./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label31.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_4f9079a4-513f-471b-8b2a-19c7d842d4cf/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f9079a4-513f-471b-8b2a-19c7d842d4cf/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_4f9079a4-513f-471b-8b2a-19c7d842d4cf/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f9079a4-513f-471b-8b2a-19c7d842d4cf/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label31.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f9079a4-513f-471b-8b2a-19c7d842d4cf/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_4f9079a4-513f-471b-8b2a-19c7d842d4cf/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 ffbd3334bfb572bc600748249cc65ef190a2061b
.........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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 00:23:34,883 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-11 00:23:34,885 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-11 00:23:34,936 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-11 00:23:34,937 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-11 00:23:34,942 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-11 00:23:34,945 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-11 00:23:34,949 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-11 00:23:34,951 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-11 00:23:34,957 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-11 00:23:34,958 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-11 00:23:34,960 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-11 00:23:34,960 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-11 00:23:34,963 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-11 00:23:34,965 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-11 00:23:34,966 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-11 00:23:34,968 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-11 00:23:34,972 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-11 00:23:34,974 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-11 00:23:34,982 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-11 00:23:34,984 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-11 00:23:34,986 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-11 00:23:34,989 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-11 00:23:34,990 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-11 00:23:34,998 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-11 00:23:34,999 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-11 00:23:34,999 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-11 00:23:35,001 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-11 00:23:35,002 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-11 00:23:35,004 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-11 00:23:35,004 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-11 00:23:35,005 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-11 00:23:35,007 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-11 00:23:35,008 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-11 00:23:35,010 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-11 00:23:35,010 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-11 00:23:35,011 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-11 00:23:35,011 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-11 00:23:35,011 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-11 00:23:35,012 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-11 00:23:35,013 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-11 00:23:35,015 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f9079a4-513f-471b-8b2a-19c7d842d4cf/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-11 00:23:35,054 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-11 00:23:35,057 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-11 00:23:35,059 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-11 00:23:35,059 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-11 00:23:35,060 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-11 00:23:35,060 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-11 00:23:35,060 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-11 00:23:35,060 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-11 00:23:35,061 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-11 00:23:35,067 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-11 00:23:35,068 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-11 00:23:35,068 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-11 00:23:35,069 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-11 00:23:35,069 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-11 00:23:35,069 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-11 00:23:35,069 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-11 00:23:35,069 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-11 00:23:35,070 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-11 00:23:35,070 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-11 00:23:35,070 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-11 00:23:35,070 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:23:35,071 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-11 00:23:35,071 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-11 00:23:35,071 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-11 00:23:35,071 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-11 00:23:35,071 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-11 00:23:35,072 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-11 00:23:35,072 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-11 00:23:35,072 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_4f9079a4-513f-471b-8b2a-19c7d842d4cf/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_4f9079a4-513f-471b-8b2a-19c7d842d4cf/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 -> ffbd3334bfb572bc600748249cc65ef190a2061b
[2021-10-11 00:23:35,341 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-11 00:23:35,374 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-11 00:23:35,376 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-11 00:23:35,378 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-11 00:23:35,380 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-11 00:23:35,381 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f9079a4-513f-471b-8b2a-19c7d842d4cf/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/eca-rers2012/Problem01_label31.c
[2021-10-11 00:23:35,468 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f9079a4-513f-471b-8b2a-19c7d842d4cf/bin/uautomizer-Z5i5R5N3CC/data/50d1914c7/c80c19d2a81e41bf9c92c42a55029cc8/FLAGe266a6ca2
[2021-10-11 00:23:36,200 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-11 00:23:36,201 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f9079a4-513f-471b-8b2a-19c7d842d4cf/sv-benchmarks/c/eca-rers2012/Problem01_label31.c
[2021-10-11 00:23:36,231 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f9079a4-513f-471b-8b2a-19c7d842d4cf/bin/uautomizer-Z5i5R5N3CC/data/50d1914c7/c80c19d2a81e41bf9c92c42a55029cc8/FLAGe266a6ca2
[2021-10-11 00:23:36,436 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f9079a4-513f-471b-8b2a-19c7d842d4cf/bin/uautomizer-Z5i5R5N3CC/data/50d1914c7/c80c19d2a81e41bf9c92c42a55029cc8
[2021-10-11 00:23:36,438 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-11 00:23:36,440 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-11 00:23:36,444 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-11 00:23:36,444 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-11 00:23:36,448 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-11 00:23:36,449 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:23:36" (1/1) ...
[2021-10-11 00:23:36,451 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b193e05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:36, skipping insertion in model container
[2021-10-11 00:23:36,452 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:23:36" (1/1) ...
[2021-10-11 00:23:36,459 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-11 00:23:36,528 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-11 00:23:36,940 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_4f9079a4-513f-471b-8b2a-19c7d842d4cf/sv-benchmarks/c/eca-rers2012/Problem01_label31.c[16993,17006]
[2021-10-11 00:23:36,976 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:23:37,007 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-11 00:23:37,164 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_4f9079a4-513f-471b-8b2a-19c7d842d4cf/sv-benchmarks/c/eca-rers2012/Problem01_label31.c[16993,17006]
[2021-10-11 00:23:37,186 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:23:37,205 INFO  L208         MainTranslator]: Completed translation
[2021-10-11 00:23:37,205 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:37 WrapperNode
[2021-10-11 00:23:37,205 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-11 00:23:37,206 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-11 00:23:37,206 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-11 00:23:37,206 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-11 00:23:37,213 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:37" (1/1) ...
[2021-10-11 00:23:37,242 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:37" (1/1) ...
[2021-10-11 00:23:37,315 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-11 00:23:37,316 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-11 00:23:37,316 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-11 00:23:37,317 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-11 00:23:37,324 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:37" (1/1) ...
[2021-10-11 00:23:37,325 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:37" (1/1) ...
[2021-10-11 00:23:37,329 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:37" (1/1) ...
[2021-10-11 00:23:37,329 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:37" (1/1) ...
[2021-10-11 00:23:37,351 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:37" (1/1) ...
[2021-10-11 00:23:37,362 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:37" (1/1) ...
[2021-10-11 00:23:37,369 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:37" (1/1) ...
[2021-10-11 00:23:37,378 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-11 00:23:37,379 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-11 00:23:37,379 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-11 00:23:37,379 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-11 00:23:37,390 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:37" (1/1) ...
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f9079a4-513f-471b-8b2a-19c7d842d4cf/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 00:23:37,495 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-11 00:23:37,495 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-11 00:23:37,496 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-11 00:23:37,496 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-11 00:23:38,673 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-11 00:23:38,673 INFO  L299             CfgBuilder]: Removed 7 assume(true) statements.
[2021-10-11 00:23:38,676 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:23:38 BoogieIcfgContainer
[2021-10-11 00:23:38,677 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-11 00:23:38,679 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-11 00:23:38,679 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-11 00:23:38,681 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-11 00:23:38,682 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:23:36" (1/3) ...
[2021-10-11 00:23:38,682 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5929b6bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:23:38, skipping insertion in model container
[2021-10-11 00:23:38,682 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:37" (2/3) ...
[2021-10-11 00:23:38,683 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5929b6bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:23:38, skipping insertion in model container
[2021-10-11 00:23:38,683 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:23:38" (3/3) ...
[2021-10-11 00:23:38,685 INFO  L111   eAbstractionObserver]: Analyzing ICFG Problem01_label31.c
[2021-10-11 00:23:38,696 INFO  L180   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-11 00:23:38,698 INFO  L192   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-10-11 00:23:38,708 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-11 00:23:38,732 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2021-10-11 00:23:38,732 INFO  L378      AbstractCegarLoop]: Hoare is true
[2021-10-11 00:23:38,732 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-10-11 00:23:38,732 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-11 00:23:38,732 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-11 00:23:38,733 INFO  L382      AbstractCegarLoop]: Difference is false
[2021-10-11 00:23:38,733 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-11 00:23:38,733 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-10-11 00:23:38,751 INFO  L276                IsEmpty]: Start isEmpty. Operand 198 states.
[2021-10-11 00:23:38,760 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 93
[2021-10-11 00:23:38,760 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:23:38,761 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]
[2021-10-11 00:23:38,761 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:23:38,766 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:23:38,767 INFO  L82        PathProgramCache]: Analyzing trace with hash 779606815, now seen corresponding path program 1 times
[2021-10-11 00:23:38,775 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:23:38,775 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183359940]
[2021-10-11 00:23:38,776 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:23:39,002 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:23:39,270 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 00:23:39,271 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183359940]
[2021-10-11 00:23:39,272 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:23:39,272 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:23:39,273 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325691559]
[2021-10-11 00:23:39,281 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:23:39,281 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:23:39,298 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:23:39,299 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:23:39,301 INFO  L87              Difference]: Start difference. First operand 198 states. Second operand 3 states.
[2021-10-11 00:23:40,248 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:23:40,248 INFO  L93              Difference]: Finished difference Result 528 states and 915 transitions.
[2021-10-11 00:23:40,249 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:23:40,250 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 92
[2021-10-11 00:23:40,251 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:23:40,274 INFO  L225             Difference]: With dead ends: 528
[2021-10-11 00:23:40,274 INFO  L226             Difference]: Without dead ends: 266
[2021-10-11 00:23:40,278 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 00:23:40,295 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 266 states.
[2021-10-11 00:23:40,330 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266.
[2021-10-11 00:23:40,331 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 266 states.
[2021-10-11 00:23:40,333 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 392 transitions.
[2021-10-11 00:23:40,334 INFO  L78                 Accepts]: Start accepts. Automaton has 266 states and 392 transitions. Word has length 92
[2021-10-11 00:23:40,335 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:23:40,335 INFO  L481      AbstractCegarLoop]: Abstraction has 266 states and 392 transitions.
[2021-10-11 00:23:40,335 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:23:40,335 INFO  L276                IsEmpty]: Start isEmpty. Operand 266 states and 392 transitions.
[2021-10-11 00:23:40,340 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 98
[2021-10-11 00:23:40,340 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:23:40,340 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:23:40,340 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-11 00:23:40,341 INFO  L429      AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:23:40,341 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:23:40,341 INFO  L82        PathProgramCache]: Analyzing trace with hash 1838806263, now seen corresponding path program 1 times
[2021-10-11 00:23:40,342 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:23:40,342 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907400719]
[2021-10-11 00:23:40,342 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:23:40,375 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:23:40,435 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:23:40,435 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907400719]
[2021-10-11 00:23:40,436 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:23:40,436 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-11 00:23:40,436 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382269672]
[2021-10-11 00:23:40,437 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:23:40,438 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:23:40,438 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:23:40,439 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:23:40,439 INFO  L87              Difference]: Start difference. First operand 266 states and 392 transitions. Second operand 3 states.
[2021-10-11 00:23:41,030 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:23:41,031 INFO  L93              Difference]: Finished difference Result 792 states and 1171 transitions.
[2021-10-11 00:23:41,032 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:23:41,032 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 97
[2021-10-11 00:23:41,033 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:23:41,037 INFO  L225             Difference]: With dead ends: 792
[2021-10-11 00:23:41,038 INFO  L226             Difference]: Without dead ends: 528
[2021-10-11 00:23:41,039 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 00:23:41,041 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 528 states.
[2021-10-11 00:23:41,069 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528.
[2021-10-11 00:23:41,069 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 528 states.
[2021-10-11 00:23:41,071 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 744 transitions.
[2021-10-11 00:23:41,072 INFO  L78                 Accepts]: Start accepts. Automaton has 528 states and 744 transitions. Word has length 97
[2021-10-11 00:23:41,072 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:23:41,072 INFO  L481      AbstractCegarLoop]: Abstraction has 528 states and 744 transitions.
[2021-10-11 00:23:41,072 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:23:41,072 INFO  L276                IsEmpty]: Start isEmpty. Operand 528 states and 744 transitions.
[2021-10-11 00:23:41,079 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 115
[2021-10-11 00:23:41,080 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:23:41,080 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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]
[2021-10-11 00:23:41,080 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-11 00:23:41,080 INFO  L429      AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:23:41,081 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:23:41,081 INFO  L82        PathProgramCache]: Analyzing trace with hash 499264427, now seen corresponding path program 1 times
[2021-10-11 00:23:41,081 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:23:41,082 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975740691]
[2021-10-11 00:23:41,082 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:23:41,119 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:23:41,224 INFO  L134       CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:23:41,224 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975740691]
[2021-10-11 00:23:41,225 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:23:41,225 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:23:41,225 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908371906]
[2021-10-11 00:23:41,226 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:23:41,226 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:23:41,227 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:23:41,227 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:23:41,231 INFO  L87              Difference]: Start difference. First operand 528 states and 744 transitions. Second operand 3 states.
[2021-10-11 00:23:41,895 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:23:41,895 INFO  L93              Difference]: Finished difference Result 1054 states and 1486 transitions.
[2021-10-11 00:23:41,896 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:23:41,896 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 114
[2021-10-11 00:23:41,897 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:23:41,901 INFO  L225             Difference]: With dead ends: 1054
[2021-10-11 00:23:41,901 INFO  L226             Difference]: Without dead ends: 528
[2021-10-11 00:23:41,906 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 00:23:41,909 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 528 states.
[2021-10-11 00:23:41,948 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528.
[2021-10-11 00:23:41,949 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 528 states.
[2021-10-11 00:23:41,951 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 666 transitions.
[2021-10-11 00:23:41,952 INFO  L78                 Accepts]: Start accepts. Automaton has 528 states and 666 transitions. Word has length 114
[2021-10-11 00:23:41,952 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:23:41,952 INFO  L481      AbstractCegarLoop]: Abstraction has 528 states and 666 transitions.
[2021-10-11 00:23:41,953 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:23:41,953 INFO  L276                IsEmpty]: Start isEmpty. Operand 528 states and 666 transitions.
[2021-10-11 00:23:41,956 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 119
[2021-10-11 00:23:41,956 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:23:41,957 INFO  L422         BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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]
[2021-10-11 00:23:41,957 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-11 00:23:41,957 INFO  L429      AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:23:41,958 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:23:41,958 INFO  L82        PathProgramCache]: Analyzing trace with hash 1564041633, now seen corresponding path program 1 times
[2021-10-11 00:23:41,959 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:23:41,959 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102762295]
[2021-10-11 00:23:41,959 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:23:41,986 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:23:42,084 INFO  L134       CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:23:42,084 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102762295]
[2021-10-11 00:23:42,085 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:23:42,085 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:23:42,085 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786050448]
[2021-10-11 00:23:42,088 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 4 states
[2021-10-11 00:23:42,088 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:23:42,090 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-11 00:23:42,090 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-11 00:23:42,090 INFO  L87              Difference]: Start difference. First operand 528 states and 666 transitions. Second operand 4 states.
[2021-10-11 00:23:43,056 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:23:43,056 INFO  L93              Difference]: Finished difference Result 1707 states and 2164 transitions.
[2021-10-11 00:23:43,060 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-11 00:23:43,060 INFO  L78                 Accepts]: Start accepts. Automaton has 4 states. Word has length 118
[2021-10-11 00:23:43,061 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:23:43,061 INFO  L225             Difference]: With dead ends: 1707
[2021-10-11 00:23:43,061 INFO  L226             Difference]: Without dead ends: 0
[2021-10-11 00:23:43,064 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 00:23:43,065 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-10-11 00:23:43,065 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-10-11 00:23:43,065 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2021-10-11 00:23:43,066 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-10-11 00:23:43,066 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 118
[2021-10-11 00:23:43,066 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:23:43,066 INFO  L481      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-11 00:23:43,066 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 4 states.
[2021-10-11 00:23:43,067 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-10-11 00:23:43,067 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2021-10-11 00:23:43,067 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-11 00:23:43,069 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-10-11 00:23:43,144 INFO  L262        CegarLoopResult]: For program point  L564(line 564)  no Hoare annotation was computed.
[2021-10-11 00:23:43,145 INFO  L262        CegarLoopResult]: For program point  L531(line 531)  no Hoare annotation was computed.
[2021-10-11 00:23:43,145 INFO  L262        CegarLoopResult]: For program point  L498(line 498)  no Hoare annotation was computed.
[2021-10-11 00:23:43,145 INFO  L262        CegarLoopResult]: For program point  L465(line 465)  no Hoare annotation was computed.
[2021-10-11 00:23:43,145 INFO  L262        CegarLoopResult]: For program point  L432(line 432)  no Hoare annotation was computed.
[2021-10-11 00:23:43,145 INFO  L262        CegarLoopResult]: For program point  L102(lines 102 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,145 INFO  L262        CegarLoopResult]: For program point  L598(line 598)  no Hoare annotation was computed.
[2021-10-11 00:23:43,146 INFO  L262        CegarLoopResult]: For program point  L334(lines 334 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,146 INFO  L262        CegarLoopResult]: For program point  L566-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,146 INFO  L262        CegarLoopResult]: For program point  L533-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,146 INFO  L262        CegarLoopResult]: For program point  L500-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,146 INFO  L262        CegarLoopResult]: For program point  L467-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,146 INFO  L262        CegarLoopResult]: For program point  L401(lines 401 403)  no Hoare annotation was computed.
[2021-10-11 00:23:43,147 INFO  L262        CegarLoopResult]: For program point  L434-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,147 INFO  L262        CegarLoopResult]: For program point  L401-2(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,147 INFO  L262        CegarLoopResult]: For program point  L302(lines 302 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,147 INFO  L262        CegarLoopResult]: For program point  L170(lines 170 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,148 INFO  L262        CegarLoopResult]: For program point  L567(line 567)  no Hoare annotation was computed.
[2021-10-11 00:23:43,148 INFO  L262        CegarLoopResult]: For program point  L534(line 534)  no Hoare annotation was computed.
[2021-10-11 00:23:43,148 INFO  L262        CegarLoopResult]: For program point  L501(line 501)  no Hoare annotation was computed.
[2021-10-11 00:23:43,148 INFO  L262        CegarLoopResult]: For program point  L468(line 468)  no Hoare annotation was computed.
[2021-10-11 00:23:43,149 INFO  L262        CegarLoopResult]: For program point  L435(line 435)  no Hoare annotation was computed.
[2021-10-11 00:23:43,149 INFO  L262        CegarLoopResult]: For program point  L402(line 402)  no Hoare annotation was computed.
[2021-10-11 00:23:43,149 INFO  L262        CegarLoopResult]: For program point  L204(lines 204 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,149 INFO  L262        CegarLoopResult]: For program point  L72(lines 72 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,149 INFO  L262        CegarLoopResult]: For program point  L271(lines 271 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,151 INFO  L262        CegarLoopResult]: For program point  L139(lines 139 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,151 INFO  L262        CegarLoopResult]: For program point  L569-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,151 INFO  L262        CegarLoopResult]: For program point  L536-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,152 INFO  L262        CegarLoopResult]: For program point  L503-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,152 INFO  L262        CegarLoopResult]: For program point  L470-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,152 INFO  L262        CegarLoopResult]: For program point  L437-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,152 INFO  L262        CegarLoopResult]: For program point  L371(lines 371 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,152 INFO  L262        CegarLoopResult]: For program point  L404-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,152 INFO  L262        CegarLoopResult]: For program point  L107(lines 107 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,152 INFO  L262        CegarLoopResult]: For program point  L41(lines 41 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,153 INFO  L262        CegarLoopResult]: For program point  L570(line 570)  no Hoare annotation was computed.
[2021-10-11 00:23:43,153 INFO  L262        CegarLoopResult]: For program point  L537(line 537)  no Hoare annotation was computed.
[2021-10-11 00:23:43,153 INFO  L262        CegarLoopResult]: For program point  L504(line 504)  no Hoare annotation was computed.
[2021-10-11 00:23:43,153 INFO  L262        CegarLoopResult]: For program point  L471(line 471)  no Hoare annotation was computed.
[2021-10-11 00:23:43,153 INFO  L262        CegarLoopResult]: For program point  L438(line 438)  no Hoare annotation was computed.
[2021-10-11 00:23:43,153 INFO  L262        CegarLoopResult]: For program point  L405(line 405)  no Hoare annotation was computed.
[2021-10-11 00:23:43,154 INFO  L262        CegarLoopResult]: For program point  L339(lines 339 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,154 INFO  L262        CegarLoopResult]: For program point  L207(lines 207 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,155 INFO  L262        CegarLoopResult]: For program point  L75(lines 75 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,155 INFO  L262        CegarLoopResult]: For program point  L373(lines 373 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,155 INFO  L262        CegarLoopResult]: For program point  L241(lines 241 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,156 INFO  L262        CegarLoopResult]: For program point  L175(lines 175 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,156 INFO  L262        CegarLoopResult]: For program point  L572-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,156 INFO  L262        CegarLoopResult]: For program point  L539-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,157 INFO  L262        CegarLoopResult]: For program point  L506-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,157 INFO  L262        CegarLoopResult]: For program point  L473-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,157 INFO  L262        CegarLoopResult]: For program point  L440-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,158 INFO  L262        CegarLoopResult]: For program point  L407-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,158 INFO  L262        CegarLoopResult]: For program point  L275(lines 275 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,159 INFO  L262        CegarLoopResult]: For program point  L573(line 573)  no Hoare annotation was computed.
[2021-10-11 00:23:43,159 INFO  L262        CegarLoopResult]: For program point  L540(line 540)  no Hoare annotation was computed.
[2021-10-11 00:23:43,159 INFO  L262        CegarLoopResult]: For program point  L507(line 507)  no Hoare annotation was computed.
[2021-10-11 00:23:43,159 INFO  L262        CegarLoopResult]: For program point  L474(line 474)  no Hoare annotation was computed.
[2021-10-11 00:23:43,160 INFO  L262        CegarLoopResult]: For program point  L441(line 441)  no Hoare annotation was computed.
[2021-10-11 00:23:43,160 INFO  L262        CegarLoopResult]: For program point  L408(line 408)  no Hoare annotation was computed.
[2021-10-11 00:23:43,160 INFO  L262        CegarLoopResult]: For program point  L375(lines 375 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,160 INFO  L262        CegarLoopResult]: For program point  L309(lines 309 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,160 INFO  L262        CegarLoopResult]: For program point  L45(lines 45 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,160 INFO  L262        CegarLoopResult]: For program point  L343(lines 343 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,160 INFO  L262        CegarLoopResult]: For program point  L112(lines 112 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,161 INFO  L262        CegarLoopResult]: For program point  L575-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,161 INFO  L262        CegarLoopResult]: For program point  L542-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,162 INFO  L262        CegarLoopResult]: For program point  L509-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,164 INFO  L262        CegarLoopResult]: For program point  L476-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,165 INFO  L262        CegarLoopResult]: For program point  L443-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,165 INFO  L262        CegarLoopResult]: For program point  L410-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,165 INFO  L262        CegarLoopResult]: For program point  L278(lines 278 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,165 INFO  L262        CegarLoopResult]: For program point  L146(lines 146 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,165 INFO  L262        CegarLoopResult]: For program point  L576(line 576)  no Hoare annotation was computed.
[2021-10-11 00:23:43,165 INFO  L262        CegarLoopResult]: For program point  L543(line 543)  no Hoare annotation was computed.
[2021-10-11 00:23:43,165 INFO  L262        CegarLoopResult]: For program point  L510(line 510)  no Hoare annotation was computed.
[2021-10-11 00:23:43,166 INFO  L262        CegarLoopResult]: For program point  L477(line 477)  no Hoare annotation was computed.
[2021-10-11 00:23:43,166 INFO  L262        CegarLoopResult]: For program point  L444(line 444)  no Hoare annotation was computed.
[2021-10-11 00:23:43,166 INFO  L262        CegarLoopResult]: For program point  L411(line 411)  no Hoare annotation was computed.
[2021-10-11 00:23:43,166 INFO  L262        CegarLoopResult]: For program point  L213(lines 213 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,175 INFO  L262        CegarLoopResult]: For program point  L82(lines 82 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,176 INFO  L262        CegarLoopResult]: For program point  L578-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,176 INFO  L262        CegarLoopResult]: For program point  L545-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,176 INFO  L262        CegarLoopResult]: For program point  L512-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,176 INFO  L262        CegarLoopResult]: For program point  L479-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,176 INFO  L262        CegarLoopResult]: For program point  L446-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,177 INFO  L262        CegarLoopResult]: For program point  L413-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,177 INFO  L262        CegarLoopResult]: For program point  L347(lines 347 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,177 INFO  L262        CegarLoopResult]: For program point  L248(lines 248 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,177 INFO  L262        CegarLoopResult]: For program point  L579(line 579)  no Hoare annotation was computed.
[2021-10-11 00:23:43,178 INFO  L262        CegarLoopResult]: For program point  L546(line 546)  no Hoare annotation was computed.
[2021-10-11 00:23:43,178 INFO  L262        CegarLoopResult]: For program point  L513(line 513)  no Hoare annotation was computed.
[2021-10-11 00:23:43,178 INFO  L262        CegarLoopResult]: For program point  L480(line 480)  no Hoare annotation was computed.
[2021-10-11 00:23:43,179 INFO  L262        CegarLoopResult]: For program point  L447(line 447)  no Hoare annotation was computed.
[2021-10-11 00:23:43,179 INFO  L262        CegarLoopResult]: For program point  L414(line 414)  no Hoare annotation was computed.
[2021-10-11 00:23:43,179 INFO  L262        CegarLoopResult]: For program point  L183(lines 183 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,179 INFO  L262        CegarLoopResult]: For program point  L150(lines 150 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,179 INFO  L262        CegarLoopResult]: For program point  L382(lines 382 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,179 INFO  L262        CegarLoopResult]: For program point  L316(lines 316 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,179 INFO  L262        CegarLoopResult]: For program point  L283(lines 283 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,180 INFO  L262        CegarLoopResult]: For program point  L118(lines 118 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,180 INFO  L262        CegarLoopResult]: For program point  L581-1(lines 581 583)  no Hoare annotation was computed.
[2021-10-11 00:23:43,180 INFO  L262        CegarLoopResult]: For program point  L548-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,181 INFO  L262        CegarLoopResult]: For program point  L515-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,181 INFO  L262        CegarLoopResult]: For program point  L482-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,181 INFO  L262        CegarLoopResult]: For program point  L449-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,181 INFO  L262        CegarLoopResult]: For program point  L416-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,181 INFO  L262        CegarLoopResult]: For program point  ULTIMATE.startENTRY(line -1)  no Hoare annotation was computed.
[2021-10-11 00:23:43,181 INFO  L262        CegarLoopResult]: For program point  L218(lines 218 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,181 INFO  L262        CegarLoopResult]: For program point  L53(lines 53 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,182 INFO  L262        CegarLoopResult]: For program point  L582(line 582)  no Hoare annotation was computed.
[2021-10-11 00:23:43,182 INFO  L262        CegarLoopResult]: For program point  L549(line 549)  no Hoare annotation was computed.
[2021-10-11 00:23:43,182 INFO  L262        CegarLoopResult]: For program point  L516(line 516)  no Hoare annotation was computed.
[2021-10-11 00:23:43,182 INFO  L262        CegarLoopResult]: For program point  L483(line 483)  no Hoare annotation was computed.
[2021-10-11 00:23:43,182 INFO  L262        CegarLoopResult]: For program point  L450(line 450)  no Hoare annotation was computed.
[2021-10-11 00:23:43,182 INFO  L262        CegarLoopResult]: For program point  L417(line 417)  no Hoare annotation was computed.
[2021-10-11 00:23:43,182 INFO  L262        CegarLoopResult]: For program point  L154(lines 154 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,183 INFO  L258        CegarLoopResult]: At program point  L584(lines 40 585)  the Hoare annotation is:  (let ((.cse0 (= ~a7~0 1))) (or (and .cse0 (<= ~a16~0 5)) (and .cse0 (= ~a20~0 1)) (= ~a7~0 0)))
[2021-10-11 00:23:43,183 INFO  L262        CegarLoopResult]: For program point  L551-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,183 INFO  L262        CegarLoopResult]: For program point  L518-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,183 INFO  L262        CegarLoopResult]: For program point  L485-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,184 INFO  L262        CegarLoopResult]: For program point  L452-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,184 INFO  L262        CegarLoopResult]: For program point  L419-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,184 INFO  L262        CegarLoopResult]: For program point  L188(lines 188 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,184 INFO  L262        CegarLoopResult]: For program point  L552(line 552)  no Hoare annotation was computed.
[2021-10-11 00:23:43,184 INFO  L262        CegarLoopResult]: For program point  L519(line 519)  no Hoare annotation was computed.
[2021-10-11 00:23:43,184 INFO  L262        CegarLoopResult]: For program point  L486(line 486)  no Hoare annotation was computed.
[2021-10-11 00:23:43,184 INFO  L262        CegarLoopResult]: For program point  L453(line 453)  no Hoare annotation was computed.
[2021-10-11 00:23:43,185 INFO  L262        CegarLoopResult]: For program point  L420(line 420)  no Hoare annotation was computed.
[2021-10-11 00:23:43,185 INFO  L262        CegarLoopResult]: For program point  L387(lines 387 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,185 INFO  L262        CegarLoopResult]: For program point  L288(lines 288 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,185 INFO  L262        CegarLoopResult]: For program point  L255(lines 255 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,185 INFO  L262        CegarLoopResult]: For program point  L90(lines 90 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,185 INFO  L262        CegarLoopResult]: For program point  L355(lines 355 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,185 INFO  L262        CegarLoopResult]: For program point  L322(lines 322 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,186 INFO  L262        CegarLoopResult]: For program point  ULTIMATE.startEXIT(line -1)  no Hoare annotation was computed.
[2021-10-11 00:23:43,186 INFO  L262        CegarLoopResult]: For program point  L124(lines 124 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,186 INFO  L265        CegarLoopResult]: At program point  L587(lines 587 604)  the Hoare annotation is:  true
[2021-10-11 00:23:43,186 INFO  L262        CegarLoopResult]: For program point  L554-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,186 INFO  L262        CegarLoopResult]: For program point  L521-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,186 INFO  L262        CegarLoopResult]: For program point  L488-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,186 INFO  L262        CegarLoopResult]: For program point  L455-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,187 INFO  L262        CegarLoopResult]: For program point  L422-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,187 INFO  L262        CegarLoopResult]: For program point  L224(lines 224 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,187 INFO  L262        CegarLoopResult]: For program point  L158(lines 158 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,187 INFO  L262        CegarLoopResult]: For program point  L59(lines 59 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,187 INFO  L262        CegarLoopResult]: For program point  L555(line 555)  no Hoare annotation was computed.
[2021-10-11 00:23:43,187 INFO  L262        CegarLoopResult]: For program point  L522(line 522)  no Hoare annotation was computed.
[2021-10-11 00:23:43,187 INFO  L262        CegarLoopResult]: For program point  L489(line 489)  no Hoare annotation was computed.
[2021-10-11 00:23:43,188 INFO  L262        CegarLoopResult]: For program point  L456(line 456)  no Hoare annotation was computed.
[2021-10-11 00:23:43,188 INFO  L262        CegarLoopResult]: For program point  L423(line 423)  no Hoare annotation was computed.
[2021-10-11 00:23:43,188 INFO  L262        CegarLoopResult]: For program point  L94(lines 94 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,188 INFO  L262        CegarLoopResult]: For program point  ULTIMATE.startFINAL(line -1)  no Hoare annotation was computed.
[2021-10-11 00:23:43,188 INFO  L262        CegarLoopResult]: For program point  L557-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,188 INFO  L262        CegarLoopResult]: For program point  L524-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,188 INFO  L262        CegarLoopResult]: For program point  L491-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,189 INFO  L262        CegarLoopResult]: For program point  L458-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,189 INFO  L262        CegarLoopResult]: For program point  L392(lines 392 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,189 INFO  L262        CegarLoopResult]: For program point  L425-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,189 INFO  L262        CegarLoopResult]: For program point  L326(lines 326 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,189 INFO  L262        CegarLoopResult]: For program point  L260(lines 260 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,189 INFO  L262        CegarLoopResult]: For program point  L558(line 558)  no Hoare annotation was computed.
[2021-10-11 00:23:43,189 INFO  L262        CegarLoopResult]: For program point  L525(line 525)  no Hoare annotation was computed.
[2021-10-11 00:23:43,190 INFO  L262        CegarLoopResult]: For program point  L492(line 492)  no Hoare annotation was computed.
[2021-10-11 00:23:43,190 INFO  L262        CegarLoopResult]: For program point  L459(line 459)  no Hoare annotation was computed.
[2021-10-11 00:23:43,190 INFO  L262        CegarLoopResult]: For program point  L426(line 426)  no Hoare annotation was computed.
[2021-10-11 00:23:43,190 INFO  L262        CegarLoopResult]: For program point  L228(lines 228 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,190 INFO  L262        CegarLoopResult]: For program point  L162(lines 162 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,190 INFO  L262        CegarLoopResult]: For program point  L129(lines 129 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,190 INFO  L262        CegarLoopResult]: For program point  L328(lines 328 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,191 INFO  L262        CegarLoopResult]: For program point  L196(lines 196 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,191 INFO  L262        CegarLoopResult]: For program point  L64(lines 64 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,191 INFO  L262        CegarLoopResult]: For program point  L560-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,192 INFO  L258        CegarLoopResult]: At program point  L593-2(lines 593 603)  the Hoare annotation is:  (let ((.cse0 (= ~a7~0 1))) (or (and .cse0 (<= ~a16~0 5)) (and .cse0 (= ~a20~0 1)) (= ~a7~0 0)))
[2021-10-11 00:23:43,193 INFO  L262        CegarLoopResult]: For program point  L527-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,193 INFO  L262        CegarLoopResult]: For program point  L494-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,193 INFO  L262        CegarLoopResult]: For program point  L461-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,193 INFO  L262        CegarLoopResult]: For program point  L428-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,193 INFO  L262        CegarLoopResult]: For program point  L296(lines 296 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,193 INFO  L262        CegarLoopResult]: For program point  L-1(line -1)  no Hoare annotation was computed.
[2021-10-11 00:23:43,193 INFO  L262        CegarLoopResult]: For program point  ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 462)  no Hoare annotation was computed.
[2021-10-11 00:23:43,194 INFO  L262        CegarLoopResult]: For program point  L561(line 561)  no Hoare annotation was computed.
[2021-10-11 00:23:43,194 INFO  L262        CegarLoopResult]: For program point  L528(line 528)  no Hoare annotation was computed.
[2021-10-11 00:23:43,194 INFO  L262        CegarLoopResult]: For program point  L495(line 495)  no Hoare annotation was computed.
[2021-10-11 00:23:43,194 INFO  L262        CegarLoopResult]: For program point  L462(line 462)  no Hoare annotation was computed.
[2021-10-11 00:23:43,194 INFO  L262        CegarLoopResult]: For program point  L429(line 429)  no Hoare annotation was computed.
[2021-10-11 00:23:43,194 INFO  L262        CegarLoopResult]: For program point  L363(lines 363 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,194 INFO  L262        CegarLoopResult]: For program point  L199(lines 199 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,195 INFO  L262        CegarLoopResult]: For program point  L563-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,195 INFO  L262        CegarLoopResult]: For program point  L530-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,195 INFO  L262        CegarLoopResult]: For program point  L497-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,195 INFO  L262        CegarLoopResult]: For program point  L464-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,195 INFO  L262        CegarLoopResult]: For program point  L431-1(lines 40 585)  no Hoare annotation was computed.
[2021-10-11 00:23:43,195 INFO  L262        CegarLoopResult]: For program point  L365(lines 365 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,196 INFO  L262        CegarLoopResult]: For program point  L266(lines 266 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,199 INFO  L262        CegarLoopResult]: For program point  L233(lines 233 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,199 INFO  L262        CegarLoopResult]: For program point  L134(lines 134 400)  no Hoare annotation was computed.
[2021-10-11 00:23:43,221 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:23:43 BoogieIcfgContainer
[2021-10-11 00:23:43,222 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-11 00:23:43,222 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-11 00:23:43,223 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-11 00:23:43,223 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-11 00:23:43,223 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:23:38" (3/4) ...
[2021-10-11 00:23:43,227 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2021-10-11 00:23:43,262 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2021-10-11 00:23:43,264 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2021-10-11 00:23:43,265 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-11 00:23:43,266 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-11 00:23:43,437 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f9079a4-513f-471b-8b2a-19c7d842d4cf/bin/uautomizer-Z5i5R5N3CC/witness.graphml
[2021-10-11 00:23:43,437 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-11 00:23:43,439 INFO  L168              Benchmark]: Toolchain (without parser) took 6998.23 ms. Allocated memory was 130.0 MB in the beginning and 201.3 MB in the end (delta: 71.3 MB). Free memory was 95.9 MB in the beginning and 112.1 MB in the end (delta: -16.2 MB). Peak memory consumption was 54.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:23:43,440 INFO  L168              Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 88.1 MB. Free memory is still 45.5 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:23:43,440 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 761.48 ms. Allocated memory is still 130.0 MB. Free memory was 95.6 MB in the beginning and 89.8 MB in the end (delta: 5.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
[2021-10-11 00:23:43,441 INFO  L168              Benchmark]: Boogie Procedure Inliner took 109.33 ms. Allocated memory is still 130.0 MB. Free memory was 89.8 MB in the beginning and 84.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
[2021-10-11 00:23:43,441 INFO  L168              Benchmark]: Boogie Preprocessor took 61.98 ms. Allocated memory is still 130.0 MB. Free memory was 84.1 MB in the beginning and 79.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-11 00:23:43,441 INFO  L168              Benchmark]: RCFGBuilder took 1298.53 ms. Allocated memory is still 130.0 MB. Free memory was 79.3 MB in the beginning and 79.9 MB in the end (delta: -621.7 kB). Peak memory consumption was 54.4 MB. Max. memory is 16.1 GB.
[2021-10-11 00:23:43,442 INFO  L168              Benchmark]: TraceAbstraction took 4542.71 ms. Allocated memory was 130.0 MB in the beginning and 201.3 MB in the end (delta: 71.3 MB). Free memory was 79.1 MB in the beginning and 125.7 MB in the end (delta: -46.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB.
[2021-10-11 00:23:43,442 INFO  L168              Benchmark]: Witness Printer took 215.02 ms. Allocated memory is still 201.3 MB. Free memory was 125.7 MB in the beginning and 112.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
[2021-10-11 00:23:43,448 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.69 ms. Allocated memory is still 88.1 MB. Free memory is still 45.5 MB. There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 761.48 ms. Allocated memory is still 130.0 MB. Free memory was 95.6 MB in the beginning and 89.8 MB in the end (delta: 5.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 109.33 ms. Allocated memory is still 130.0 MB. Free memory was 89.8 MB in the beginning and 84.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 61.98 ms. Allocated memory is still 130.0 MB. Free memory was 84.1 MB in the beginning and 79.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 1298.53 ms. Allocated memory is still 130.0 MB. Free memory was 79.3 MB in the beginning and 79.9 MB in the end (delta: -621.7 kB). Peak memory consumption was 54.4 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 4542.71 ms. Allocated memory was 130.0 MB in the beginning and 201.3 MB in the end (delta: 71.3 MB). Free memory was 79.1 MB in the beginning and 125.7 MB in the end (delta: -46.6 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB.
 * Witness Printer took 215.02 ms. Allocated memory is still 201.3 MB. Free memory was 125.7 MB in the beginning and 112.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 462]: 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: 40]: Loop Invariant
    Derived loop invariant: ((a7 == 1 && a16 <= 5) || (a7 == 1 && a20 == 1)) || a7 == 0
  - InvariantResult [Line: 587]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 593]: Loop Invariant
    Derived loop invariant: ((a7 == 1 && a16 <= 5) || (a7 == 1 && a20 == 1)) || a7 == 0
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.3s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 282 SDtfs, 634 SDslu, 27 SDs, 0 SdLazy, 1668 SolverSat, 387 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=528occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 23 NumberOfFragments, 37 HoareAnnotationTreeSize, 3 FomulaSimplifications, 120 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 421 NumberOfCodeBlocks, 421 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 417 ConstructedInterpolants, 0 QuantifiedInterpolants, 79661 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 62/62 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...