./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Binary_Search-2.c --full-output --architecture 64bit


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


Checking for termination
Using default analysis
Version 4e77c044
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Binary_Search-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c82b80ee1d840c8880cc584253dffda998627af8
....................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(TERM)
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-4e77c04
[2021-10-13 01:08:54,817 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-13 01:08:54,820 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-13 01:08:54,858 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-13 01:08:54,859 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-13 01:08:54,861 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-13 01:08:54,863 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-13 01:08:54,866 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-13 01:08:54,869 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-13 01:08:54,871 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-13 01:08:54,873 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-13 01:08:54,875 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-13 01:08:54,876 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-13 01:08:54,878 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-13 01:08:54,880 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-13 01:08:54,882 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-13 01:08:54,884 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-13 01:08:54,886 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-13 01:08:54,889 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-13 01:08:54,892 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-13 01:08:54,895 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-13 01:08:54,897 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-13 01:08:54,899 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-13 01:08:54,901 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-13 01:08:54,906 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-13 01:08:54,906 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-13 01:08:54,907 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-13 01:08:54,908 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-13 01:08:54,909 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-13 01:08:54,911 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-13 01:08:54,912 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-13 01:08:54,913 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-13 01:08:54,915 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-13 01:08:54,916 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-13 01:08:54,918 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-13 01:08:54,919 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-13 01:08:54,920 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-13 01:08:54,920 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-13 01:08:54,921 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-13 01:08:54,922 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-13 01:08:54,924 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-13 01:08:54,925 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf
[2021-10-13 01:08:54,959 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-13 01:08:54,960 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-13 01:08:54,960 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-13 01:08:54,960 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-13 01:08:54,961 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-13 01:08:54,961 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-13 01:08:54,962 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-13 01:08:54,962 INFO  L136        SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2021-10-13 01:08:54,962 INFO  L138        SettingsManager]:  * NCSB implementation=INTSET_LAZY3
[2021-10-13 01:08:54,963 INFO  L138        SettingsManager]:  * Use old map elimination=false
[2021-10-13 01:08:54,963 INFO  L138        SettingsManager]:  * Use external solver (rank synthesis)=false
[2021-10-13 01:08:54,963 INFO  L138        SettingsManager]:  * Use only trivial implications for array writes=true
[2021-10-13 01:08:54,964 INFO  L138        SettingsManager]:  * Rank analysis=LINEAR_WITH_GUESSES
[2021-10-13 01:08:54,964 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-13 01:08:54,965 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-10-13 01:08:54,965 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-13 01:08:54,965 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-13 01:08:54,966 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=ASSUME
[2021-10-13 01:08:54,966 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=ASSUME
[2021-10-13 01:08:54,966 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=ASSUME
[2021-10-13 01:08:54,967 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-13 01:08:54,967 INFO  L138        SettingsManager]:  * Assume nondeterminstic values are in range=false
[2021-10-13 01:08:54,967 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-13 01:08:54,968 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=ASSUME
[2021-10-13 01:08:54,968 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-13 01:08:54,968 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-13 01:08:54,969 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-13 01:08:54,969 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-13 01:08:54,970 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-13 01:08:54,971 INFO  L136        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2021-10-13 01:08:54,971 INFO  L138        SettingsManager]:  * TransformationType=MODULO_NEIGHBOR
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_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/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_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt
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(F end) )


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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c82b80ee1d840c8880cc584253dffda998627af8
[2021-10-13 01:08:55,285 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-13 01:08:55,331 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-13 01:08:55,334 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-13 01:08:55,336 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-13 01:08:55,338 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-13 01:08:55,340 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-crafted/Binary_Search-2.c
[2021-10-13 01:08:55,422 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/data/63f47207c/cee292ca147b4c7a920cf088e2581faa/FLAG1bf2d445c
[2021-10-13 01:08:56,085 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-13 01:08:56,086 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/sv-benchmarks/c/termination-crafted/Binary_Search-2.c
[2021-10-13 01:08:56,100 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/data/63f47207c/cee292ca147b4c7a920cf088e2581faa/FLAG1bf2d445c
[2021-10-13 01:08:56,466 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/data/63f47207c/cee292ca147b4c7a920cf088e2581faa
[2021-10-13 01:08:56,469 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-13 01:08:56,471 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-13 01:08:56,477 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-13 01:08:56,478 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-13 01:08:56,485 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-13 01:08:56,486 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:08:56" (1/1) ...
[2021-10-13 01:08:56,487 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f1c943e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:56, skipping insertion in model container
[2021-10-13 01:08:56,490 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:08:56" (1/1) ...
[2021-10-13 01:08:56,499 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-13 01:08:56,522 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-13 01:08:56,732 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-13 01:08:56,736 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-13 01:08:56,753 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-13 01:08:56,768 INFO  L208         MainTranslator]: Completed translation
[2021-10-13 01:08:56,768 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:56 WrapperNode
[2021-10-13 01:08:56,769 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-13 01:08:56,770 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-13 01:08:56,771 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-13 01:08:56,771 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-13 01:08:56,780 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:56" (1/1) ...
[2021-10-13 01:08:56,786 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:56" (1/1) ...
[2021-10-13 01:08:56,806 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-13 01:08:56,808 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-13 01:08:56,808 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-13 01:08:56,808 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-13 01:08:56,818 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:56" (1/1) ...
[2021-10-13 01:08:56,819 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:56" (1/1) ...
[2021-10-13 01:08:56,820 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:56" (1/1) ...
[2021-10-13 01:08:56,820 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:56" (1/1) ...
[2021-10-13 01:08:56,823 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:56" (1/1) ...
[2021-10-13 01:08:56,825 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:56" (1/1) ...
[2021-10-13 01:08:56,826 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:56" (1/1) ...
[2021-10-13 01:08:56,828 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-13 01:08:56,829 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-13 01:08:56,829 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-13 01:08:56,830 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-13 01:08:56,831 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:56" (1/1) ...
[2021-10-13 01:08:56,840 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-13 01:08:56,852 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/z3
[2021-10-13 01:08:56,871 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-13 01:08:56,902 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2021-10-13 01:08:56,933 INFO  L130     BoogieDeclarations]: Found specification of procedure bsearch
[2021-10-13 01:08:56,935 INFO  L138     BoogieDeclarations]: Found implementation of procedure bsearch
[2021-10-13 01:08:56,935 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-13 01:08:56,935 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-13 01:08:57,169 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-13 01:08:57,182 INFO  L299             CfgBuilder]: Removed 4 assume(true) statements.
[2021-10-13 01:08:57,185 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:08:57 BoogieIcfgContainer
[2021-10-13 01:08:57,185 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-13 01:08:57,190 INFO  L113        PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2021-10-13 01:08:57,191 INFO  L271        PluginConnector]: Initializing BuchiAutomizer...
[2021-10-13 01:08:57,194 INFO  L275        PluginConnector]: BuchiAutomizer initialized
[2021-10-13 01:08:57,197 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-13 01:08:57,197 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:08:56" (1/3) ...
[2021-10-13 01:08:57,199 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b5ae721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:08:57, skipping insertion in model container
[2021-10-13 01:08:57,199 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-13 01:08:57,200 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:08:56" (2/3) ...
[2021-10-13 01:08:57,200 INFO  L205        PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b5ae721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:08:57, skipping insertion in model container
[2021-10-13 01:08:57,201 INFO  L99          BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2021-10-13 01:08:57,201 INFO  L185        PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:08:57" (3/3) ...
[2021-10-13 01:08:57,203 INFO  L389   chiAutomizerObserver]: Analyzing ICFG Binary_Search-2.c
[2021-10-13 01:08:57,269 INFO  L359         BuchiCegarLoop]: Interprodecural is true
[2021-10-13 01:08:57,270 INFO  L360         BuchiCegarLoop]: Hoare is false
[2021-10-13 01:08:57,270 INFO  L361         BuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2021-10-13 01:08:57,270 INFO  L362         BuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-13 01:08:57,270 INFO  L363         BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-13 01:08:57,271 INFO  L364         BuchiCegarLoop]: Difference is false
[2021-10-13 01:08:57,271 INFO  L365         BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-13 01:08:57,271 INFO  L368         BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop========
[2021-10-13 01:08:57,289 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 17 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2021-10-13 01:08:57,316 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 5
[2021-10-13 01:08:57,316 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-13 01:08:57,316 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-10-13 01:08:57,325 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1]
[2021-10-13 01:08:57,325 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1]
[2021-10-13 01:08:57,326 INFO  L425         BuchiCegarLoop]: ======== Iteration 1============
[2021-10-13 01:08:57,326 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand  has 17 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2021-10-13 01:08:57,329 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 5
[2021-10-13 01:08:57,329 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-13 01:08:57,329 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-10-13 01:08:57,330 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1]
[2021-10-13 01:08:57,330 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1]
[2021-10-13 01:08:57,338 INFO  L791   eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~y~0 := main_#t~nondet4;havoc main_#t~nondet4; 10#L22true assume !!(-1073741823 <= main_~x~0 && main_~x~0 <= 1073741823); 15#L23true assume !!(-1073741823 <= main_~y~0 && main_~y~0 <= 1073741823); 18#L24true call main_#t~ret5 := bsearch(main_~x~0, main_~y~0);< 6#bsearchENTRYtrue 
[2021-10-13 01:08:57,338 INFO  L793   eck$LassoCheckResult]: Loop: 6#bsearchENTRYtrue ~i := #in~i;~j := #in~j; 16#L10true assume !(~i >= ~j);~mid~0 := (if ~i + ~j < 0 && 0 != (~i + ~j) % 2 then 1 + (~i + ~j) / 2 else (~i + ~j) / 2); 17#L12true assume !(0 != #t~nondet0);havoc #t~nondet0; 5#L14true call #t~ret2 := bsearch(1 + ~mid~0, ~j);< 6#bsearchENTRYtrue 
[2021-10-13 01:08:57,344 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 01:08:57,344 INFO  L82        PathProgramCache]: Analyzing trace with hash 1390416, now seen corresponding path program 1 times
[2021-10-13 01:08:57,353 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 01:08:57,354 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370360693]
[2021-10-13 01:08:57,354 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 01:08:57,355 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 01:08:57,441 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 01:08:57,442 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-13 01:08:57,450 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 01:08:57,468 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-13 01:08:57,472 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 01:08:57,473 INFO  L82        PathProgramCache]: Analyzing trace with hash 927708, now seen corresponding path program 1 times
[2021-10-13 01:08:57,473 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 01:08:57,474 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020476456]
[2021-10-13 01:08:57,474 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 01:08:57,474 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 01:08:57,497 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 01:08:57,498 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-13 01:08:57,510 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 01:08:57,514 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-13 01:08:57,516 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 01:08:57,516 INFO  L82        PathProgramCache]: Analyzing trace with hash -116842581, now seen corresponding path program 1 times
[2021-10-13 01:08:57,517 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 01:08:57,517 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377736156]
[2021-10-13 01:08:57,518 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 01:08:57,518 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 01:08:57,539 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 01:08:57,540 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-13 01:08:57,565 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 01:08:57,569 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-13 01:08:58,131 INFO  L210          LassoAnalysis]: Preferences:
[2021-10-13 01:08:58,132 INFO  L126   ssoRankerPreferences]: Compute integeral hull: false
[2021-10-13 01:08:58,132 INFO  L127   ssoRankerPreferences]: Enable LassoPartitioneer: true
[2021-10-13 01:08:58,133 INFO  L128   ssoRankerPreferences]: Term annotations enabled: false
[2021-10-13 01:08:58,133 INFO  L129   ssoRankerPreferences]: Use exernal solver: true
[2021-10-13 01:08:58,133 INFO  L130   ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-13 01:08:58,133 INFO  L131   ssoRankerPreferences]: Dump SMT script to file: false
[2021-10-13 01:08:58,133 INFO  L132   ssoRankerPreferences]: Path of dumped script: 
[2021-10-13 01:08:58,134 INFO  L133   ssoRankerPreferences]: Filename of dumped script: Binary_Search-2.c_Iteration1_Loop
[2021-10-13 01:08:58,134 INFO  L134   ssoRankerPreferences]: MapElimAlgo: Frank
[2021-10-13 01:08:58,134 INFO  L276          LassoAnalysis]: Starting lasso preprocessing...
[2021-10-13 01:08:58,162 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-13 01:08:58,290 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-13 01:08:58,299 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-13 01:08:58,303 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-13 01:08:58,306 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-13 01:08:58,310 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-13 01:08:58,313 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-13 01:08:58,316 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-13 01:08:58,754 INFO  L294          LassoAnalysis]: Preprocessing complete.
[2021-10-13 01:08:58,755 INFO  L404          LassoAnalysis]: Checking for nontermination...
[2021-10-13 01:08:58,757 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-13 01:08:58,757 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/z3
[2021-10-13 01:08:58,759 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-13 01:08:58,771 INFO  L148   nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true
[2021-10-13 01:08:58,772 INFO  L160   nArgumentSynthesizer]: Using integer mode.
[2021-10-13 01:08:58,802 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process
[2021-10-13 01:08:58,877 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0
[2021-10-13 01:08:58,877 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-13 01:08:58,877 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/z3
[2021-10-13 01:08:58,881 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-13 01:08:58,887 INFO  L148   nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true
[2021-10-13 01:08:58,888 INFO  L160   nArgumentSynthesizer]: Using integer mode.
[2021-10-13 01:08:58,925 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process
[2021-10-13 01:09:04,904 INFO  L444          LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists.
[2021-10-13 01:09:04,925 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0
[2021-10-13 01:09:04,925 INFO  L210          LassoAnalysis]: Preferences:
[2021-10-13 01:09:04,925 INFO  L126   ssoRankerPreferences]: Compute integeral hull: false
[2021-10-13 01:09:04,926 INFO  L127   ssoRankerPreferences]: Enable LassoPartitioneer: true
[2021-10-13 01:09:04,926 INFO  L128   ssoRankerPreferences]: Term annotations enabled: false
[2021-10-13 01:09:04,926 INFO  L129   ssoRankerPreferences]: Use exernal solver: false
[2021-10-13 01:09:04,926 INFO  L130   ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-13 01:09:04,926 INFO  L131   ssoRankerPreferences]: Dump SMT script to file: false
[2021-10-13 01:09:04,926 INFO  L132   ssoRankerPreferences]: Path of dumped script: 
[2021-10-13 01:09:04,926 INFO  L133   ssoRankerPreferences]: Filename of dumped script: Binary_Search-2.c_Iteration1_Loop
[2021-10-13 01:09:04,927 INFO  L134   ssoRankerPreferences]: MapElimAlgo: Frank
[2021-10-13 01:09:04,927 INFO  L276          LassoAnalysis]: Starting lasso preprocessing...
[2021-10-13 01:09:04,930 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-13 01:09:05,026 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-13 01:09:05,030 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-13 01:09:05,035 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-13 01:09:05,037 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-13 01:09:05,041 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-13 01:09:05,045 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-13 01:09:05,048 INFO  L141          MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true
[2021-10-13 01:09:05,441 INFO  L294          LassoAnalysis]: Preprocessing complete.
[2021-10-13 01:09:05,446 INFO  L490          LassoAnalysis]: Using template 'affine'.
[2021-10-13 01:09:05,448 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-13 01:09:05,448 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/z3
[2021-10-13 01:09:05,451 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-13 01:09:05,458 INFO  L120   nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false
[2021-10-13 01:09:05,470 INFO  L338   nArgumentSynthesizer]: Template has degree 0.
[2021-10-13 01:09:05,470 INFO  L351   nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation.
[2021-10-13 01:09:05,471 INFO  L203   nArgumentSynthesizer]: 1 stem disjuncts
[2021-10-13 01:09:05,471 INFO  L204   nArgumentSynthesizer]: 3 loop disjuncts
[2021-10-13 01:09:05,471 INFO  L205   nArgumentSynthesizer]: 2 template conjuncts.
[2021-10-13 01:09:05,485 INFO  L401   nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications.
[2021-10-13 01:09:05,485 INFO  L402   nArgumentSynthesizer]: A total of 0 supporting invariants were added.
[2021-10-13 01:09:05,487 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process
[2021-10-13 01:09:05,506 INFO  L420   nArgumentSynthesizer]: Found a termination argument, trying to simplify.
[2021-10-13 01:09:05,546 INFO  L443   ModelExtractionUtils]: Simplification made 4 calls to the SMT solver.
[2021-10-13 01:09:05,546 INFO  L444   ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero.
[2021-10-13 01:09:05,548 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2021-10-13 01:09:05,548 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/z3
[2021-10-13 01:09:05,563 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2021-10-13 01:09:05,575 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process
[2021-10-13 01:09:05,575 INFO  L435   nArgumentSynthesizer]: Simplifying supporting invariants...
[2021-10-13 01:09:05,575 INFO  L438   nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0.
[2021-10-13 01:09:05,576 INFO  L513          LassoAnalysis]: Proved termination.
[2021-10-13 01:09:05,577 INFO  L515          LassoAnalysis]: Termination argument consisting of:
Ranking function f(bsearch_#in~j, bsearch_#in~i) = 1*bsearch_#in~j - 1*bsearch_#in~i
Supporting invariants []
[2021-10-13 01:09:05,623 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0
[2021-10-13 01:09:05,626 INFO  L297   tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed
[2021-10-13 01:09:05,655 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 01:09:05,685 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 01:09:05,688 INFO  L263         TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-10-13 01:09:05,691 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-13 01:09:05,735 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 01:09:05,742 INFO  L263         TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjunts are in the unsatisfiable core
[2021-10-13 01:09:05,744 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-13 01:09:06,350 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-13 01:09:06,373 INFO  L152   lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates 
[2021-10-13 01:09:06,375 INFO  L71    iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand  has 17 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand  has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 01:09:06,552 INFO  L75    iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand  has 17 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand  has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 59 transitions. Complement of second has 12 states.
[2021-10-13 01:09:06,553 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states 
[2021-10-13 01:09:06,555 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 01:09:06,558 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions.
[2021-10-13 01:09:06,560 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 4 letters. Loop has 4 letters.
[2021-10-13 01:09:06,563 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2021-10-13 01:09:06,564 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 8 letters. Loop has 4 letters.
[2021-10-13 01:09:06,564 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2021-10-13 01:09:06,564 INFO  L84            BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 4 letters. Loop has 8 letters.
[2021-10-13 01:09:06,565 INFO  L116           BuchiAccepts]: Finished buchiAccepts.
[2021-10-13 01:09:06,566 INFO  L82        GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 59 transitions.
[2021-10-13 01:09:06,580 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 5
[2021-10-13 01:09:06,588 INFO  L88        GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 23 states and 26 transitions.
[2021-10-13 01:09:06,590 INFO  L87         BuchiClosureNwa]: Accepting states before buchiClosure: 14
[2021-10-13 01:09:06,591 INFO  L106        BuchiClosureNwa]: Accepting states after buchiClosure: 16
[2021-10-13 01:09:06,591 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 23 states and 26 transitions.
[2021-10-13 01:09:06,592 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is not deterministic.
[2021-10-13 01:09:06,592 INFO  L681         BuchiCegarLoop]: Abstraction has 23 states and 26 transitions.
[2021-10-13 01:09:06,617 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 23 states and 26 transitions.
[2021-10-13 01:09:06,626 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 16.
[2021-10-13 01:09:06,627 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 16 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 4 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-10-13 01:09:06,628 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions.
[2021-10-13 01:09:06,629 INFO  L704         BuchiCegarLoop]: Abstraction has 16 states and 19 transitions.
[2021-10-13 01:09:06,629 INFO  L587         BuchiCegarLoop]: Abstraction has 16 states and 19 transitions.
[2021-10-13 01:09:06,629 INFO  L425         BuchiCegarLoop]: ======== Iteration 2============
[2021-10-13 01:09:06,629 INFO  L72            BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions.
[2021-10-13 01:09:06,630 INFO  L131   ngComponentsAnalysis]: Automaton has 1 accepting balls. 5
[2021-10-13 01:09:06,630 INFO  L87            BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2021-10-13 01:09:06,630 INFO  L119           BuchiIsEmpty]: Starting construction of run
[2021-10-13 01:09:06,631 INFO  L842         BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2021-10-13 01:09:06,631 INFO  L843         BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1]
[2021-10-13 01:09:06,631 INFO  L791   eck$LassoCheckResult]: Stem: 124#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_#t~ret5, main_~x~0, main_~y~0;main_~x~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~y~0 := main_#t~nondet4;havoc main_#t~nondet4; 122#L22 assume !!(-1073741823 <= main_~x~0 && main_~x~0 <= 1073741823); 123#L23 assume !!(-1073741823 <= main_~y~0 && main_~y~0 <= 1073741823); 130#L24 call main_#t~ret5 := bsearch(main_~x~0, main_~y~0);< 131#bsearchENTRY ~i := #in~i;~j := #in~j; 133#L10 assume !(~i >= ~j);~mid~0 := (if ~i + ~j < 0 && 0 != (~i + ~j) % 2 then 1 + (~i + ~j) / 2 else (~i + ~j) / 2); 134#L12 assume 0 != #t~nondet0;havoc #t~nondet0; 126#L13 
[2021-10-13 01:09:06,632 INFO  L793   eck$LassoCheckResult]: Loop: 126#L13 call #t~ret1 := bsearch(~i, ~mid~0);< 127#bsearchENTRY ~i := #in~i;~j := #in~j; 137#L10 assume !(~i >= ~j);~mid~0 := (if ~i + ~j < 0 && 0 != (~i + ~j) % 2 then 1 + (~i + ~j) / 2 else (~i + ~j) / 2); 136#L12 assume 0 != #t~nondet0;havoc #t~nondet0; 126#L13 
[2021-10-13 01:09:06,632 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 01:09:06,632 INFO  L82        PathProgramCache]: Analyzing trace with hash -1527789773, now seen corresponding path program 1 times
[2021-10-13 01:09:06,633 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 01:09:06,633 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042186664]
[2021-10-13 01:09:06,633 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 01:09:06,633 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 01:09:06,647 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 01:09:06,647 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-13 01:09:06,659 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 01:09:06,662 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-13 01:09:06,662 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 01:09:06,663 INFO  L82        PathProgramCache]: Analyzing trace with hash 1847173, now seen corresponding path program 1 times
[2021-10-13 01:09:06,663 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 01:09:06,663 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250053294]
[2021-10-13 01:09:06,663 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 01:09:06,664 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 01:09:06,672 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 01:09:06,673 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-13 01:09:06,679 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 01:09:06,681 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-13 01:09:06,682 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 01:09:06,702 INFO  L82        PathProgramCache]: Analyzing trace with hash -1936650825, now seen corresponding path program 1 times
[2021-10-13 01:09:06,703 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 01:09:06,703 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844711244]
[2021-10-13 01:09:06,703 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 01:09:06,704 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 01:09:06,749 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 01:09:06,749 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-13 01:09:06,788 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-13 01:09:06,798 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-13 01:09:06,865 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0
[2021-10-13 01:09:07,587 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 01:09:07 BoogieIcfgContainer
[2021-10-13 01:09:07,589 INFO  L132        PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2021-10-13 01:09:07,589 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-13 01:09:07,590 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-13 01:09:07,590 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-13 01:09:07,590 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:08:57" (3/4) ...
[2021-10-13 01:09:07,593 INFO  L134         WitnessPrinter]: Generating witness for non-termination counterexample
[2021-10-13 01:09:07,651 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/witness.graphml
[2021-10-13 01:09:07,652 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-13 01:09:07,656 INFO  L168              Benchmark]: Toolchain (without parser) took 11183.53 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 69.7 MB in the beginning and 62.7 MB in the end (delta: 6.9 MB). Peak memory consumption was 27.8 MB. Max. memory is 16.1 GB.
[2021-10-13 01:09:07,656 INFO  L168              Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 102.8 MB. Free memory is still 56.7 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-13 01:09:07,657 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 292.09 ms. Allocated memory is still 102.8 MB. Free memory was 69.5 MB in the beginning and 79.2 MB in the end (delta: -9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-13 01:09:07,658 INFO  L168              Benchmark]: Boogie Procedure Inliner took 36.51 ms. Allocated memory is still 102.8 MB. Free memory was 79.2 MB in the beginning and 78.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-13 01:09:07,659 INFO  L168              Benchmark]: Boogie Preprocessor took 20.71 ms. Allocated memory is still 102.8 MB. Free memory was 78.0 MB in the beginning and 77.0 MB in the end (delta: 986.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-13 01:09:07,660 INFO  L168              Benchmark]: RCFGBuilder took 360.14 ms. Allocated memory is still 102.8 MB. Free memory was 77.0 MB in the beginning and 68.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-13 01:09:07,661 INFO  L168              Benchmark]: BuchiAutomizer took 10398.51 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 68.6 MB in the beginning and 64.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 53.9 MB. Max. memory is 16.1 GB.
[2021-10-13 01:09:07,661 INFO  L168              Benchmark]: Witness Printer took 64.47 ms. Allocated memory is still 123.7 MB. Free memory was 64.8 MB in the beginning and 62.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-13 01:09:07,670 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.21 ms. Allocated memory is still 102.8 MB. Free memory is still 56.7 MB. There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 292.09 ms. Allocated memory is still 102.8 MB. Free memory was 69.5 MB in the beginning and 79.2 MB in the end (delta: -9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 36.51 ms. Allocated memory is still 102.8 MB. Free memory was 79.2 MB in the beginning and 78.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 20.71 ms. Allocated memory is still 102.8 MB. Free memory was 78.0 MB in the beginning and 77.0 MB in the end (delta: 986.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 360.14 ms. Allocated memory is still 102.8 MB. Free memory was 77.0 MB in the beginning and 68.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
 * BuchiAutomizer took 10398.51 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 68.6 MB in the beginning and 64.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 53.9 MB. Max. memory is 16.1 GB.
 * Witness Printer took 64.47 ms. Allocated memory is still 123.7 MB. Free memory was 64.8 MB in the beginning and 62.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Constructed decomposition of program
    Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function -1 * \old(i) + \old(j) and consists of 4 locations.  The remainder module has 16 locations.
  - StatisticsResult: Timing statistics
    BüchiAutomizer plugin needed 10.3s and 2 iterations.  TraceHistogramMax:1. Analysis of lassos took 9.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 19.4ms AutomataMinimizationTime, 1 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 16 states and ocurred in iteration 1.	Nontrivial modules had stage [1, 0, 0, 0, 0].	InterpolantCoveringCapabilityFinite: 0/0	InterpolantCoveringCapabilityBuchi: 0/0	HoareTripleCheckerStatistics: 13 SDtfs, 20 SDslu, 4 SDs, 0 SdLazy, 22 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 37.0ms Time	LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks:   Lassos: inital60 mio100 ax100 hnf96 lsp172 ukn62 mio100 lsp100 div207 bol100 ite100 ukn100 eq138 hnf61 smp91 dnf356 smp41 tf101 neg99 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 128ms VariablesStem: 0 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 3 SupportingInvariants: 0 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0	LassoNonterminationAnalysisSatUnbounded: 0	LassoNonterminationAnalysisUnsat: 1	LassoNonterminationAnalysisUnknown: 0	LassoNonterminationAnalysisTime: 6.1s	
  - TerminationAnalysisResult: Nontermination possible
    Buchi Automizer proved that your program is nonterminating for some inputs
  - FixpointNonTerminationResult [Line: 13]: Nontermination argument in form of an infinite program execution.
    Nontermination argument in form of an infinite execution
State at position 0 is
{}
State at position 1 is
{\old(j)=0, \result=0, \old(i)=-1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6df006e5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b39a3e4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a91b4a7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2656fe2a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1513181d=0, NULL=0, i=-1, mid=0, j=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36ddceb=0, x=0, y=0}
  - StatisticsResult: NonterminationArgumentStatistics
    Fixpoint
  - NonterminatingLassoResult [Line: 13]: Nonterminating execution
    Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L19]              int x = __VERIFIER_nondet_int();
[L20]              int y = __VERIFIER_nondet_int();
[L22]  COND FALSE  !(!(-1073741823<=x && x<=1073741823))
[L23]  COND FALSE  !(!(-1073741823<=y && y<=1073741823))
[L24]  CALL        bsearch(x, y)
[L10]  COND FALSE  !(i>=j)
[L11]              int mid = (i+j)/2;
[L12]  COND TRUE   __VERIFIER_nondet_int()
Loop:
[L13]  CALL        bsearch(i,mid)
[L10]  COND FALSE  !(i>=j)
[L11]              int mid = (i+j)/2;
[L12]  COND TRUE   __VERIFIER_nondet_int()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2021-10-13 01:09:07,737 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e423d15-390d-4b64-b488-615d280f219f/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...