./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/list-properties/list_flag-1.i --full-output --architecture 32bit


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


Checking for memory safety (memcleanup)
Using default analysis
Version a4ecdabc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_55605794-703b-45bf-953f-8612a746485a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_55605794-703b-45bf-953f-8612a746485a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_55605794-703b-45bf-953f-8612a746485a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_55605794-703b-45bf-953f-8612a746485a/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/list_flag-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_55605794-703b-45bf-953f-8612a746485a/bin/uautomizer/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_55605794-703b-45bf-953f-8612a746485a/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d8f817036215afe0570c141fddfde907924f85b
...........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(valid-memcleanup)
--- Real Ultimate output ---
This is Ultimate 0.2.0-a4ecdab
[2020-11-28 03:10:34,726 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-11-28 03:10:34,728 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-11-28 03:10:34,796 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-11-28 03:10:34,797 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-11-28 03:10:34,799 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-11-28 03:10:34,801 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-11-28 03:10:34,820 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-11-28 03:10:34,823 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-11-28 03:10:34,824 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-11-28 03:10:34,826 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-11-28 03:10:34,848 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-11-28 03:10:34,849 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-11-28 03:10:34,856 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-11-28 03:10:34,858 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-11-28 03:10:34,860 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-11-28 03:10:34,861 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-11-28 03:10:34,863 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-11-28 03:10:34,865 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-11-28 03:10:34,878 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-11-28 03:10:34,881 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-11-28 03:10:34,884 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-11-28 03:10:34,888 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-11-28 03:10:34,892 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-11-28 03:10:34,896 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-11-28 03:10:34,897 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-11-28 03:10:34,897 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-11-28 03:10:34,900 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-11-28 03:10:34,901 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-11-28 03:10:34,902 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-11-28 03:10:34,903 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-11-28 03:10:34,904 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-11-28 03:10:34,907 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-11-28 03:10:34,909 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-11-28 03:10:34,910 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-11-28 03:10:34,910 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-11-28 03:10:34,911 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-11-28 03:10:34,912 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-11-28 03:10:34,912 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-11-28 03:10:34,913 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-11-28 03:10:34,914 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-11-28 03:10:34,916 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_55605794-703b-45bf-953f-8612a746485a/bin/uautomizer/config/svcomp-MemCleanup-32bit-Automizer_Default.epf
[2020-11-28 03:10:34,966 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-11-28 03:10:34,967 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-11-28 03:10:34,969 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-11-28 03:10:34,970 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-11-28 03:10:34,970 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-11-28 03:10:34,970 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-11-28 03:10:34,971 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-11-28 03:10:34,971 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2020-11-28 03:10:34,971 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-11-28 03:10:34,972 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-11-28 03:10:34,973 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-11-28 03:10:34,974 INFO  L138        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2020-11-28 03:10:34,974 INFO  L138        SettingsManager]:  * Bitprecise bitfields=true
[2020-11-28 03:10:34,974 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-11-28 03:10:34,975 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2020-11-28 03:10:34,975 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-11-28 03:10:34,975 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-11-28 03:10:34,975 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-11-28 03:10:34,976 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-11-28 03:10:34,976 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-11-28 03:10:34,976 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-11-28 03:10:34,977 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-11-28 03:10:34,977 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-11-28 03:10:34,977 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-11-28 03:10:34,978 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-11-28 03:10:34,978 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-11-28 03:10:34,978 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-11-28 03:10:34,979 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-vcloud-master/worker/run_dir_55605794-703b-45bf-953f-8612a746485a/bin/uautomizer/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-vcloud-master/worker/run_dir_55605794-703b-45bf-953f-8612a746485a/bin/uautomizer
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 valid-memcleanup) )


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 -> 8d8f817036215afe0570c141fddfde907924f85b
[2020-11-28 03:10:35,310 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-11-28 03:10:35,367 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-11-28 03:10:35,370 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-11-28 03:10:35,372 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-11-28 03:10:35,374 INFO  L275        PluginConnector]: CDTParser initialized
[2020-11-28 03:10:35,376 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_55605794-703b-45bf-953f-8612a746485a/bin/uautomizer/../../sv-benchmarks/c/list-properties/list_flag-1.i
[2020-11-28 03:10:35,468 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_55605794-703b-45bf-953f-8612a746485a/bin/uautomizer/data/2c094477a/20a57edcdaf74c38930de7677f58142e/FLAG5c0112d4d
[2020-11-28 03:10:36,155 INFO  L306              CDTParser]: Found 1 translation units.
[2020-11-28 03:10:36,156 INFO  L160              CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_55605794-703b-45bf-953f-8612a746485a/sv-benchmarks/c/list-properties/list_flag-1.i
[2020-11-28 03:10:36,180 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_55605794-703b-45bf-953f-8612a746485a/bin/uautomizer/data/2c094477a/20a57edcdaf74c38930de7677f58142e/FLAG5c0112d4d
[2020-11-28 03:10:36,400 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_55605794-703b-45bf-953f-8612a746485a/bin/uautomizer/data/2c094477a/20a57edcdaf74c38930de7677f58142e
[2020-11-28 03:10:36,404 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-11-28 03:10:36,405 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2020-11-28 03:10:36,407 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-11-28 03:10:36,408 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-11-28 03:10:36,412 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-11-28 03:10:36,413 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:10:36" (1/1) ...
[2020-11-28 03:10:36,415 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@399aa6ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:36, skipping insertion in model container
[2020-11-28 03:10:36,415 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:10:36" (1/1) ...
[2020-11-28 03:10:36,424 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-11-28 03:10:36,467 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-11-28 03:10:36,905 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-11-28 03:10:36,925 INFO  L203         MainTranslator]: Completed pre-run
[2020-11-28 03:10:37,011 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-11-28 03:10:37,093 INFO  L208         MainTranslator]: Completed translation
[2020-11-28 03:10:37,094 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:37 WrapperNode
[2020-11-28 03:10:37,094 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-11-28 03:10:37,096 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-11-28 03:10:37,096 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-11-28 03:10:37,097 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-11-28 03:10:37,111 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:37" (1/1) ...
[2020-11-28 03:10:37,111 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:37" (1/1) ...
[2020-11-28 03:10:37,155 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:37" (1/1) ...
[2020-11-28 03:10:37,156 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:37" (1/1) ...
[2020-11-28 03:10:37,183 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:37" (1/1) ...
[2020-11-28 03:10:37,190 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:37" (1/1) ...
[2020-11-28 03:10:37,195 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:37" (1/1) ...
[2020-11-28 03:10:37,203 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-11-28 03:10:37,205 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-11-28 03:10:37,205 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-11-28 03:10:37,205 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-11-28 03:10:37,206 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:37" (1/1) ...
No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_55605794-703b-45bf-953f-8612a746485a/bin/uautomizer/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
[2020-11-28 03:10:37,290 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-11-28 03:10:37,291 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-11-28 03:10:37,291 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2020-11-28 03:10:37,292 INFO  L138     BoogieDeclarations]: Found implementation of procedure __bswap_32
[2020-11-28 03:10:37,292 INFO  L138     BoogieDeclarations]: Found implementation of procedure __bswap_64
[2020-11-28 03:10:37,292 INFO  L138     BoogieDeclarations]: Found implementation of procedure __uint16_identity
[2020-11-28 03:10:37,293 INFO  L138     BoogieDeclarations]: Found implementation of procedure __uint32_identity
[2020-11-28 03:10:37,293 INFO  L138     BoogieDeclarations]: Found implementation of procedure __uint64_identity
[2020-11-28 03:10:37,293 INFO  L138     BoogieDeclarations]: Found implementation of procedure myexit
[2020-11-28 03:10:37,293 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-11-28 03:10:37,294 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2020-11-28 03:10:37,294 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-11-28 03:10:37,294 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_perror_fail
[2020-11-28 03:10:37,295 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert
[2020-11-28 03:10:37,295 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2020-11-28 03:10:37,295 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-11-28 03:10:37,296 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-11-28 03:10:37,296 INFO  L130     BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2020-11-28 03:10:37,296 INFO  L130     BoogieDeclarations]: Found specification of procedure atof
[2020-11-28 03:10:37,296 INFO  L130     BoogieDeclarations]: Found specification of procedure atoi
[2020-11-28 03:10:37,297 INFO  L130     BoogieDeclarations]: Found specification of procedure atol
[2020-11-28 03:10:37,297 INFO  L130     BoogieDeclarations]: Found specification of procedure atoll
[2020-11-28 03:10:37,297 INFO  L130     BoogieDeclarations]: Found specification of procedure strtod
[2020-11-28 03:10:37,298 INFO  L130     BoogieDeclarations]: Found specification of procedure strtof
[2020-11-28 03:10:37,298 INFO  L130     BoogieDeclarations]: Found specification of procedure strtold
[2020-11-28 03:10:37,298 INFO  L130     BoogieDeclarations]: Found specification of procedure strtol
[2020-11-28 03:10:37,298 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoul
[2020-11-28 03:10:37,299 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoq
[2020-11-28 03:10:37,299 INFO  L130     BoogieDeclarations]: Found specification of procedure strtouq
[2020-11-28 03:10:37,299 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoll
[2020-11-28 03:10:37,299 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoull
[2020-11-28 03:10:37,300 INFO  L130     BoogieDeclarations]: Found specification of procedure l64a
[2020-11-28 03:10:37,300 INFO  L130     BoogieDeclarations]: Found specification of procedure a64l
[2020-11-28 03:10:37,300 INFO  L130     BoogieDeclarations]: Found specification of procedure __bswap_32
[2020-11-28 03:10:37,301 INFO  L130     BoogieDeclarations]: Found specification of procedure __bswap_64
[2020-11-28 03:10:37,301 INFO  L130     BoogieDeclarations]: Found specification of procedure __uint16_identity
[2020-11-28 03:10:37,301 INFO  L130     BoogieDeclarations]: Found specification of procedure __uint32_identity
[2020-11-28 03:10:37,302 INFO  L130     BoogieDeclarations]: Found specification of procedure __uint64_identity
[2020-11-28 03:10:37,302 INFO  L130     BoogieDeclarations]: Found specification of procedure select
[2020-11-28 03:10:37,302 INFO  L130     BoogieDeclarations]: Found specification of procedure pselect
[2020-11-28 03:10:37,302 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2020-11-28 03:10:37,303 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2020-11-28 03:10:37,303 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2020-11-28 03:10:37,303 INFO  L130     BoogieDeclarations]: Found specification of procedure random
[2020-11-28 03:10:37,304 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom
[2020-11-28 03:10:37,304 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate
[2020-11-28 03:10:37,304 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate
[2020-11-28 03:10:37,305 INFO  L130     BoogieDeclarations]: Found specification of procedure random_r
[2020-11-28 03:10:37,305 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom_r
[2020-11-28 03:10:37,305 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate_r
[2020-11-28 03:10:37,305 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate_r
[2020-11-28 03:10:37,306 INFO  L130     BoogieDeclarations]: Found specification of procedure rand
[2020-11-28 03:10:37,306 INFO  L130     BoogieDeclarations]: Found specification of procedure srand
[2020-11-28 03:10:37,306 INFO  L130     BoogieDeclarations]: Found specification of procedure rand_r
[2020-11-28 03:10:37,307 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48
[2020-11-28 03:10:37,307 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48
[2020-11-28 03:10:37,307 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48
[2020-11-28 03:10:37,308 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48
[2020-11-28 03:10:37,308 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48
[2020-11-28 03:10:37,308 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48
[2020-11-28 03:10:37,309 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48
[2020-11-28 03:10:37,309 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48
[2020-11-28 03:10:37,309 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48
[2020-11-28 03:10:37,309 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48_r
[2020-11-28 03:10:37,310 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48_r
[2020-11-28 03:10:37,310 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48_r
[2020-11-28 03:10:37,310 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48_r
[2020-11-28 03:10:37,310 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48_r
[2020-11-28 03:10:37,311 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48_r
[2020-11-28 03:10:37,311 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48_r
[2020-11-28 03:10:37,311 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48_r
[2020-11-28 03:10:37,311 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48_r
[2020-11-28 03:10:37,312 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-11-28 03:10:37,312 INFO  L130     BoogieDeclarations]: Found specification of procedure calloc
[2020-11-28 03:10:37,312 INFO  L130     BoogieDeclarations]: Found specification of procedure realloc
[2020-11-28 03:10:37,312 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-11-28 03:10:37,313 INFO  L130     BoogieDeclarations]: Found specification of procedure alloca
[2020-11-28 03:10:37,313 INFO  L130     BoogieDeclarations]: Found specification of procedure valloc
[2020-11-28 03:10:37,313 INFO  L130     BoogieDeclarations]: Found specification of procedure posix_memalign
[2020-11-28 03:10:37,313 INFO  L130     BoogieDeclarations]: Found specification of procedure aligned_alloc
[2020-11-28 03:10:37,314 INFO  L130     BoogieDeclarations]: Found specification of procedure atexit
[2020-11-28 03:10:37,314 INFO  L130     BoogieDeclarations]: Found specification of procedure at_quick_exit
[2020-11-28 03:10:37,314 INFO  L130     BoogieDeclarations]: Found specification of procedure on_exit
[2020-11-28 03:10:37,314 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2020-11-28 03:10:37,315 INFO  L130     BoogieDeclarations]: Found specification of procedure quick_exit
[2020-11-28 03:10:37,315 INFO  L130     BoogieDeclarations]: Found specification of procedure _Exit
[2020-11-28 03:10:37,315 INFO  L130     BoogieDeclarations]: Found specification of procedure getenv
[2020-11-28 03:10:37,315 INFO  L130     BoogieDeclarations]: Found specification of procedure putenv
[2020-11-28 03:10:37,316 INFO  L130     BoogieDeclarations]: Found specification of procedure setenv
[2020-11-28 03:10:37,316 INFO  L130     BoogieDeclarations]: Found specification of procedure unsetenv
[2020-11-28 03:10:37,316 INFO  L130     BoogieDeclarations]: Found specification of procedure clearenv
[2020-11-28 03:10:37,316 INFO  L130     BoogieDeclarations]: Found specification of procedure mktemp
[2020-11-28 03:10:37,317 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemp
[2020-11-28 03:10:37,317 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemps
[2020-11-28 03:10:37,317 INFO  L130     BoogieDeclarations]: Found specification of procedure mkdtemp
[2020-11-28 03:10:37,317 INFO  L130     BoogieDeclarations]: Found specification of procedure system
[2020-11-28 03:10:37,318 INFO  L130     BoogieDeclarations]: Found specification of procedure realpath
[2020-11-28 03:10:37,318 INFO  L130     BoogieDeclarations]: Found specification of procedure bsearch
[2020-11-28 03:10:37,318 INFO  L130     BoogieDeclarations]: Found specification of procedure qsort
[2020-11-28 03:10:37,318 INFO  L130     BoogieDeclarations]: Found specification of procedure abs
[2020-11-28 03:10:37,319 INFO  L130     BoogieDeclarations]: Found specification of procedure labs
[2020-11-28 03:10:37,319 INFO  L130     BoogieDeclarations]: Found specification of procedure llabs
[2020-11-28 03:10:37,319 INFO  L130     BoogieDeclarations]: Found specification of procedure div
[2020-11-28 03:10:37,319 INFO  L130     BoogieDeclarations]: Found specification of procedure ldiv
[2020-11-28 03:10:37,320 INFO  L130     BoogieDeclarations]: Found specification of procedure lldiv
[2020-11-28 03:10:37,320 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt
[2020-11-28 03:10:37,320 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt
[2020-11-28 03:10:37,320 INFO  L130     BoogieDeclarations]: Found specification of procedure gcvt
[2020-11-28 03:10:37,321 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt
[2020-11-28 03:10:37,321 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt
[2020-11-28 03:10:37,321 INFO  L130     BoogieDeclarations]: Found specification of procedure qgcvt
[2020-11-28 03:10:37,321 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt_r
[2020-11-28 03:10:37,322 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt_r
[2020-11-28 03:10:37,322 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt_r
[2020-11-28 03:10:37,322 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt_r
[2020-11-28 03:10:37,323 INFO  L130     BoogieDeclarations]: Found specification of procedure mblen
[2020-11-28 03:10:37,323 INFO  L130     BoogieDeclarations]: Found specification of procedure mbtowc
[2020-11-28 03:10:37,323 INFO  L130     BoogieDeclarations]: Found specification of procedure wctomb
[2020-11-28 03:10:37,323 INFO  L130     BoogieDeclarations]: Found specification of procedure mbstowcs
[2020-11-28 03:10:37,324 INFO  L130     BoogieDeclarations]: Found specification of procedure wcstombs
[2020-11-28 03:10:37,324 INFO  L130     BoogieDeclarations]: Found specification of procedure rpmatch
[2020-11-28 03:10:37,324 INFO  L130     BoogieDeclarations]: Found specification of procedure getsubopt
[2020-11-28 03:10:37,324 INFO  L130     BoogieDeclarations]: Found specification of procedure getloadavg
[2020-11-28 03:10:37,325 INFO  L130     BoogieDeclarations]: Found specification of procedure myexit
[2020-11-28 03:10:37,325 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-11-28 03:10:37,325 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-11-28 03:10:37,325 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-11-28 03:10:37,326 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-11-28 03:10:37,326 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-11-28 03:10:37,326 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-11-28 03:10:37,326 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-11-28 03:10:37,327 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-11-28 03:10:37,327 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-11-28 03:10:37,327 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-11-28 03:10:37,734 INFO  L751   $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true;
[2020-11-28 03:10:38,109 INFO  L293             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-11-28 03:10:38,110 INFO  L298             CfgBuilder]: Removed 3 assume(true) statements.
[2020-11-28 03:10:38,113 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:10:38 BoogieIcfgContainer
[2020-11-28 03:10:38,113 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-11-28 03:10:38,119 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-11-28 03:10:38,119 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-11-28 03:10:38,124 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-11-28 03:10:38,124 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:10:36" (1/3) ...
[2020-11-28 03:10:38,125 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4811757c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:10:38, skipping insertion in model container
[2020-11-28 03:10:38,126 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:37" (2/3) ...
[2020-11-28 03:10:38,126 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4811757c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:10:38, skipping insertion in model container
[2020-11-28 03:10:38,126 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:10:38" (3/3) ...
[2020-11-28 03:10:38,128 INFO  L111   eAbstractionObserver]: Analyzing ICFG list_flag-1.i
[2020-11-28 03:10:38,142 INFO  L164   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-11-28 03:10:38,148 INFO  L176   ceAbstractionStarter]: Appying trace abstraction to program that has 22 error locations.
[2020-11-28 03:10:38,163 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 22 error locations.
[2020-11-28 03:10:38,190 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2020-11-28 03:10:38,191 INFO  L378      AbstractCegarLoop]: Hoare is false
[2020-11-28 03:10:38,191 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-11-28 03:10:38,191 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-11-28 03:10:38,191 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-11-28 03:10:38,192 INFO  L382      AbstractCegarLoop]: Difference is false
[2020-11-28 03:10:38,192 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-11-28 03:10:38,192 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-11-28 03:10:38,216 INFO  L276                IsEmpty]: Start isEmpty. Operand 67 states.
[2020-11-28 03:10:38,230 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2020-11-28 03:10:38,263 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-28 03:10:38,264 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-28 03:10:38,265 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr20ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION]===
[2020-11-28 03:10:38,275 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-28 03:10:38,275 INFO  L82        PathProgramCache]: Analyzing trace with hash 884508361, now seen corresponding path program 1 times
[2020-11-28 03:10:38,288 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-28 03:10:38,290 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627659567]
[2020-11-28 03:10:38,291 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-28 03:10:38,448 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:10:38,570 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-28 03:10:38,577 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:10:38,593 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-28 03:10:38,594 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627659567]
[2020-11-28 03:10:38,595 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-28 03:10:38,595 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-11-28 03:10:38,596 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061862880]
[2020-11-28 03:10:38,601 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-11-28 03:10:38,601 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-28 03:10:38,618 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-11-28 03:10:38,619 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-28 03:10:38,621 INFO  L87              Difference]: Start difference. First operand 67 states. Second operand 3 states.
[2020-11-28 03:10:38,833 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-28 03:10:38,834 INFO  L93              Difference]: Finished difference Result 64 states and 70 transitions.
[2020-11-28 03:10:38,835 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-11-28 03:10:38,837 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 10
[2020-11-28 03:10:38,837 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-28 03:10:38,857 INFO  L225             Difference]: With dead ends: 64
[2020-11-28 03:10:38,870 INFO  L226             Difference]: Without dead ends: 57
[2020-11-28 03:10:38,872 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-11-28 03:10:38,897 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57 states.
[2020-11-28 03:10:38,920 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57.
[2020-11-28 03:10:38,922 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 57 states.
[2020-11-28 03:10:38,928 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions.
[2020-11-28 03:10:38,930 INFO  L78                 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 10
[2020-11-28 03:10:38,930 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-28 03:10:38,931 INFO  L481      AbstractCegarLoop]: Abstraction has 57 states and 61 transitions.
[2020-11-28 03:10:38,931 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-11-28 03:10:38,931 INFO  L276                IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions.
[2020-11-28 03:10:38,934 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2020-11-28 03:10:38,934 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-28 03:10:38,934 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-28 03:10:38,935 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-11-28 03:10:38,935 INFO  L429      AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr20ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION]===
[2020-11-28 03:10:38,937 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-28 03:10:38,937 INFO  L82        PathProgramCache]: Analyzing trace with hash 1649921759, now seen corresponding path program 1 times
[2020-11-28 03:10:38,937 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-28 03:10:38,938 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230964593]
[2020-11-28 03:10:38,938 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-28 03:10:39,000 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:10:39,107 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-28 03:10:39,110 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:10:39,121 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-28 03:10:39,121 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230964593]
[2020-11-28 03:10:39,122 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-28 03:10:39,122 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-11-28 03:10:39,122 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004298530]
[2020-11-28 03:10:39,124 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-11-28 03:10:39,124 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-28 03:10:39,125 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-11-28 03:10:39,125 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-11-28 03:10:39,126 INFO  L87              Difference]: Start difference. First operand 57 states and 61 transitions. Second operand 5 states.
[2020-11-28 03:10:39,401 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-28 03:10:39,401 INFO  L93              Difference]: Finished difference Result 65 states and 71 transitions.
[2020-11-28 03:10:39,402 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-11-28 03:10:39,403 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 11
[2020-11-28 03:10:39,403 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-28 03:10:39,406 INFO  L225             Difference]: With dead ends: 65
[2020-11-28 03:10:39,406 INFO  L226             Difference]: Without dead ends: 65
[2020-11-28 03:10:39,407 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-11-28 03:10:39,407 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 65 states.
[2020-11-28 03:10:39,419 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 60.
[2020-11-28 03:10:39,419 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 60 states.
[2020-11-28 03:10:39,423 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 71 transitions.
[2020-11-28 03:10:39,424 INFO  L78                 Accepts]: Start accepts. Automaton has 60 states and 71 transitions. Word has length 11
[2020-11-28 03:10:39,424 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-28 03:10:39,424 INFO  L481      AbstractCegarLoop]: Abstraction has 60 states and 71 transitions.
[2020-11-28 03:10:39,425 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-11-28 03:10:39,425 INFO  L276                IsEmpty]: Start isEmpty. Operand 60 states and 71 transitions.
[2020-11-28 03:10:39,425 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2020-11-28 03:10:39,426 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-28 03:10:39,426 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-28 03:10:39,426 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-11-28 03:10:39,427 INFO  L429      AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr20ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION]===
[2020-11-28 03:10:39,433 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-28 03:10:39,433 INFO  L82        PathProgramCache]: Analyzing trace with hash 1649921760, now seen corresponding path program 1 times
[2020-11-28 03:10:39,434 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-28 03:10:39,434 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908009785]
[2020-11-28 03:10:39,435 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-28 03:10:39,484 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:10:39,601 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-11-28 03:10:39,604 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-11-28 03:10:39,617 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-11-28 03:10:39,625 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908009785]
[2020-11-28 03:10:39,626 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-11-28 03:10:39,627 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2020-11-28 03:10:39,627 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686141435]
[2020-11-28 03:10:39,630 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-11-28 03:10:39,630 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-11-28 03:10:39,632 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-11-28 03:10:39,632 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2020-11-28 03:10:39,633 INFO  L87              Difference]: Start difference. First operand 60 states and 71 transitions. Second operand 5 states.
[2020-11-28 03:10:39,929 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-11-28 03:10:39,930 INFO  L93              Difference]: Finished difference Result 77 states and 85 transitions.
[2020-11-28 03:10:39,930 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-11-28 03:10:39,931 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 11
[2020-11-28 03:10:39,931 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-11-28 03:10:39,933 INFO  L225             Difference]: With dead ends: 77
[2020-11-28 03:10:39,933 INFO  L226             Difference]: Without dead ends: 77
[2020-11-28 03:10:39,934 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2020-11-28 03:10:39,934 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 77 states.
[2020-11-28 03:10:39,948 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 69.
[2020-11-28 03:10:39,951 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 69 states.
[2020-11-28 03:10:39,959 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 77 transitions.
[2020-11-28 03:10:39,962 INFO  L78                 Accepts]: Start accepts. Automaton has 69 states and 77 transitions. Word has length 11
[2020-11-28 03:10:39,963 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-11-28 03:10:39,963 INFO  L481      AbstractCegarLoop]: Abstraction has 69 states and 77 transitions.
[2020-11-28 03:10:39,963 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-11-28 03:10:39,963 INFO  L276                IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions.
[2020-11-28 03:10:39,964 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2020-11-28 03:10:39,964 INFO  L414         BasicCegarLoop]: Found error trace
[2020-11-28 03:10:39,965 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-11-28 03:10:39,965 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2020-11-28 03:10:39,965 INFO  L429      AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr20ENSURES_VIOLATIONMEMORY_LEAK, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION]===
[2020-11-28 03:10:39,967 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-11-28 03:10:39,967 INFO  L82        PathProgramCache]: Analyzing trace with hash -590364418, now seen corresponding path program 1 times
[2020-11-28 03:10:39,968 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-11-28 03:10:39,968 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964266251]
[2020-11-28 03:10:39,969 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-11-28 03:10:39,994 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-11-28 03:10:39,994 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-11-28 03:10:40,019 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-11-28 03:10:40,019 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-11-28 03:10:40,068 INFO  L173   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2020-11-28 03:10:40,068 INFO  L523         BasicCegarLoop]: Counterexample might be feasible
[2020-11-28 03:10:40,068 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-11-28 03:10:40,082 WARN  L417   cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true)
[2020-11-28 03:10:40,097 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:10:40 BoogieIcfgContainer
[2020-11-28 03:10:40,099 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-11-28 03:10:40,103 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2020-11-28 03:10:40,103 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2020-11-28 03:10:40,103 INFO  L275        PluginConnector]: Witness Printer initialized
[2020-11-28 03:10:40,104 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:10:38" (3/4) ...
[2020-11-28 03:10:40,106 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2020-11-28 03:10:40,118 WARN  L417   cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true)
[2020-11-28 03:10:40,188 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_55605794-703b-45bf-953f-8612a746485a/bin/uautomizer/witness.graphml
[2020-11-28 03:10:40,189 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2020-11-28 03:10:40,191 INFO  L168              Benchmark]: Toolchain (without parser) took 3784.24 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 63.7 MB in the beginning and 62.7 MB in the end (delta: 932.2 kB). Peak memory consumption was 33.7 MB. Max. memory is 16.1 GB.
[2020-11-28 03:10:40,191 INFO  L168              Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 96.5 MB. Free memory was 54.3 MB in the beginning and 54.2 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2020-11-28 03:10:40,192 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 688.02 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 63.7 MB in the beginning and 93.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2020-11-28 03:10:40,193 INFO  L168              Benchmark]: Boogie Preprocessor took 107.54 ms. Allocated memory is still 130.0 MB. Free memory was 93.5 MB in the beginning and 90.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2020-11-28 03:10:40,193 INFO  L168              Benchmark]: RCFGBuilder took 910.02 ms. Allocated memory is still 130.0 MB. Free memory was 90.9 MB in the beginning and 44.7 MB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB.
[2020-11-28 03:10:40,194 INFO  L168              Benchmark]: TraceAbstraction took 1982.98 ms. Allocated memory is still 130.0 MB. Free memory was 44.3 MB in the beginning and 64.8 MB in the end (delta: -20.5 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2020-11-28 03:10:40,195 INFO  L168              Benchmark]: Witness Printer took 86.05 ms. Allocated memory is still 130.0 MB. Free memory was 64.7 MB in the beginning and 62.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2020-11-28 03:10:40,198 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.81 ms. Allocated memory is still 96.5 MB. Free memory was 54.3 MB in the beginning and 54.2 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 688.02 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 63.7 MB in the beginning and 93.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 107.54 ms. Allocated memory is still 130.0 MB. Free memory was 93.5 MB in the beginning and 90.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 910.02 ms. Allocated memory is still 130.0 MB. Free memory was 90.9 MB in the beginning and 44.7 MB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 1982.98 ms. Allocated memory is still 130.0 MB. Free memory was 44.3 MB in the beginning and 64.8 MB in the end (delta: -20.5 MB). There was no memory consumed. Max. memory is 16.1 GB.
 * Witness Printer took 86.05 ms. Allocated memory is still 130.0 MB. Free memory was 64.7 MB in the beginning and 62.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor:
  - GenericResult: Unfinished Backtranslation
    Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true)
  - GenericResult: Unfinished Backtranslation
    Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true)
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - CounterExampleResult [Line: 531]: not all allocated memory was freed
    not all allocated memory was freed
We found a FailurePath: 
[L532]              int flag = __VERIFIER_nondet_int();
[L533]              List p, a, t;
[L534]              a = (List) malloc(sizeof(struct node))
        VAL         [a={-1:0}, flag=0, malloc(sizeof(struct node))={-1:0}]
[L535]  COND FALSE  !(a == 0)
        VAL         [a={-1:0}, flag=0, malloc(sizeof(struct node))={-1:0}]
[L536]              p = a
        VAL         [a={-1:0}, flag=0, malloc(sizeof(struct node))={-1:0}, p={-1:0}]
[L537]  COND FALSE  !(__VERIFIER_nondet_int())
[L548]              p->h = 3
        VAL         [a={-1:0}, flag=0, malloc(sizeof(struct node))={-1:0}, p={-1:0}]
[L549]              p = a
        VAL         [a={-1:0}, flag=0, malloc(sizeof(struct node))={-1:0}, p={-1:0}]
[L550]  COND FALSE  !(\read(flag))
        VAL         [a={-1:0}, flag=0, malloc(sizeof(struct node))={-1:0}, p={-1:0}]
[L554]  EXPR        p->h
        VAL         [a={-1:0}, flag=0, malloc(sizeof(struct node))={-1:0}, p={-1:0}, p->h=3]
[L554]  COND FALSE  !(p->h == 1)
[L556]  EXPR        p->h
        VAL         [a={-1:0}, flag=0, malloc(sizeof(struct node))={-1:0}, p={-1:0}, p->h=3]
[L556]  COND FALSE  !(p->h != 3)

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 10 procedures, 83 locations, 22 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 122 SDtfs, 194 SDslu, 42 SDs, 0 SdLazy, 277 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 1577 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...