:15,033 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:14" (1/1) ...
[2021-10-11 00:32:15,055 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:14" (1/1) ...
[2021-10-11 00:32:15,065 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:14" (1/1) ...
[2021-10-11 00:32:15,073 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:14" (1/1) ...
[2021-10-11 00:32:15,083 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-11 00:32:15,084 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-11 00:32:15,084 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-11 00:32:15,084 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-11 00:32:15,085 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:14" (1/1) ...
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd21f9a8-c2c4-4c2c-964c-4a3afd653fe4/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:32:15,212 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-11 00:32:15,212 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-11 00:32:15,213 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-11 00:32:15,213 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-11 00:32:16,395 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-11 00:32:16,396 INFO  L299             CfgBuilder]: Removed 7 assume(true) statements.
[2021-10-11 00:32:16,399 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:16 BoogieIcfgContainer
[2021-10-11 00:32:16,399 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-11 00:32:16,403 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-11 00:32:16,403 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-11 00:32:16,407 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-11 00:32:16,407 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:32:14" (1/3) ...
[2021-10-11 00:32:16,408 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26cf0389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:16, skipping insertion in model container
[2021-10-11 00:32:16,409 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:14" (2/3) ...
[2021-10-11 00:32:16,409 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26cf0389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:16, skipping insertion in model container
[2021-10-11 00:32:16,409 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:16" (3/3) ...
[2021-10-11 00:32:16,411 INFO  L111   eAbstractionObserver]: Analyzing ICFG Problem02_label39.c
[2021-10-11 00:32:16,426 INFO  L180   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-11 00:32:16,430 INFO  L192   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-10-11 00:32:16,441 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-11 00:32:16,475 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2021-10-11 00:32:16,476 INFO  L378      AbstractCegarLoop]: Hoare is true
[2021-10-11 00:32:16,476 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-10-11 00:32:16,476 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-11 00:32:16,476 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-11 00:32:16,480 INFO  L382      AbstractCegarLoop]: Difference is false
[2021-10-11 00:32:16,481 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-11 00:32:16,481 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-10-11 00:32:16,505 INFO  L276                IsEmpty]: Start isEmpty. Operand 227 states.
[2021-10-11 00:32:16,525 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2021-10-11 00:32:16,525 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:32:16,526 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:32:16,526 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:32:16,532 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:32:16,533 INFO  L82        PathProgramCache]: Analyzing trace with hash -1738135197, now seen corresponding path program 1 times
[2021-10-11 00:32:16,542 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:32:16,542 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587440255]
[2021-10-11 00:32:16,543 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:32:16,787 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:32:17,048 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:32:17,050 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587440255]
[2021-10-11 00:32:17,050 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:32:17,051 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:32:17,051 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478462925]
[2021-10-11 00:32:17,058 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:32:17,058 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:32:17,073 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:32:17,074 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:32:17,076 INFO  L87              Difference]: Start difference. First operand 227 states. Second operand 3 states.
[2021-10-11 00:32:18,066 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:32:18,067 INFO  L93              Difference]: Finished difference Result 630 states and 1070 transitions.
[2021-10-11 00:32:18,067 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:32:18,068 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 111
[2021-10-11 00:32:18,069 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:32:18,084 INFO  L225             Difference]: With dead ends: 630
[2021-10-11 00:32:18,084 INFO  L226             Difference]: Without dead ends: 318
[2021-10-11 00:32:18,088 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:32:18,104 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 318 states.
[2021-10-11 00:32:18,147 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318.
[2021-10-11 00:32:18,148 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 318 states.
[2021-10-11 00:32:18,150 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 467 transitions.
[2021-10-11 00:32:18,151 INFO  L78                 Accepts]: Start accepts. Automaton has 318 states and 467 transitions. Word has length 111
[2021-10-11 00:32:18,152 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:32:18,152 INFO  L481      AbstractCegarLoop]: Abstraction has 318 states and 467 transitions.
[2021-10-11 00:32:18,152 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:32:18,153 INFO  L276                IsEmpty]: Start isEmpty. Operand 318 states and 467 transitions.
[2021-10-11 00:32:18,156 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 116
[2021-10-11 00:32:18,156 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:32:18,156 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:32:18,157 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-11 00:32:18,157 INFO  L429      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:32:18,158 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:32:18,158 INFO  L82        PathProgramCache]: Analyzing trace with hash -215551336, now seen corresponding path program 1 times
[2021-10-11 00:32:18,158 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:32:18,158 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612803893]
[2021-10-11 00:32:18,159 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:32:18,180 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:32:18,251 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:32:18,252 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612803893]
[2021-10-11 00:32:18,252 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:32:18,252 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:32:18,253 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333000274]
[2021-10-11 00:32:18,254 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:32:18,254 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:32:18,255 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:32:18,256 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:32:18,256 INFO  L87              Difference]: Start difference. First operand 318 states and 467 transitions. Second operand 3 states.
[2021-10-11 00:32:18,839 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:32:18,839 INFO  L93              Difference]: Finished difference Result 919 states and 1357 transitions.
[2021-10-11 00:32:18,839 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:32:18,840 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 115
[2021-10-11 00:32:18,840 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:32:18,845 INFO  L225             Difference]: With dead ends: 919
[2021-10-11 00:32:18,845 INFO  L226             Difference]: Without dead ends: 603
[2021-10-11 00:32:18,847 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:32:18,849 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 603 states.
[2021-10-11 00:32:18,875 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 601.
[2021-10-11 00:32:18,875 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 601 states.
[2021-10-11 00:32:18,877 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 776 transitions.
[2021-10-11 00:32:18,878 INFO  L78                 Accepts]: Start accepts. Automaton has 601 states and 776 transitions. Word has length 115
[2021-10-11 00:32:18,878 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:32:18,878 INFO  L481      AbstractCegarLoop]: Abstraction has 601 states and 776 transitions.
[2021-10-11 00:32:18,878 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:32:18,879 INFO  L276                IsEmpty]: Start isEmpty. Operand 601 states and 776 transitions.
[2021-10-11 00:32:18,883 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2021-10-11 00:32:18,884 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:32:18,884 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:32:18,884 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-11 00:32:18,884 INFO  L429      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:32:18,885 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:32:18,885 INFO  L82        PathProgramCache]: Analyzing trace with hash -485950035, now seen corresponding path program 1 times
[2021-10-11 00:32:18,886 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:32:18,886 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222556221]
[2021-10-11 00:32:18,886 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:32:18,908 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:32:18,960 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:32:18,960 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222556221]
[2021-10-11 00:32:18,960 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765048485]
[2021-10-11 00:32:18,961 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd21f9a8-c2c4-4c2c-964c-4a3afd653fe4/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-11 00:32:19,078 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:32:19,080 INFO  L263         TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-10-11 00:32:19,089 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-11 00:32:19,282 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2021-10-11 00:32:19,282 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2021-10-11 00:32:19,283 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2021-10-11 00:32:19,283 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086918806]
[2021-10-11 00:32:19,284 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:32:19,284 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:32:19,284 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:32:19,285 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:32:19,285 INFO  L87              Difference]: Start difference. First operand 601 states and 776 transitions. Second operand 3 states.
[2021-10-11 00:32:19,807 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:32:19,807 INFO  L93              Difference]: Finished difference Result 1486 states and 1973 transitions.
[2021-10-11 00:32:19,807 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:32:19,808 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 120
[2021-10-11 00:32:19,812 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:32:19,823 INFO  L225             Difference]: With dead ends: 1486
[2021-10-11 00:32:19,824 INFO  L226             Difference]: Without dead ends: 887
[2021-10-11 00:32:19,825 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:32:19,827 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 887 states.
[2021-10-11 00:32:19,860 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 885.
[2021-10-11 00:32:19,860 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 885 states.
[2021-10-11 00:32:19,864 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1155 transitions.
[2021-10-11 00:32:19,864 INFO  L78                 Accepts]: Start accepts. Automaton has 885 states and 1155 transitions. Word has length 120
[2021-10-11 00:32:19,865 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:32:19,865 INFO  L481      AbstractCegarLoop]: Abstraction has 885 states and 1155 transitions.
[2021-10-11 00:32:19,865 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:32:19,865 INFO  L276                IsEmpty]: Start isEmpty. Operand 885 states and 1155 transitions.
[2021-10-11 00:32:19,877 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 122
[2021-10-11 00:32:19,877 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:32:19,878 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:32:20,092 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2021-10-11 00:32:20,093 INFO  L429      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:32:20,093 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:32:20,093 INFO  L82        PathProgramCache]: Analyzing trace with hash 63576167, now seen corresponding path program 1 times
[2021-10-11 00:32:20,094 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:32:20,094 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412980304]
[2021-10-11 00:32:20,094 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:32:20,112 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:32:20,148 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:32:20,148 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412980304]
[2021-10-11 00:32:20,148 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:32:20,149 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:32:20,149 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114789244]
[2021-10-11 00:32:20,149 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:32:20,150 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:32:20,150 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:32:20,151 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:32:20,151 INFO  L87              Difference]: Start difference. First operand 885 states and 1155 transitions. Second operand 3 states.
[2021-10-11 00:32:20,657 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:32:20,657 INFO  L93              Difference]: Finished difference Result 2469 states and 3250 transitions.
[2021-10-11 00:32:20,657 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:32:20,657 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 121
[2021-10-11 00:32:20,658 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:32:20,666 INFO  L225             Difference]: With dead ends: 2469
[2021-10-11 00:32:20,666 INFO  L226             Difference]: Without dead ends: 1586
[2021-10-11 00:32:20,668 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:32:20,670 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1586 states.
[2021-10-11 00:32:20,710 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1586.
[2021-10-11 00:32:20,710 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1586 states.
[2021-10-11 00:32:20,717 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 1996 transitions.
[2021-10-11 00:32:20,717 INFO  L78                 Accepts]: Start accepts. Automaton has 1586 states and 1996 transitions. Word has length 121
[2021-10-11 00:32:20,718 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:32:20,718 INFO  L481      AbstractCegarLoop]: Abstraction has 1586 states and 1996 transitions.
[2021-10-11 00:32:20,718 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:32:20,718 INFO  L276                IsEmpty]: Start isEmpty. Operand 1586 states and 1996 transitions.
[2021-10-11 00:32:20,723 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 127
[2021-10-11 00:32:20,724 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:32:20,724 INFO  L422         BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:32:20,724 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-11 00:32:20,724 INFO  L429      AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:32:20,726 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:32:20,726 INFO  L82        PathProgramCache]: Analyzing trace with hash -823096665, now seen corresponding path program 1 times
[2021-10-11 00:32:20,726 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:32:20,726 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690969250]
[2021-10-11 00:32:20,727 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:32:20,763 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:32:20,858 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2021-10-11 00:32:20,858 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690969250]
[2021-10-11 00:32:20,858 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614306029]
[2021-10-11 00:32:20,858 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd21f9a8-c2c4-4c2c-964c-4a3afd653fe4/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-11 00:32:20,950 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:32:20,952 INFO  L263         TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-10-11 00:32:20,966 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-11 00:32:21,078 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2021-10-11 00:32:21,078 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2021-10-11 00:32:21,078 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4
[2021-10-11 00:32:21,079 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768213643]
[2021-10-11 00:32:21,079 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:32:21,079 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:32:21,080 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:32:21,080 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:32:21,080 INFO  L87              Difference]: Start difference. First operand 1586 states and 1996 transitions. Second operand 3 states.
[2021-10-11 00:32:21,403 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:32:21,404 INFO  L93              Difference]: Finished difference Result 3018 states and 3825 transitions.
[2021-10-11 00:32:21,404 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:32:21,404 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 126
[2021-10-11 00:32:21,404 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:32:21,412 INFO  L225             Difference]: With dead ends: 3018
[2021-10-11 00:32:21,412 INFO  L226             Difference]: Without dead ends: 1434
[2021-10-11 00:32:21,415 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:32:21,417 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1434 states.
[2021-10-11 00:32:21,452 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1434 to 1434.
[2021-10-11 00:32:21,452 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1434 states.
[2021-10-11 00:32:21,458 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 1786 transitions.
[2021-10-11 00:32:21,458 INFO  L78                 Accepts]: Start accepts. Automaton has 1434 states and 1786 transitions. Word has length 126
[2021-10-11 00:32:21,459 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:32:21,459 INFO  L481      AbstractCegarLoop]: Abstraction has 1434 states and 1786 transitions.
[2021-10-11 00:32:21,459 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:32:21,459 INFO  L276                IsEmpty]: Start isEmpty. Operand 1434 states and 1786 transitions.
[2021-10-11 00:32:21,463 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 141
[2021-10-11 00:32:21,463 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:32:21,463 INFO  L422         BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:32:21,688 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-11 00:32:21,689 INFO  L429      AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:32:21,689 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:32:21,689 INFO  L82        PathProgramCache]: Analyzing trace with hash -297769562, now seen corresponding path program 1 times
[2021-10-11 00:32:21,689 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:32:21,690 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633157119]
[2021-10-11 00:32:21,690 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:32:21,710 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:32:21,804 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:32:21,804 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633157119]
[2021-10-11 00:32:21,805 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:32:21,805 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-11 00:32:21,806 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197322728]
[2021-10-11 00:32:21,808 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-10-11 00:32:21,809 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:32:21,819 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-11 00:32:21,819 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:32:21,820 INFO  L87              Difference]: Start difference. First operand 1434 states and 1786 transitions. Second operand 5 states.
[2021-10-11 00:32:22,710 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:32:22,711 INFO  L93              Difference]: Finished difference Result 3611 states and 4481 transitions.
[2021-10-11 00:32:22,712 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-11 00:32:22,712 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 140
[2021-10-11 00:32:22,712 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:32:22,723 INFO  L225             Difference]: With dead ends: 3611
[2021-10-11 00:32:22,723 INFO  L226             Difference]: Without dead ends: 2033
[2021-10-11 00:32:22,750 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2021-10-11 00:32:22,752 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2033 states.
[2021-10-11 00:32:22,790 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2033 to 1434.
[2021-10-11 00:32:22,790 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1434 states.
[2021-10-11 00:32:22,795 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 1692 transitions.
[2021-10-11 00:32:22,796 INFO  L78                 Accepts]: Start accepts. Automaton has 1434 states and 1692 transitions. Word has length 140
[2021-10-11 00:32:22,798 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:32:22,798 INFO  L481      AbstractCegarLoop]: Abstraction has 1434 states and 1692 transitions.
[2021-10-11 00:32:22,798 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2021-10-11 00:32:22,799 INFO  L276                IsEmpty]: Start isEmpty. Operand 1434 states and 1692 transitions.
[2021-10-11 00:32:22,802 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 145
[2021-10-11 00:32:22,802 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:32:22,802 INFO  L422         BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:32:22,802 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2021-10-11 00:32:22,803 INFO  L429      AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:32:22,803 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:32:22,803 INFO  L82        PathProgramCache]: Analyzing trace with hash -1227064464, now seen corresponding path program 1 times
[2021-10-11 00:32:22,803 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:32:22,804 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833864999]
[2021-10-11 00:32:22,804 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:32:22,839 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:32:22,961 INFO  L134       CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:32:22,961 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833864999]
[2021-10-11 00:32:22,962 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609021330]
[2021-10-11 00:32:22,962 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd21f9a8-c2c4-4c2c-964c-4a3afd653fe4/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-11 00:32:23,053 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:32:23,054 INFO  L263         TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-10-11 00:32:23,071 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-11 00:32:23,214 INFO  L134       CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2021-10-11 00:32:23,214 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2021-10-11 00:32:23,214 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6
[2021-10-11 00:32:23,214 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567080193]
[2021-10-11 00:32:23,215 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:32:23,215 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:32:23,215 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:32:23,216 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-10-11 00:32:23,216 INFO  L87              Difference]: Start difference. First operand 1434 states and 1692 transitions. Second operand 3 states.
[2021-10-11 00:32:23,641 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:32:23,641 INFO  L93              Difference]: Finished difference Result 2724 states and 3236 transitions.
[2021-10-11 00:32:23,642 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:32:23,642 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 144
[2021-10-11 00:32:23,643 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:32:23,650 INFO  L225             Difference]: With dead ends: 2724
[2021-10-11 00:32:23,650 INFO  L226             Difference]: Without dead ends: 1432
[2021-10-11 00:32:23,652 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2021-10-11 00:32:23,654 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1432 states.
[2021-10-11 00:32:23,682 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1432.
[2021-10-11 00:32:23,683 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1432 states.
[2021-10-11 00:32:23,687 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 1607 transitions.
[2021-10-11 00:32:23,688 INFO  L78                 Accepts]: Start accepts. Automaton has 1432 states and 1607 transitions. Word has length 144
[2021-10-11 00:32:23,688 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:32:23,688 INFO  L481      AbstractCegarLoop]: Abstraction has 1432 states and 1607 transitions.
[2021-10-11 00:32:23,688 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:32:23,688 INFO  L276                IsEmpty]: Start isEmpty. Operand 1432 states and 1607 transitions.
[2021-10-11 00:32:23,692 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 152
[2021-10-11 00:32:23,692 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:32:23,692 INFO  L422         BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:32:23,913 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-11 00:32:23,913 INFO  L429      AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:32:23,914 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:32:23,914 INFO  L82        PathProgramCache]: Analyzing trace with hash -35348223, now seen corresponding path program 1 times
[2021-10-11 00:32:23,914 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:32:23,914 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2685710]
[2021-10-11 00:32:23,914 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:32:23,935 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:32:24,025 INFO  L134       CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:32:24,029 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2685710]
[2021-10-11 00:32:24,030 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:32:24,030 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:32:24,031 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598823819]
[2021-10-11 00:32:24,031 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:32:24,032 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:32:24,032 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:32:24,032 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:32:24,033 INFO  L87              Difference]: Start difference. First operand 1432 states and 1607 transitions. Second operand 3 states.
[2021-10-11 00:32:24,483 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:32:24,483 INFO  L93              Difference]: Finished difference Result 3572 states and 4035 transitions.
[2021-10-11 00:32:24,484 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:32:24,484 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 151
[2021-10-11 00:32:24,484 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:32:24,495 INFO  L225             Difference]: With dead ends: 3572
[2021-10-11 00:32:24,495 INFO  L226             Difference]: Without dead ends: 2282
[2021-10-11 00:32:24,498 INFO  L677         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
[2021-10-11 00:32:24,501 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2282 states.
[2021-10-11 00:32:24,543 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2282 to 2275.
[2021-10-11 00:32:24,544 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2275 states.
[2021-10-11 00:32:24,552 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2275 states to 2275 states and 2496 transitions.
[2021-10-11 00:32:24,552 INFO  L78                 Accepts]: Start accepts. Automaton has 2275 states and 2496 transitions. Word has length 151
[2021-10-11 00:32:24,553 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:32:24,553 INFO  L481      AbstractCegarLoop]: Abstraction has 2275 states and 2496 transitions.
[2021-10-11 00:32:24,553 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:32:24,553 INFO  L276                IsEmpty]: Start isEmpty. Operand 2275 states and 2496 transitions.
[2021-10-11 00:32:24,557 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2021-10-11 00:32:24,557 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:32:24,557 INFO  L422         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:32:24,557 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-10-11 00:32:24,557 INFO  L429      AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:32:24,558 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:32:24,558 INFO  L82        PathProgramCache]: Analyzing trace with hash 994413361, now seen corresponding path program 1 times
[2021-10-11 00:32:24,558 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:32:24,559 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695559605]
[2021-10-11 00:32:24,559 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:32:24,580 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:32:24,634 INFO  L134       CoverageAnalysis]: Checked inductivity of 70 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2021-10-11 00:32:24,634 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695559605]
[2021-10-11 00:32:24,635 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:32:24,635 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:32:24,635 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496161074]
[2021-10-11 00:32:24,635 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:32:24,636 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:32:24,636 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:32:24,637 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:32:24,640 INFO  L87              Difference]: Start difference. First operand 2275 states and 2496 transitions. Second operand 3 states.
[2021-10-11 00:32:25,110 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:32:25,110 INFO  L93              Difference]: Finished difference Result 3120 states and 3416 transitions.
[2021-10-11 00:32:25,111 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:32:25,111 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 154
[2021-10-11 00:32:25,111 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:32:25,117 INFO  L225             Difference]: With dead ends: 3120
[2021-10-11 00:32:25,117 INFO  L226             Difference]: Without dead ends: 1137
[2021-10-11 00:32:25,119 INFO  L677         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
[2021-10-11 00:32:25,121 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1137 states.
[2021-10-11 00:32:25,142 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1137.
[2021-10-11 00:32:25,142 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1137 states.
[2021-10-11 00:32:25,145 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1200 transitions.
[2021-10-11 00:32:25,146 INFO  L78                 Accepts]: Start accepts. Automaton has 1137 states and 1200 transitions. Word has length 154
[2021-10-11 00:32:25,146 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:32:25,146 INFO  L481      AbstractCegarLoop]: Abstraction has 1137 states and 1200 transitions.
[2021-10-11 00:32:25,146 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:32:25,146 INFO  L276                IsEmpty]: Start isEmpty. Operand 1137 states and 1200 transitions.
[2021-10-11 00:32:25,149 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 190
[2021-10-11 00:32:25,149 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:32:25,150 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:32:25,151 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2021-10-11 00:32:25,151 INFO  L429      AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:32:25,151 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:32:25,151 INFO  L82        PathProgramCache]: Analyzing trace with hash -1685031397, now seen corresponding path program 1 times
[2021-10-11 00:32:25,151 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:32:25,152 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776269195]
[2021-10-11 00:32:25,152 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:32:25,180 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:32:25,260 INFO  L134       CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:32:25,260 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776269195]
[2021-10-11 00:32:25,260 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:32:25,260 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:32:25,260 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185916628]
[2021-10-11 00:32:25,261 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:32:25,261 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:32:25,262 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:32:25,263 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:32:25,263 INFO  L87              Difference]: Start difference. First operand 1137 states and 1200 transitions. Second operand 3 states.
[2021-10-11 00:32:25,672 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:32:25,672 INFO  L93              Difference]: Finished difference Result 1987 states and 2097 transitions.
[2021-10-11 00:32:25,672 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:32:25,673 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 189
[2021-10-11 00:32:25,673 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:32:25,677 INFO  L225             Difference]: With dead ends: 1987
[2021-10-11 00:32:25,678 INFO  L226             Difference]: Without dead ends: 992
[2021-10-11 00:32:25,679 INFO  L677         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
[2021-10-11 00:32:25,681 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 992 states.
[2021-10-11 00:32:25,697 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 992.
[2021-10-11 00:32:25,697 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 992 states.
[2021-10-11 00:32:25,701 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1023 transitions.
[2021-10-11 00:32:25,701 INFO  L78                 Accepts]: Start accepts. Automaton has 992 states and 1023 transitions. Word has length 189
[2021-10-11 00:32:25,701 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:32:25,701 INFO  L481      AbstractCegarLoop]: Abstraction has 992 states and 1023 transitions.
[2021-10-11 00:32:25,701 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:32:25,701 INFO  L276                IsEmpty]: Start isEmpty. Operand 992 states and 1023 transitions.
[2021-10-11 00:32:25,705 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 242
[2021-10-11 00:32:25,705 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:32:25,706 INFO  L422         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:32:25,706 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2021-10-11 00:32:25,706 INFO  L429      AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:32:25,706 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:32:25,707 INFO  L82        PathProgramCache]: Analyzing trace with hash -1973474355, now seen corresponding path program 1 times
[2021-10-11 00:32:25,707 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:32:25,707 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300995249]
[2021-10-11 00:32:25,707 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:32:25,774 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:32:26,039 INFO  L134       CoverageAnalysis]: Checked inductivity of 236 backedges. 150 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:32:26,039 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300995249]
[2021-10-11 00:32:26,039 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331741768]
[2021-10-11 00:32:26,039 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd21f9a8-c2c4-4c2c-964c-4a3afd653fe4/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-11 00:32:26,147 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:32:26,149 INFO  L263         TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-10-11 00:32:26,152 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-11 00:32:26,356 INFO  L134       CoverageAnalysis]: Checked inductivity of 236 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked.
[2021-10-11 00:32:26,357 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2021-10-11 00:32:26,357 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7
[2021-10-11 00:32:26,357 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944105026]
[2021-10-11 00:32:26,358 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:32:26,358 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:32:26,358 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:32:26,358 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2021-10-11 00:32:26,358 INFO  L87              Difference]: Start difference. First operand 992 states and 1023 transitions. Second operand 3 states.
[2021-10-11 00:32:26,763 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:32:26,764 INFO  L93              Difference]: Finished difference Result 2122 states and 2187 transitions.
[2021-10-11 00:32:26,764 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:32:26,765 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 241
[2021-10-11 00:32:26,765 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:32:26,770 INFO  L225             Difference]: With dead ends: 2122
[2021-10-11 00:32:26,771 INFO  L226             Difference]: Without dead ends: 990
[2021-10-11 00:32:26,772 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2021-10-11 00:32:26,774 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 990 states.
[2021-10-11 00:32:26,796 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 990.
[2021-10-11 00:32:26,796 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 990 states.
[2021-10-11 00:32:26,799 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 990 states and 1015 transitions.
[2021-10-11 00:32:26,800 INFO  L78                 Accepts]: Start accepts. Automaton has 990 states and 1015 transitions. Word has length 241
[2021-10-11 00:32:26,800 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:32:26,800 INFO  L481      AbstractCegarLoop]: Abstraction has 990 states and 1015 transitions.
[2021-10-11 00:32:26,800 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:32:26,801 INFO  L276                IsEmpty]: Start isEmpty. Operand 990 states and 1015 transitions.
[2021-10-11 00:32:26,805 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 247
[2021-10-11 00:32:26,806 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:32:26,806 INFO  L422         BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:32:27,027 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-11 00:32:27,027 INFO  L429      AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:32:27,028 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:32:27,028 INFO  L82        PathProgramCache]: Analyzing trace with hash 995979598, now seen corresponding path program 1 times
[2021-10-11 00:32:27,028 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:32:27,028 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55734874]
[2021-10-11 00:32:27,028 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:32:27,077 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:32:27,251 INFO  L134       CoverageAnalysis]: Checked inductivity of 242 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:32:27,251 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55734874]
[2021-10-11 00:32:27,251 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:32:27,251 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-11 00:32:27,254 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968897506]
[2021-10-11 00:32:27,257 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-10-11 00:32:27,257 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:32:27,258 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-11 00:32:27,258 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-11 00:32:27,258 INFO  L87              Difference]: Start difference. First operand 990 states and 1015 transitions. Second operand 4 states.
[2021-10-11 00:32:27,613 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:32:27,613 INFO  L93              Difference]: Finished difference Result 1694 states and 1742 transitions.
[2021-10-11 00:32:27,614 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:32:27,614 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 246
[2021-10-11 00:32:27,615 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:32:27,615 INFO  L225             Difference]: With dead ends: 1694
[2021-10-11 00:32:27,615 INFO  L226             Difference]: Without dead ends: 0
[2021-10-11 00:32:27,617 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-11 00:32:27,617 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-10-11 00:32:27,617 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-10-11 00:32:27,617 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2021-10-11 00:32:27,617 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-10-11 00:32:27,617 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 246
[2021-10-11 00:32:27,618 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:32:27,618 INFO  L481      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-11 00:32:27,618 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2021-10-11 00:32:27,618 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-10-11 00:32:27,618 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2021-10-11 00:32:27,618 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2021-10-11 00:32:27,620 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-10-11 00:32:27,848 WARN  L197               SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37
[2021-10-11 00:32:28,033 WARN  L197               SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37
[2021-10-11 00:32:28,036 INFO  L262        CegarLoopResult]: For program point  L565-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,036 INFO  L262        CegarLoopResult]: For program point  L499-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,036 INFO  L262        CegarLoopResult]: For program point  L433-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,036 INFO  L262        CegarLoopResult]: For program point  L301(lines 301 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,036 INFO  L262        CegarLoopResult]: For program point  L235(lines 235 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,036 INFO  L262        CegarLoopResult]: For program point  L169(lines 169 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,036 INFO  L262        CegarLoopResult]: For program point  L566(line 566)  no Hoare annotation was computed.
[2021-10-11 00:32:28,036 INFO  L262        CegarLoopResult]: For program point  L500(line 500)  no Hoare annotation was computed.
[2021-10-11 00:32:28,036 INFO  L262        CegarLoopResult]: For program point  L434(line 434)  no Hoare annotation was computed.
[2021-10-11 00:32:28,037 INFO  L262        CegarLoopResult]: For program point  L303(lines 303 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,037 INFO  L262        CegarLoopResult]: For program point  L105(lines 105 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,037 INFO  L262        CegarLoopResult]: For program point  L568-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,037 INFO  L262        CegarLoopResult]: For program point  L502-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,037 INFO  L262        CegarLoopResult]: For program point  L436-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,037 INFO  L262        CegarLoopResult]: For program point  L40(lines 40 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,037 INFO  L262        CegarLoopResult]: For program point  L569(line 569)  no Hoare annotation was computed.
[2021-10-11 00:32:28,037 INFO  L262        CegarLoopResult]: For program point  L503(line 503)  no Hoare annotation was computed.
[2021-10-11 00:32:28,037 INFO  L262        CegarLoopResult]: For program point  L437(line 437)  no Hoare annotation was computed.
[2021-10-11 00:32:28,037 INFO  L262        CegarLoopResult]: For program point  L371(lines 371 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,037 INFO  L262        CegarLoopResult]: For program point  L571-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,037 INFO  L262        CegarLoopResult]: For program point  L505-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,037 INFO  L262        CegarLoopResult]: For program point  L439-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,037 INFO  L262        CegarLoopResult]: For program point  L307(lines 307 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,037 INFO  L262        CegarLoopResult]: For program point  L175(lines 175 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,037 INFO  L262        CegarLoopResult]: For program point  L109(lines 109 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,038 INFO  L262        CegarLoopResult]: For program point  L572(line 572)  no Hoare annotation was computed.
[2021-10-11 00:32:28,038 INFO  L262        CegarLoopResult]: For program point  L506(line 506)  no Hoare annotation was computed.
[2021-10-11 00:32:28,038 INFO  L262        CegarLoopResult]: For program point  L440(line 440)  no Hoare annotation was computed.
[2021-10-11 00:32:28,038 INFO  L262        CegarLoopResult]: For program point  L308(lines 308 317)  no Hoare annotation was computed.
[2021-10-11 00:32:28,038 INFO  L262        CegarLoopResult]: For program point  L242(lines 242 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,038 INFO  L262        CegarLoopResult]: For program point  L308-2(lines 308 317)  no Hoare annotation was computed.
[2021-10-11 00:32:28,038 INFO  L262        CegarLoopResult]: For program point  L45(lines 45 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,038 INFO  L262        CegarLoopResult]: For program point  L574-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,038 INFO  L262        CegarLoopResult]: For program point  L508-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,038 INFO  L262        CegarLoopResult]: For program point  L442-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,038 INFO  L262        CegarLoopResult]: For program point  L244(lines 244 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,038 INFO  L262        CegarLoopResult]: For program point  L575(line 575)  no Hoare annotation was computed.
[2021-10-11 00:32:28,038 INFO  L262        CegarLoopResult]: For program point  L509(line 509)  no Hoare annotation was computed.
[2021-10-11 00:32:28,038 INFO  L262        CegarLoopResult]: For program point  L443(line 443)  no Hoare annotation was computed.
[2021-10-11 00:32:28,038 INFO  L262        CegarLoopResult]: For program point  L179(lines 179 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,038 INFO  L262        CegarLoopResult]: For program point  L378(lines 378 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,038 INFO  L262        CegarLoopResult]: For program point  L48(lines 48 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,038 INFO  L262        CegarLoopResult]: For program point  L577-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,039 INFO  L262        CegarLoopResult]: For program point  L511-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,039 INFO  L262        CegarLoopResult]: For program point  L445-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,039 INFO  L262        CegarLoopResult]: For program point  L247(lines 247 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,039 INFO  L262        CegarLoopResult]: For program point  L578(line 578)  no Hoare annotation was computed.
[2021-10-11 00:32:28,039 INFO  L262        CegarLoopResult]: For program point  L512(line 512)  no Hoare annotation was computed.
[2021-10-11 00:32:28,039 INFO  L262        CegarLoopResult]: For program point  L446(line 446)  no Hoare annotation was computed.
[2021-10-11 00:32:28,039 INFO  L262        CegarLoopResult]: For program point  L248(lines 248 256)  no Hoare annotation was computed.
[2021-10-11 00:32:28,039 INFO  L262        CegarLoopResult]: For program point  L248-2(lines 248 256)  no Hoare annotation was computed.
[2021-10-11 00:32:28,039 INFO  L262        CegarLoopResult]: For program point  L116(lines 116 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,039 INFO  L262        CegarLoopResult]: For program point  L580-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,039 INFO  L262        CegarLoopResult]: For program point  L514-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,039 INFO  L262        CegarLoopResult]: For program point  L448-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,039 INFO  L262        CegarLoopResult]: For program point  L52(lines 52 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,039 INFO  L262        CegarLoopResult]: For program point  L581(line 581)  no Hoare annotation was computed.
[2021-10-11 00:32:28,039 INFO  L262        CegarLoopResult]: For program point  L515(line 515)  no Hoare annotation was computed.
[2021-10-11 00:32:28,039 INFO  L262        CegarLoopResult]: For program point  L449(line 449)  no Hoare annotation was computed.
[2021-10-11 00:32:28,039 INFO  L262        CegarLoopResult]: For program point  L185(lines 185 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,040 INFO  L262        CegarLoopResult]: For program point  L583-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,040 INFO  L262        CegarLoopResult]: For program point  L517-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,040 INFO  L262        CegarLoopResult]: For program point  L451-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,040 INFO  L262        CegarLoopResult]: For program point  L385(lines 385 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,040 INFO  L262        CegarLoopResult]: For program point  L319(lines 319 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,040 INFO  L262        CegarLoopResult]: For program point  L584(line 584)  no Hoare annotation was computed.
[2021-10-11 00:32:28,040 INFO  L262        CegarLoopResult]: For program point  L518(line 518)  no Hoare annotation was computed.
[2021-10-11 00:32:28,040 INFO  L262        CegarLoopResult]: For program point  L452(line 452)  no Hoare annotation was computed.
[2021-10-11 00:32:28,040 INFO  L262        CegarLoopResult]: For program point  L189(lines 189 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,040 INFO  L262        CegarLoopResult]: For program point  L123(lines 123 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,040 INFO  L262        CegarLoopResult]: For program point  L57(lines 57 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,040 INFO  L262        CegarLoopResult]: For program point  L586-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,040 INFO  L262        CegarLoopResult]: For program point  L520-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,040 INFO  L262        CegarLoopResult]: For program point  L454-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,040 INFO  L262        CegarLoopResult]: For program point  L388(lines 388 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,040 INFO  L262        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2021-10-11 00:32:28,041 INFO  L262        CegarLoopResult]: For program point  L587(line 587)  no Hoare annotation was computed.
[2021-10-11 00:32:28,041 INFO  L262        CegarLoopResult]: For program point  L521(line 521)  no Hoare annotation was computed.
[2021-10-11 00:32:28,041 INFO  L262        CegarLoopResult]: For program point  L455(line 455)  no Hoare annotation was computed.
[2021-10-11 00:32:28,041 INFO  L262        CegarLoopResult]: For program point  L390(lines 390 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,041 INFO  L262        CegarLoopResult]: For program point  L324(lines 324 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,041 INFO  L262        CegarLoopResult]: For program point  L258(lines 258 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,041 INFO  L262        CegarLoopResult]: For program point  L60(lines 60 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,041 INFO  L262        CegarLoopResult]: For program point  L589-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,041 INFO  L262        CegarLoopResult]: For program point  L523-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,041 INFO  L262        CegarLoopResult]: For program point  L457-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,041 INFO  L262        CegarLoopResult]: For program point  L391(lines 391 397)  no Hoare annotation was computed.
[2021-10-11 00:32:28,041 INFO  L262        CegarLoopResult]: For program point  L325(lines 325 336)  no Hoare annotation was computed.
[2021-10-11 00:32:28,041 INFO  L262        CegarLoopResult]: For program point  L391-2(lines 391 397)  no Hoare annotation was computed.
[2021-10-11 00:32:28,041 INFO  L262        CegarLoopResult]: For program point  L325-2(lines 325 336)  no Hoare annotation was computed.
[2021-10-11 00:32:28,041 INFO  L262        CegarLoopResult]: For program point  L590(line 590)  no Hoare annotation was computed.
[2021-10-11 00:32:28,041 INFO  L262        CegarLoopResult]: For program point  L524(line 524)  no Hoare annotation was computed.
[2021-10-11 00:32:28,042 INFO  L262        CegarLoopResult]: For program point  L458(line 458)  no Hoare annotation was computed.
[2021-10-11 00:32:28,042 INFO  L262        CegarLoopResult]: For program point  L195(lines 195 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,042 INFO  L262        CegarLoopResult]: For program point  L129(lines 129 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,042 INFO  L262        CegarLoopResult]: For program point  L592-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,042 INFO  L262        CegarLoopResult]: For program point  L526-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,042 INFO  L262        CegarLoopResult]: For program point  L460-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,042 INFO  L262        CegarLoopResult]: For program point  L64(lines 64 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,042 INFO  L262        CegarLoopResult]: For program point  L593(line 593)  no Hoare annotation was computed.
[2021-10-11 00:32:28,042 INFO  L262        CegarLoopResult]: For program point  L527(line 527)  no Hoare annotation was computed.
[2021-10-11 00:32:28,042 INFO  L262        CegarLoopResult]: For program point  L461(line 461)  no Hoare annotation was computed.
[2021-10-11 00:32:28,042 INFO  L262        CegarLoopResult]: For program point  L263(lines 263 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,042 INFO  L262        CegarLoopResult]: For program point  L197(lines 197 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,042 INFO  L262        CegarLoopResult]: For program point  L-1(line -1)  no Hoare annotation was computed.
[2021-10-11 00:32:28,042 INFO  L262        CegarLoopResult]: For program point  ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 515)  no Hoare annotation was computed.
[2021-10-11 00:32:28,042 INFO  L262        CegarLoopResult]: For program point  L595-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,042 INFO  L262        CegarLoopResult]: For program point  L529-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,043 INFO  L262        CegarLoopResult]: For program point  L463-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,043 INFO  L262        CegarLoopResult]: For program point  L199(lines 199 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,043 INFO  L262        CegarLoopResult]: For program point  L133(lines 133 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,043 INFO  L262        CegarLoopResult]: For program point  L596(line 596)  no Hoare annotation was computed.
[2021-10-11 00:32:28,043 INFO  L262        CegarLoopResult]: For program point  L530(line 530)  no Hoare annotation was computed.
[2021-10-11 00:32:28,043 INFO  L262        CegarLoopResult]: For program point  L464(line 464)  no Hoare annotation was computed.
[2021-10-11 00:32:28,043 INFO  L262        CegarLoopResult]: For program point  L399(lines 399 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,043 INFO  L262        CegarLoopResult]: For program point  L201(lines 201 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,043 INFO  L262        CegarLoopResult]: For program point  L69(lines 69 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,043 INFO  L262        CegarLoopResult]: For program point  L598-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,043 INFO  L262        CegarLoopResult]: For program point  L532-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,043 INFO  L262        CegarLoopResult]: For program point  L466-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,043 INFO  L262        CegarLoopResult]: For program point  L599(line 599)  no Hoare annotation was computed.
[2021-10-11 00:32:28,043 INFO  L262        CegarLoopResult]: For program point  L533(line 533)  no Hoare annotation was computed.
[2021-10-11 00:32:28,043 INFO  L262        CegarLoopResult]: For program point  L467(line 467)  no Hoare annotation was computed.
[2021-10-11 00:32:28,043 INFO  L262        CegarLoopResult]: For program point  L269(lines 269 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,043 INFO  L262        CegarLoopResult]: For program point  L204(lines 204 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,043 INFO  L262        CegarLoopResult]: For program point  L601-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,044 INFO  L262        CegarLoopResult]: For program point  L535-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,044 INFO  L262        CegarLoopResult]: For program point  L469-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,044 INFO  L262        CegarLoopResult]: For program point  L271(lines 271 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,044 INFO  L262        CegarLoopResult]: For program point  L602(line 602)  no Hoare annotation was computed.
[2021-10-11 00:32:28,044 INFO  L262        CegarLoopResult]: For program point  L536(line 536)  no Hoare annotation was computed.
[2021-10-11 00:32:28,044 INFO  L262        CegarLoopResult]: For program point  L470(line 470)  no Hoare annotation was computed.
[2021-10-11 00:32:28,044 INFO  L262        CegarLoopResult]: For program point  L404(lines 404 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,046 INFO  L262        CegarLoopResult]: For program point  L338(lines 338 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,047 INFO  L262        CegarLoopResult]: For program point  L272(lines 272 284)  no Hoare annotation was computed.
[2021-10-11 00:32:28,047 INFO  L262        CegarLoopResult]: For program point  L272-2(lines 272 284)  no Hoare annotation was computed.
[2021-10-11 00:32:28,047 INFO  L262        CegarLoopResult]: For program point  L140(lines 140 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,047 INFO  L262        CegarLoopResult]: For program point  L75(lines 75 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,047 INFO  L262        CegarLoopResult]: For program point  L604-1(lines 604 606)  no Hoare annotation was computed.
[2021-10-11 00:32:28,047 INFO  L262        CegarLoopResult]: For program point  L538-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,047 INFO  L262        CegarLoopResult]: For program point  L472-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,048 INFO  L262        CegarLoopResult]: For program point  L208(lines 208 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,048 INFO  L262        CegarLoopResult]: For program point  L605(line 605)  no Hoare annotation was computed.
[2021-10-11 00:32:28,048 INFO  L262        CegarLoopResult]: For program point  L539(line 539)  no Hoare annotation was computed.
[2021-10-11 00:32:28,048 INFO  L262        CegarLoopResult]: For program point  L473(line 473)  no Hoare annotation was computed.
[2021-10-11 00:32:28,048 INFO  L262        CegarLoopResult]: For program point  L341(lines 341 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,048 INFO  L262        CegarLoopResult]: For program point  L408(lines 408 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,048 INFO  L262        CegarLoopResult]: For program point  L342(lines 342 345)  no Hoare annotation was computed.
[2021-10-11 00:32:28,048 INFO  L262        CegarLoopResult]: For program point  L342-2(lines 342 345)  no Hoare annotation was computed.
[2021-10-11 00:32:28,048 INFO  L262        CegarLoopResult]: For program point  L144(lines 144 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,049 INFO  L258        CegarLoopResult]: At program point  L607(lines 39 608)  the Hoare annotation is:  (let ((.cse1 (= ~a21~0 1)) (.cse2 (= ~a17~0 8)) (.cse5 (<= ~a19~0 0)) (.cse10 (<= ~a28~0 9)) (.cse9 (<= 9 ~a28~0)) (.cse4 (<= ~a28~0 7)) (.cse8 (= ~a11~0 1)) (.cse0 (= ~a19~0 1)) (.cse6 (= ~a25~0 1)) (.cse3 (= ~a11~0 0)) (.cse7 (<= ~a17~0 8))) (or (and (= ~a25~0 ~a11~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (= ~a28~0 10)) (and .cse5 .cse6 .cse3 .cse7 (<= ~a28~0 10)) (and .cse5 .cse8 .cse7) (and .cse9 .cse0 .cse3 .cse10 .cse7) (and .cse5 .cse10 .cse3 .cse7) (and .cse9 .cse0 .cse7 .cse8) (and .cse0 .cse6 .cse4 .cse8 (<= ~a17~0 7)) (and .cse0 .cse6 .cse3 .cse7)))
[2021-10-11 00:32:28,049 INFO  L262        CegarLoopResult]: For program point  L541-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,049 INFO  L262        CegarLoopResult]: For program point  L475-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,049 INFO  L262        CegarLoopResult]: For program point  L79(lines 79 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,050 INFO  L262        CegarLoopResult]: For program point  L542(line 542)  no Hoare annotation was computed.
[2021-10-11 00:32:28,050 INFO  L262        CegarLoopResult]: For program point  L476(line 476)  no Hoare annotation was computed.
[2021-10-11 00:32:28,050 INFO  L262        CegarLoopResult]: For program point  L212(lines 212 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,050 INFO  L262        CegarLoopResult]: For program point  L213(lines 213 220)  no Hoare annotation was computed.
[2021-10-11 00:32:28,050 INFO  L262        CegarLoopResult]: For program point  L213-2(lines 213 220)  no Hoare annotation was computed.
[2021-10-11 00:32:28,050 INFO  L265        CegarLoopResult]: At program point  L610(lines 610 627)  the Hoare annotation is:  true
[2021-10-11 00:32:28,050 INFO  L262        CegarLoopResult]: For program point  L544-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,050 INFO  L262        CegarLoopResult]: For program point  L478-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,051 INFO  L262        CegarLoopResult]: For program point  L412(lines 412 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,051 INFO  L262        CegarLoopResult]: For program point  L545(line 545)  no Hoare annotation was computed.
[2021-10-11 00:32:28,051 INFO  L262        CegarLoopResult]: For program point  L479(line 479)  no Hoare annotation was computed.
[2021-10-11 00:32:28,051 INFO  L262        CegarLoopResult]: For program point  L347(lines 347 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,051 INFO  L262        CegarLoopResult]: For program point  L149(lines 149 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,051 INFO  L262        CegarLoopResult]: For program point  L414(lines 414 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,051 INFO  L262        CegarLoopResult]: For program point  L348(lines 348 357)  no Hoare annotation was computed.
[2021-10-11 00:32:28,051 INFO  L262        CegarLoopResult]: For program point  L348-2(lines 348 357)  no Hoare annotation was computed.
[2021-10-11 00:32:28,051 INFO  L262        CegarLoopResult]: For program point  L84(lines 84 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,052 INFO  L262        CegarLoopResult]: For program point  L547-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,052 INFO  L262        CegarLoopResult]: For program point  L481-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,052 INFO  L262        CegarLoopResult]: For program point  L85(lines 85 90)  no Hoare annotation was computed.
[2021-10-11 00:32:28,052 INFO  L262        CegarLoopResult]: For program point  L85-2(lines 85 90)  no Hoare annotation was computed.
[2021-10-11 00:32:28,052 INFO  L262        CegarLoopResult]: For program point  L548(line 548)  no Hoare annotation was computed.
[2021-10-11 00:32:28,052 INFO  L262        CegarLoopResult]: For program point  L482(line 482)  no Hoare annotation was computed.
[2021-10-11 00:32:28,052 INFO  L262        CegarLoopResult]: For program point  ULTIMATE.startENTRY(line -1)  no Hoare annotation was computed.
[2021-10-11 00:32:28,052 INFO  L262        CegarLoopResult]: For program point  L417(lines 417 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,053 INFO  L262        CegarLoopResult]: For program point  L153(lines 153 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,053 INFO  L258        CegarLoopResult]: At program point  L616-2(lines 616 626)  the Hoare annotation is:  (let ((.cse1 (= ~a21~0 1)) (.cse2 (= ~a17~0 8)) (.cse5 (<= ~a19~0 0)) (.cse10 (<= ~a28~0 9)) (.cse9 (<= 9 ~a28~0)) (.cse4 (<= ~a28~0 7)) (.cse8 (= ~a11~0 1)) (.cse0 (= ~a19~0 1)) (.cse6 (= ~a25~0 1)) (.cse3 (= ~a11~0 0)) (.cse7 (<= ~a17~0 8))) (or (and (= ~a25~0 ~a11~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (= ~a28~0 10)) (and .cse5 .cse6 .cse3 .cse7 (<= ~a28~0 10)) (and .cse5 .cse8 .cse7) (and .cse9 .cse0 .cse3 .cse10 .cse7) (and .cse5 .cse10 .cse3 .cse7) (and .cse9 .cse0 .cse7 .cse8) (and .cse0 .cse6 .cse4 .cse8 (<= ~a17~0 7)) (and .cse0 .cse6 .cse3 .cse7)))
[2021-10-11 00:32:28,053 INFO  L262        CegarLoopResult]: For program point  L550-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,053 INFO  L262        CegarLoopResult]: For program point  L484-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,053 INFO  L262        CegarLoopResult]: For program point  L286(lines 286 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,053 INFO  L262        CegarLoopResult]: For program point  L551(line 551)  no Hoare annotation was computed.
[2021-10-11 00:32:28,053 INFO  L262        CegarLoopResult]: For program point  L485(line 485)  no Hoare annotation was computed.
[2021-10-11 00:32:28,054 INFO  L262        CegarLoopResult]: For program point  L419(lines 419 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,054 INFO  L262        CegarLoopResult]: For program point  L222(lines 222 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,054 INFO  L262        CegarLoopResult]: For program point  L553-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,054 INFO  L262        CegarLoopResult]: For program point  L487-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,054 INFO  L262        CegarLoopResult]: For program point  L554(line 554)  no Hoare annotation was computed.
[2021-10-11 00:32:28,054 INFO  L262        CegarLoopResult]: For program point  L488(line 488)  no Hoare annotation was computed.
[2021-10-11 00:32:28,054 INFO  L262        CegarLoopResult]: For program point  L290(lines 290 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,054 INFO  L262        CegarLoopResult]: For program point  L158(lines 158 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,055 INFO  L262        CegarLoopResult]: For program point  L92(lines 92 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,055 INFO  L262        CegarLoopResult]: For program point  L621(line 621)  no Hoare annotation was computed.
[2021-10-11 00:32:28,055 INFO  L262        CegarLoopResult]: For program point  L225(lines 225 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,055 INFO  L262        CegarLoopResult]: For program point  L93(lines 93 99)  no Hoare annotation was computed.
[2021-10-11 00:32:28,055 INFO  L262        CegarLoopResult]: For program point  L93-2(lines 93 99)  no Hoare annotation was computed.
[2021-10-11 00:32:28,055 INFO  L262        CegarLoopResult]: For program point  L556-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,055 INFO  L262        CegarLoopResult]: For program point  L490-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,055 INFO  L262        CegarLoopResult]: For program point  L424(lines 424 426)  no Hoare annotation was computed.
[2021-10-11 00:32:28,055 INFO  L262        CegarLoopResult]: For program point  L424-2(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,056 INFO  L262        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2021-10-11 00:32:28,056 INFO  L262        CegarLoopResult]: For program point  L557(line 557)  no Hoare annotation was computed.
[2021-10-11 00:32:28,056 INFO  L262        CegarLoopResult]: For program point  L491(line 491)  no Hoare annotation was computed.
[2021-10-11 00:32:28,056 INFO  L262        CegarLoopResult]: For program point  L425(line 425)  no Hoare annotation was computed.
[2021-10-11 00:32:28,056 INFO  L262        CegarLoopResult]: For program point  L359(lines 359 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,056 INFO  L262        CegarLoopResult]: For program point  L293(lines 293 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,056 INFO  L262        CegarLoopResult]: For program point  L228(lines 228 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,056 INFO  L262        CegarLoopResult]: For program point  L559-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,057 INFO  L262        CegarLoopResult]: For program point  L493-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,057 INFO  L262        CegarLoopResult]: For program point  L427-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,057 INFO  L262        CegarLoopResult]: For program point  L560(line 560)  no Hoare annotation was computed.
[2021-10-11 00:32:28,057 INFO  L262        CegarLoopResult]: For program point  L494(line 494)  no Hoare annotation was computed.
[2021-10-11 00:32:28,057 INFO  L262        CegarLoopResult]: For program point  L428(line 428)  no Hoare annotation was computed.
[2021-10-11 00:32:28,057 INFO  L262        CegarLoopResult]: For program point  L296(lines 296 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,057 INFO  L262        CegarLoopResult]: For program point  L164(lines 164 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,057 INFO  L262        CegarLoopResult]: For program point  L562-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,057 INFO  L262        CegarLoopResult]: For program point  L496-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,058 INFO  L262        CegarLoopResult]: For program point  L430-1(lines 39 608)  no Hoare annotation was computed.
[2021-10-11 00:32:28,058 INFO  L262        CegarLoopResult]: For program point  L364(lines 364 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,058 INFO  L262        CegarLoopResult]: For program point  L563(line 563)  no Hoare annotation was computed.
[2021-10-11 00:32:28,058 INFO  L262        CegarLoopResult]: For program point  L497(line 497)  no Hoare annotation was computed.
[2021-10-11 00:32:28,058 INFO  L262        CegarLoopResult]: For program point  L431(line 431)  no Hoare annotation was computed.
[2021-10-11 00:32:28,058 INFO  L262        CegarLoopResult]: For program point  L233(lines 233 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,058 INFO  L262        CegarLoopResult]: For program point  L101(lines 101 423)  no Hoare annotation was computed.
[2021-10-11 00:32:28,081 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:32:28 BoogieIcfgContainer
[2021-10-11 00:32:28,082 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-11 00:32:28,082 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-11 00:32:28,082 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-11 00:32:28,082 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-11 00:32:28,083 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:16" (3/4) ...
[2021-10-11 00:32:28,086 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2021-10-11 00:32:28,107 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2021-10-11 00:32:28,109 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2021-10-11 00:32:28,110 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-11 00:32:28,112 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-11 00:32:28,266 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd21f9a8-c2c4-4c2c-964c-4a3afd653fe4/bin/uautomizer-Z5i5R5N3CC/witness.graphml
[2021-10-11 00:32:28,266 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-11 00:32:28,267 INFO  L168              Benchmark]: Toolchain (without parser) took 14003.71 ms. Allocated memory was 92.3 MB in the beginning and 398.5 MB in the end (delta: 306.2 MB). Free memory was 58.2 MB in the beginning and 291.1 MB in the end (delta: -232.9 MB). Peak memory consumption was 71.3 MB. Max. memory is 16.1 GB.
[2021-10-11 00:32:28,268 INFO  L168              Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 92.3 MB. Free memory was 50.2 MB in the beginning and 50.1 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:32:28,269 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 641.86 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 58.0 MB in the beginning and 75.6 MB in the end (delta: -17.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-11 00:32:28,269 INFO  L168              Benchmark]: Boogie Procedure Inliner took 114.06 ms. Allocated memory is still 115.3 MB. Free memory was 75.6 MB in the beginning and 69.8 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
[2021-10-11 00:32:28,270 INFO  L168              Benchmark]: Boogie Preprocessor took 60.61 ms. Allocated memory is still 115.3 MB. Free memory was 69.8 MB in the beginning and 65.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-11 00:32:28,270 INFO  L168              Benchmark]: RCFGBuilder took 1316.38 ms. Allocated memory is still 115.3 MB. Free memory was 65.6 MB in the beginning and 46.1 MB in the end (delta: 19.5 MB). Peak memory consumption was 37.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:32:28,270 INFO  L168              Benchmark]: TraceAbstraction took 11678.91 ms. Allocated memory was 115.3 MB in the beginning and 398.5 MB in the end (delta: 283.1 MB). Free memory was 45.4 MB in the beginning and 305.8 MB in the end (delta: -260.4 MB). Peak memory consumption was 186.7 MB. Max. memory is 16.1 GB.
[2021-10-11 00:32:28,271 INFO  L168              Benchmark]: Witness Printer took 184.23 ms. Allocated memory is still 398.5 MB. Free memory was 305.8 MB in the beginning and 291.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB.
[2021-10-11 00:32:28,273 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.45 ms. Allocated memory is still 92.3 MB. Free memory was 50.2 MB in the beginning and 50.1 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 641.86 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 58.0 MB in the beginning and 75.6 MB in the end (delta: -17.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 114.06 ms. Allocated memory is still 115.3 MB. Free memory was 75.6 MB in the beginning and 69.8 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 60.61 ms. Allocated memory is still 115.3 MB. Free memory was 69.8 MB in the beginning and 65.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 1316.38 ms. Allocated memory is still 115.3 MB. Free memory was 65.6 MB in the beginning and 46.1 MB in the end (delta: 19.5 MB). Peak memory consumption was 37.1 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 11678.91 ms. Allocated memory was 115.3 MB in the beginning and 398.5 MB in the end (delta: 283.1 MB). Free memory was 45.4 MB in the beginning and 305.8 MB in the end (delta: -260.4 MB). Peak memory consumption was 186.7 MB. Max. memory is 16.1 GB.
 * Witness Printer took 184.23 ms. Allocated memory is still 398.5 MB. Free memory was 305.8 MB in the beginning and 291.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 515]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 610]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 616]: Loop Invariant
    Derived loop invariant: ((((((((((((a25 == a11 && a19 == 1) && a21 == 1) && a17 == 8) && a11 == 0) && a28 <= 7) || (((a19 == 1 && a21 == 1) && a17 == 8) && a28 == 10)) || ((((a19 <= 0 && a25 == 1) && a11 == 0) && a17 <= 8) && a28 <= 10)) || ((a19 <= 0 && a11 == 1) && a17 <= 8)) || ((((9 <= a28 && a19 == 1) && a11 == 0) && a28 <= 9) && a17 <= 8)) || (((a19 <= 0 && a28 <= 9) && a11 == 0) && a17 <= 8)) || (((9 <= a28 && a19 == 1) && a17 <= 8) && a11 == 1)) || ((((a19 == 1 && a25 == 1) && a28 <= 7) && a11 == 1) && a17 <= 7)) || (((a19 == 1 && a25 == 1) && a11 == 0) && a17 <= 8)
  - InvariantResult [Line: 39]: Loop Invariant
    Derived loop invariant: ((((((((((((a25 == a11 && a19 == 1) && a21 == 1) && a17 == 8) && a11 == 0) && a28 <= 7) || (((a19 == 1 && a21 == 1) && a17 == 8) && a28 == 10)) || ((((a19 <= 0 && a25 == 1) && a11 == 0) && a17 <= 8) && a28 <= 10)) || ((a19 <= 0 && a11 == 1) && a17 <= 8)) || ((((9 <= a28 && a19 == 1) && a11 == 0) && a28 <= 9) && a17 <= 8)) || (((a19 <= 0 && a28 <= 9) && a11 == 0) && a17 <= 8)) || (((9 <= a28 && a19 == 1) && a17 <= 8) && a11 == 1)) || ((((a19 == 1 && a25 == 1) && a28 <= 7) && a11 == 1) && a17 <= 7)) || (((a19 == 1 && a25 == 1) && a11 == 0) && a17 <= 8)
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.1s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1536 SDtfs, 1853 SDslu, 189 SDs, 0 SdLazy, 4406 SolverSat, 669 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 667 GetRequests, 639 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2275occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 610 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 41 NumberOfFragments, 261 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1050 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 162 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 2489 NumberOfCodeBlocks, 2489 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2473 ConstructedInterpolants, 0 QuantifiedInterpolants, 1147022 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1235 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 1034/1134 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...