./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/heap-manipulation/tree-1.i --full-output --architecture 32bit


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


Checking for memory safety (deref-memtrack)
Using default analysis
Version e943c265
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e6f82e-24c7-4e71-a55e-b024841a11c8/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e6f82e-24c7-4e71-a55e-b024841a11c8/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e6f82e-24c7-4e71-a55e-b024841a11c8/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e6f82e-24c7-4e71-a55e-b024841a11c8/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e6f82e-24c7-4e71-a55e-b024841a11c8/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e6f82e-24c7-4e71-a55e-b024841a11c8/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ece22aa46ab9b41e175a6e56e33a82bfcb1631b8b1756982ada9cc721520a85e
...........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(valid-deref)
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-e943c26
[2021-10-21 20:03:24,442 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-21 20:03:24,445 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-21 20:03:24,491 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-21 20:03:24,491 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-21 20:03:24,496 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-21 20:03:24,498 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-21 20:03:24,502 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-21 20:03:24,504 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-21 20:03:24,510 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-21 20:03:24,511 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-21 20:03:24,513 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-21 20:03:24,514 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-21 20:03:24,517 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-21 20:03:24,519 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-21 20:03:24,527 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-21 20:03:24,529 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-21 20:03:24,530 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-21 20:03:24,533 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-21 20:03:24,544 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-21 20:03:24,545 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-21 20:03:24,547 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-21 20:03:24,550 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-21 20:03:24,551 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-21 20:03:24,560 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-21 20:03:24,561 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-21 20:03:24,561 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-21 20:03:24,563 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-21 20:03:24,564 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-21 20:03:24,565 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-21 20:03:24,566 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-21 20:03:24,567 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-21 20:03:24,569 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-21 20:03:24,570 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-21 20:03:24,571 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-21 20:03:24,572 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-21 20:03:24,572 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-21 20:03:24,573 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-21 20:03:24,573 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-21 20:03:24,574 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-21 20:03:24,575 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-21 20:03:24,576 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e6f82e-24c7-4e71-a55e-b024841a11c8/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2021-10-21 20:03:24,628 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-21 20:03:24,628 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-21 20:03:24,629 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-21 20:03:24,629 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-21 20:03:24,636 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-21 20:03:24,636 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-21 20:03:24,636 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-21 20:03:24,636 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-21 20:03:24,636 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-21 20:03:24,637 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-10-21 20:03:24,637 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-21 20:03:24,637 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-21 20:03:24,637 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-21 20:03:24,637 INFO  L138        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2021-10-21 20:03:24,638 INFO  L138        SettingsManager]:  * Bitprecise bitfields=true
[2021-10-21 20:03:24,638 INFO  L138        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2021-10-21 20:03:24,638 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-21 20:03:24,638 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2021-10-21 20:03:24,639 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-21 20:03:24,639 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-21 20:03:24,639 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-21 20:03:24,639 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-21 20:03:24,640 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-21 20:03:24,640 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-21 20:03:24,640 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-21 20:03:24,640 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-21 20:03:24,641 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-21 20:03:24,641 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-21 20:03:24,641 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-21 20:03:24,641 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e6f82e-24c7-4e71-a55e-b024841a11c8/bin/uautomizer-j4sWxH34Be/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_37e6f82e-24c7-4e71-a55e-b024841a11c8/bin/uautomizer-j4sWxH34Be
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-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )


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 -> ece22aa46ab9b41e175a6e56e33a82bfcb1631b8b1756982ada9cc721520a85e
[2021-10-21 20:03:24,940 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-21 20:03:24,963 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-21 20:03:24,966 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-21 20:03:24,968 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-21 20:03:24,969 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-21 20:03:24,970 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e6f82e-24c7-4e71-a55e-b024841a11c8/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/heap-manipulation/tree-1.i
[2021-10-21 20:03:25,041 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e6f82e-24c7-4e71-a55e-b024841a11c8/bin/uautomizer-j4sWxH34Be/data/1c759c5cc/8364de0af6764538bdb4555766da7e85/FLAG940ddf2b4
[2021-10-21 20:03:25,689 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-21 20:03:25,690 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e6f82e-24c7-4e71-a55e-b024841a11c8/sv-benchmarks/c/heap-manipulation/tree-1.i
[2021-10-21 20:03:25,716 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e6f82e-24c7-4e71-a55e-b024841a11c8/bin/uautomizer-j4sWxH34Be/data/1c759c5cc/8364de0af6764538bdb4555766da7e85/FLAG940ddf2b4
[2021-10-21 20:03:25,965 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e6f82e-24c7-4e71-a55e-b024841a11c8/bin/uautomizer-j4sWxH34Be/data/1c759c5cc/8364de0af6764538bdb4555766da7e85
[2021-10-21 20:03:25,968 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-21 20:03:25,970 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2021-10-21 20:03:25,971 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-21 20:03:25,971 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-21 20:03:25,975 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-21 20:03:25,976 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:03:25" (1/1) ...
[2021-10-21 20:03:25,977 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@294baa00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:25, skipping insertion in model container
[2021-10-21 20:03:25,977 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:03:25" (1/1) ...
[2021-10-21 20:03:25,984 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-21 20:03:26,030 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-21 20:03:26,319 WARN  L228   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e6f82e-24c7-4e71-a55e-b024841a11c8/sv-benchmarks/c/heap-manipulation/tree-1.i[22626,22639]
[2021-10-21 20:03:26,341 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-21 20:03:26,350 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-21 20:03:26,382 WARN  L228   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e6f82e-24c7-4e71-a55e-b024841a11c8/sv-benchmarks/c/heap-manipulation/tree-1.i[22626,22639]
[2021-10-21 20:03:26,394 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-21 20:03:26,425 INFO  L208         MainTranslator]: Completed translation
[2021-10-21 20:03:26,426 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:26 WrapperNode
[2021-10-21 20:03:26,426 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-21 20:03:26,427 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-21 20:03:26,428 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-21 20:03:26,428 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-21 20:03:26,439 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:26" (1/1) ...
[2021-10-21 20:03:26,440 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:26" (1/1) ...
[2021-10-21 20:03:26,454 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:26" (1/1) ...
[2021-10-21 20:03:26,455 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:26" (1/1) ...
[2021-10-21 20:03:26,490 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:26" (1/1) ...
[2021-10-21 20:03:26,496 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:26" (1/1) ...
[2021-10-21 20:03:26,499 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:26" (1/1) ...
[2021-10-21 20:03:26,508 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-21 20:03:26,513 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-21 20:03:26,513 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-21 20:03:26,514 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-21 20:03:26,515 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:26" (1/1) ...
[2021-10-21 20:03:26,522 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-21 20:03:26,533 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e6f82e-24c7-4e71-a55e-b024841a11c8/bin/uautomizer-j4sWxH34Be/z3
[2021-10-21 20:03:26,545 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e6f82e-24c7-4e71-a55e-b024841a11c8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-21 20:03:26,549 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e6f82e-24c7-4e71-a55e-b024841a11c8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-21 20:03:26,583 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2021-10-21 20:03:26,583 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-21 20:03:26,584 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2021-10-21 20:03:26,584 INFO  L138     BoogieDeclarations]: Found implementation of procedure __bswap_32
[2021-10-21 20:03:26,585 INFO  L138     BoogieDeclarations]: Found implementation of procedure __bswap_64
[2021-10-21 20:03:26,586 INFO  L138     BoogieDeclarations]: Found implementation of procedure fail
[2021-10-21 20:03:26,586 INFO  L138     BoogieDeclarations]: Found implementation of procedure inspect
[2021-10-21 20:03:26,586 INFO  L138     BoogieDeclarations]: Found implementation of procedure create_tree
[2021-10-21 20:03:26,586 INFO  L138     BoogieDeclarations]: Found implementation of procedure free_tree
[2021-10-21 20:03:26,587 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2021-10-21 20:03:26,587 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2021-10-21 20:03:26,587 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2021-10-21 20:03:26,587 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_perror_fail
[2021-10-21 20:03:26,588 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert
[2021-10-21 20:03:26,588 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2021-10-21 20:03:26,588 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-21 20:03:26,588 INFO  L130     BoogieDeclarations]: Found specification of procedure __bswap_32
[2021-10-21 20:03:26,588 INFO  L130     BoogieDeclarations]: Found specification of procedure __bswap_64
[2021-10-21 20:03:26,588 INFO  L130     BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2021-10-21 20:03:26,589 INFO  L130     BoogieDeclarations]: Found specification of procedure atof
[2021-10-21 20:03:26,589 INFO  L130     BoogieDeclarations]: Found specification of procedure atoi
[2021-10-21 20:03:26,589 INFO  L130     BoogieDeclarations]: Found specification of procedure atol
[2021-10-21 20:03:26,589 INFO  L130     BoogieDeclarations]: Found specification of procedure atoll
[2021-10-21 20:03:26,589 INFO  L130     BoogieDeclarations]: Found specification of procedure strtod
[2021-10-21 20:03:26,589 INFO  L130     BoogieDeclarations]: Found specification of procedure strtof
[2021-10-21 20:03:26,589 INFO  L130     BoogieDeclarations]: Found specification of procedure strtold
[2021-10-21 20:03:26,590 INFO  L130     BoogieDeclarations]: Found specification of procedure strtol
[2021-10-21 20:03:26,590 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoul
[2021-10-21 20:03:26,590 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoq
[2021-10-21 20:03:26,590 INFO  L130     BoogieDeclarations]: Found specification of procedure strtouq
[2021-10-21 20:03:26,590 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoll
[2021-10-21 20:03:26,590 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoull
[2021-10-21 20:03:26,590 INFO  L130     BoogieDeclarations]: Found specification of procedure l64a
[2021-10-21 20:03:26,591 INFO  L130     BoogieDeclarations]: Found specification of procedure a64l
[2021-10-21 20:03:26,591 INFO  L130     BoogieDeclarations]: Found specification of procedure select
[2021-10-21 20:03:26,591 INFO  L130     BoogieDeclarations]: Found specification of procedure pselect
[2021-10-21 20:03:26,591 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2021-10-21 20:03:26,591 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2021-10-21 20:03:26,591 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2021-10-21 20:03:26,591 INFO  L130     BoogieDeclarations]: Found specification of procedure random
[2021-10-21 20:03:26,592 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom
[2021-10-21 20:03:26,592 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate
[2021-10-21 20:03:26,592 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate
[2021-10-21 20:03:26,592 INFO  L130     BoogieDeclarations]: Found specification of procedure random_r
[2021-10-21 20:03:26,592 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom_r
[2021-10-21 20:03:26,592 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate_r
[2021-10-21 20:03:26,593 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate_r
[2021-10-21 20:03:26,593 INFO  L130     BoogieDeclarations]: Found specification of procedure rand
[2021-10-21 20:03:26,593 INFO  L130     BoogieDeclarations]: Found specification of procedure srand
[2021-10-21 20:03:26,594 INFO  L130     BoogieDeclarations]: Found specification of procedure rand_r
[2021-10-21 20:03:26,594 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48
[2021-10-21 20:03:26,594 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48
[2021-10-21 20:03:26,595 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48
[2021-10-21 20:03:26,595 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48
[2021-10-21 20:03:26,595 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48
[2021-10-21 20:03:26,595 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48
[2021-10-21 20:03:26,596 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48
[2021-10-21 20:03:26,596 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48
[2021-10-21 20:03:26,596 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48
[2021-10-21 20:03:26,596 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48_r
[2021-10-21 20:03:26,596 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48_r
[2021-10-21 20:03:26,596 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48_r
[2021-10-21 20:03:26,596 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48_r
[2021-10-21 20:03:26,597 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48_r
[2021-10-21 20:03:26,597 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48_r
[2021-10-21 20:03:26,597 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48_r
[2021-10-21 20:03:26,598 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48_r
[2021-10-21 20:03:26,599 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48_r
[2021-10-21 20:03:26,599 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2021-10-21 20:03:26,600 INFO  L130     BoogieDeclarations]: Found specification of procedure calloc
[2021-10-21 20:03:26,600 INFO  L130     BoogieDeclarations]: Found specification of procedure realloc
[2021-10-21 20:03:26,600 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2021-10-21 20:03:26,600 INFO  L130     BoogieDeclarations]: Found specification of procedure cfree
[2021-10-21 20:03:26,600 INFO  L130     BoogieDeclarations]: Found specification of procedure alloca
[2021-10-21 20:03:26,600 INFO  L130     BoogieDeclarations]: Found specification of procedure valloc
[2021-10-21 20:03:26,601 INFO  L130     BoogieDeclarations]: Found specification of procedure posix_memalign
[2021-10-21 20:03:26,601 INFO  L130     BoogieDeclarations]: Found specification of procedure atexit
[2021-10-21 20:03:26,601 INFO  L130     BoogieDeclarations]: Found specification of procedure on_exit
[2021-10-21 20:03:26,601 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2021-10-21 20:03:26,601 INFO  L130     BoogieDeclarations]: Found specification of procedure _Exit
[2021-10-21 20:03:26,601 INFO  L130     BoogieDeclarations]: Found specification of procedure getenv
[2021-10-21 20:03:26,601 INFO  L130     BoogieDeclarations]: Found specification of procedure putenv
[2021-10-21 20:03:26,602 INFO  L130     BoogieDeclarations]: Found specification of procedure setenv
[2021-10-21 20:03:26,602 INFO  L130     BoogieDeclarations]: Found specification of procedure unsetenv
[2021-10-21 20:03:26,603 INFO  L130     BoogieDeclarations]: Found specification of procedure clearenv
[2021-10-21 20:03:26,603 INFO  L130     BoogieDeclarations]: Found specification of procedure mktemp
[2021-10-21 20:03:26,603 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemp
[2021-10-21 20:03:26,603 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemps
[2021-10-21 20:03:26,603 INFO  L130     BoogieDeclarations]: Found specification of procedure mkdtemp
[2021-10-21 20:03:26,603 INFO  L130     BoogieDeclarations]: Found specification of procedure system
[2021-10-21 20:03:26,604 INFO  L130     BoogieDeclarations]: Found specification of procedure realpath
[2021-10-21 20:03:26,604 INFO  L130     BoogieDeclarations]: Found specification of procedure bsearch
[2021-10-21 20:03:26,604 INFO  L130     BoogieDeclarations]: Found specification of procedure qsort
[2021-10-21 20:03:26,604 INFO  L130     BoogieDeclarations]: Found specification of procedure abs
[2021-10-21 20:03:26,604 INFO  L130     BoogieDeclarations]: Found specification of procedure labs
[2021-10-21 20:03:26,604 INFO  L130     BoogieDeclarations]: Found specification of procedure llabs
[2021-10-21 20:03:26,604 INFO  L130     BoogieDeclarations]: Found specification of procedure div
[2021-10-21 20:03:26,605 INFO  L130     BoogieDeclarations]: Found specification of procedure ldiv
[2021-10-21 20:03:26,605 INFO  L130     BoogieDeclarations]: Found specification of procedure lldiv
[2021-10-21 20:03:26,605 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt
[2021-10-21 20:03:26,605 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt
[2021-10-21 20:03:26,605 INFO  L130     BoogieDeclarations]: Found specification of procedure gcvt
[2021-10-21 20:03:26,605 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt
[2021-10-21 20:03:26,605 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt
[2021-10-21 20:03:26,606 INFO  L130     BoogieDeclarations]: Found specification of procedure qgcvt
[2021-10-21 20:03:26,606 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt_r
[2021-10-21 20:03:26,606 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt_r
[2021-10-21 20:03:26,606 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt_r
[2021-10-21 20:03:26,607 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt_r
[2021-10-21 20:03:26,607 INFO  L130     BoogieDeclarations]: Found specification of procedure mblen
[2021-10-21 20:03:26,607 INFO  L130     BoogieDeclarations]: Found specification of procedure mbtowc
[2021-10-21 20:03:26,608 INFO  L130     BoogieDeclarations]: Found specification of procedure wctomb
[2021-10-21 20:03:26,608 INFO  L130     BoogieDeclarations]: Found specification of procedure mbstowcs
[2021-10-21 20:03:26,608 INFO  L130     BoogieDeclarations]: Found specification of procedure wcstombs
[2021-10-21 20:03:26,608 INFO  L130     BoogieDeclarations]: Found specification of procedure rpmatch
[2021-10-21 20:03:26,608 INFO  L130     BoogieDeclarations]: Found specification of procedure getsubopt
[2021-10-21 20:03:26,608 INFO  L130     BoogieDeclarations]: Found specification of procedure getloadavg
[2021-10-21 20:03:26,608 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2021-10-21 20:03:26,609 INFO  L130     BoogieDeclarations]: Found specification of procedure fail
[2021-10-21 20:03:26,609 INFO  L130     BoogieDeclarations]: Found specification of procedure inspect
[2021-10-21 20:03:26,609 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2021-10-21 20:03:26,609 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-10-21 20:03:26,609 INFO  L130     BoogieDeclarations]: Found specification of procedure create_tree
[2021-10-21 20:03:26,610 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-10-21 20:03:26,610 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2021-10-21 20:03:26,610 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-10-21 20:03:26,611 INFO  L130     BoogieDeclarations]: Found specification of procedure free_tree
[2021-10-21 20:03:26,611 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-21 20:03:26,614 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2021-10-21 20:03:26,614 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2021-10-21 20:03:26,615 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-21 20:03:26,616 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-21 20:03:27,546 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-21 20:03:27,547 INFO  L299             CfgBuilder]: Removed 11 assume(true) statements.
[2021-10-21 20:03:27,550 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:03:27 BoogieIcfgContainer
[2021-10-21 20:03:27,550 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-21 20:03:27,552 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-21 20:03:27,559 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-21 20:03:27,564 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-21 20:03:27,564 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:03:25" (1/3) ...
[2021-10-21 20:03:27,565 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25af13b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:03:27, skipping insertion in model container
[2021-10-21 20:03:27,565 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:03:26" (2/3) ...
[2021-10-21 20:03:27,566 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25af13b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:03:27, skipping insertion in model container
[2021-10-21 20:03:27,566 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:03:27" (3/3) ...
[2021-10-21 20:03:27,567 INFO  L111   eAbstractionObserver]: Analyzing ICFG tree-1.i
[2021-10-21 20:03:27,574 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-21 20:03:27,574 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 65 error locations.
[2021-10-21 20:03:27,632 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-21 20:03:27,641 INFO  L339      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-10-21 20:03:27,642 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 65 error locations.
[2021-10-21 20:03:27,666 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 164 states, 84 states have (on average 2.107142857142857) internal successors, (177), 152 states have internal predecessors, (177), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2021-10-21 20:03:27,673 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2021-10-21 20:03:27,673 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-21 20:03:27,674 INFO  L512         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-21 20:03:27,674 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting create_treeErr8REQUIRES_VIOLATION === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, create_treeErr0REQUIRES_VIOLATION, create_treeErr1REQUIRES_VIOLATION (and 61 more)] ===
[2021-10-21 20:03:27,680 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-21 20:03:27,680 INFO  L82        PathProgramCache]: Analyzing trace with hash -1241671287, now seen corresponding path program 1 times
[2021-10-21 20:03:27,690 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-21 20:03:27,690 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619958578]
[2021-10-21 20:03:27,690 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-21 20:03:27,691 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-21 20:03:27,797 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-21 20:03:27,870 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-10-21 20:03:27,875 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-21 20:03:27,889 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-21 20:03:27,889 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-21 20:03:27,890 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619958578]
[2021-10-21 20:03:27,890 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619958578] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-21 20:03:27,891 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-21 20:03:27,891 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-21 20:03:27,893 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521220476]
[2021-10-21 20:03:27,897 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-21 20:03:27,898 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-21 20:03:27,911 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-21 20:03:27,912 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-21 20:03:27,915 INFO  L87              Difference]: Start difference. First operand  has 164 states, 84 states have (on average 2.107142857142857) internal successors, (177), 152 states have internal predecessors, (177), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand  has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-10-21 20:03:28,239 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-21 20:03:28,240 INFO  L93              Difference]: Finished difference Result 215 states and 235 transitions.
[2021-10-21 20:03:28,240 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-21 20:03:28,241 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9
[2021-10-21 20:03:28,242 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-21 20:03:28,253 INFO  L225             Difference]: With dead ends: 215
[2021-10-21 20:03:28,253 INFO  L226             Difference]: Without dead ends: 210
[2021-10-21 20:03:28,255 INFO  L781         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-21 20:03:28,272 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 210 states.
[2021-10-21 20:03:28,300 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 168.
[2021-10-21 20:03:28,302 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 168 states, 90 states have (on average 1.9) internal successors, (171), 156 states have internal predecessors, (171), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5)
[2021-10-21 20:03:28,305 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 184 transitions.
[2021-10-21 20:03:28,306 INFO  L78                 Accepts]: Start accepts. Automaton has 168 states and 184 transitions. Word has length 9
[2021-10-21 20:03:28,306 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-21 20:03:28,307 INFO  L470      AbstractCegarLoop]: Abstraction has 168 states and 184 transitions.
[2021-10-21 20:03:28,307 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2021-10-21 20:03:28,307 INFO  L276                IsEmpty]: Start isEmpty. Operand 168 states and 184 transitions.
[2021-10-21 20:03:28,308 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2021-10-21 20:03:28,308 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-21 20:03:28,308 INFO  L512         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-21 20:03:28,308 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-21 20:03:28,309 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting create_treeErr8REQUIRES_VIOLATION === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, mainErr0ENSURES_VIOLATIONMEMORY_LEAK, create_treeErr0REQUIRES_VIOLATION, create_treeErr1REQUIRES_VIOLATION (and 61 more)] ===
[2021-10-21 20:03:28,309 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-21 20:03:28,310 INFO  L82        PathProgramCache]: Analyzing trace with hash 162857151, now seen corresponding path program 1 times
[2021-10-21 20:03:28,310 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-21 20:03:28,310 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183850810]
[2021-10-21 20:03:28,310 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-21 20:03:28,311 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-21 20:03:28,350 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-21 20:03:28,350 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-21 20:03:28,375 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-21 20:03:28,416 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-21 20:03:28,417 INFO  L626         BasicCegarLoop]: Counterexample is feasible
[2021-10-21 20:03:28,418 INFO  L764   garLoopResultBuilder]: Registering result UNSAFE for location create_treeErr8REQUIRES_VIOLATION
[2021-10-21 20:03:28,420 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location failErr0ASSERT_VIOLATIONMEMORY_LEAK
[2021-10-21 20:03:28,421 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK
[2021-10-21 20:03:28,422 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr0REQUIRES_VIOLATION
[2021-10-21 20:03:28,422 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr1REQUIRES_VIOLATION
[2021-10-21 20:03:28,422 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr2REQUIRES_VIOLATION
[2021-10-21 20:03:28,422 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr3REQUIRES_VIOLATION
[2021-10-21 20:03:28,422 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr4REQUIRES_VIOLATION
[2021-10-21 20:03:28,423 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr5REQUIRES_VIOLATION
[2021-10-21 20:03:28,423 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr6REQUIRES_VIOLATION
[2021-10-21 20:03:28,423 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr7REQUIRES_VIOLATION
[2021-10-21 20:03:28,423 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr9REQUIRES_VIOLATION
[2021-10-21 20:03:28,424 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr10REQUIRES_VIOLATION
[2021-10-21 20:03:28,424 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr11REQUIRES_VIOLATION
[2021-10-21 20:03:28,425 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr12REQUIRES_VIOLATION
[2021-10-21 20:03:28,425 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr13REQUIRES_VIOLATION
[2021-10-21 20:03:28,425 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr14REQUIRES_VIOLATION
[2021-10-21 20:03:28,425 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr15REQUIRES_VIOLATION
[2021-10-21 20:03:28,426 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr16REQUIRES_VIOLATION
[2021-10-21 20:03:28,426 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr17REQUIRES_VIOLATION
[2021-10-21 20:03:28,426 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr18REQUIRES_VIOLATION
[2021-10-21 20:03:28,426 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr19REQUIRES_VIOLATION
[2021-10-21 20:03:28,426 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr20REQUIRES_VIOLATION
[2021-10-21 20:03:28,427 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr21REQUIRES_VIOLATION
[2021-10-21 20:03:28,427 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr22REQUIRES_VIOLATION
[2021-10-21 20:03:28,427 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr23REQUIRES_VIOLATION
[2021-10-21 20:03:28,428 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr24REQUIRES_VIOLATION
[2021-10-21 20:03:28,428 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr25REQUIRES_VIOLATION
[2021-10-21 20:03:28,428 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr26REQUIRES_VIOLATION
[2021-10-21 20:03:28,428 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr27REQUIRES_VIOLATION
[2021-10-21 20:03:28,428 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr28REQUIRES_VIOLATION
[2021-10-21 20:03:28,429 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location create_treeErr29REQUIRES_VIOLATION
[2021-10-21 20:03:28,429 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location inspectErr0REQUIRES_VIOLATION
[2021-10-21 20:03:28,429 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location inspectErr1REQUIRES_VIOLATION
[2021-10-21 20:03:28,429 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location inspectErr2REQUIRES_VIOLATION
[2021-10-21 20:03:28,429 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location inspectErr3REQUIRES_VIOLATION
[2021-10-21 20:03:28,430 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location inspectErr4REQUIRES_VIOLATION
[2021-10-21 20:03:28,430 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location inspectErr5REQUIRES_VIOLATION
[2021-10-21 20:03:28,430 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location inspectErr6REQUIRES_VIOLATION
[2021-10-21 20:03:28,431 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location inspectErr7REQUIRES_VIOLATION
[2021-10-21 20:03:28,431 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location inspectErr8REQUIRES_VIOLATION
[2021-10-21 20:03:28,431 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location inspectErr9REQUIRES_VIOLATION
[2021-10-21 20:03:28,431 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location free_treeErr0REQUIRES_VIOLATION
[2021-10-21 20:03:28,431 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location free_treeErr1REQUIRES_VIOLATION
[2021-10-21 20:03:28,432 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location free_treeErr2REQUIRES_VIOLATION
[2021-10-21 20:03:28,433 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location free_treeErr3REQUIRES_VIOLATION
[2021-10-21 20:03:28,436 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location free_treeErr4REQUIRES_VIOLATION
[2021-10-21 20:03:28,437 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location free_treeErr5REQUIRES_VIOLATION
[2021-10-21 20:03:28,437 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location free_treeErr6REQUIRES_VIOLATION
[2021-10-21 20:03:28,437 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location free_treeErr7REQUIRES_VIOLATION
[2021-10-21 20:03:28,437 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location free_treeErr8ASSERT_VIOLATIONMEMORY_FREE
[2021-10-21 20:03:28,438 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location free_treeErr9ASSERT_VIOLATIONMEMORY_FREE
[2021-10-21 20:03:28,442 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location free_treeErr10ASSERT_VIOLATIONMEMORY_FREE
[2021-10-21 20:03:28,442 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location free_treeErr11REQUIRES_VIOLATION
[2021-10-21 20:03:28,442 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location free_treeErr12REQUIRES_VIOLATION
[2021-10-21 20:03:28,444 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location free_treeErr13REQUIRES_VIOLATION
[2021-10-21 20:03:28,444 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location free_treeErr14REQUIRES_VIOLATION
[2021-10-21 20:03:28,444 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location free_treeErr15ASSERT_VIOLATIONMEMORY_FREE
[2021-10-21 20:03:28,445 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location free_treeErr16ASSERT_VIOLATIONMEMORY_FREE
[2021-10-21 20:03:28,445 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location free_treeErr17ASSERT_VIOLATIONMEMORY_FREE
[2021-10-21 20:03:28,445 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location free_treeErr18REQUIRES_VIOLATION
[2021-10-21 20:03:28,445 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location free_treeErr19REQUIRES_VIOLATION
[2021-10-21 20:03:28,446 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location free_treeErr20ASSERT_VIOLATIONMEMORY_FREE
[2021-10-21 20:03:28,446 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location free_treeErr21ASSERT_VIOLATIONMEMORY_FREE
[2021-10-21 20:03:28,446 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location free_treeErr22ASSERT_VIOLATIONMEMORY_FREE
[2021-10-21 20:03:28,447 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-21 20:03:28,453 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-10-21 20:03:28,471 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:03:28 BoogieIcfgContainer
[2021-10-21 20:03:28,471 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-21 20:03:28,472 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-21 20:03:28,472 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-21 20:03:28,472 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-21 20:03:28,473 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:03:27" (3/4) ...
[2021-10-21 20:03:28,475 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2021-10-21 20:03:28,523 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e6f82e-24c7-4e71-a55e-b024841a11c8/bin/uautomizer-j4sWxH34Be/witness.graphml
[2021-10-21 20:03:28,523 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-21 20:03:28,525 INFO  L168              Benchmark]: Toolchain (without parser) took 2554.09 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 87.8 MB in the beginning and 106.3 MB in the end (delta: -18.5 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB.
[2021-10-21 20:03:28,525 INFO  L168              Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 119.5 MB. Free memory is still 75.1 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-21 20:03:28,527 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 455.56 ms. Allocated memory is still 119.5 MB. Free memory was 87.8 MB in the beginning and 85.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
[2021-10-21 20:03:28,528 INFO  L168              Benchmark]: Boogie Preprocessor took 85.00 ms. Allocated memory is still 119.5 MB. Free memory was 85.1 MB in the beginning and 82.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-21 20:03:28,529 INFO  L168              Benchmark]: RCFGBuilder took 1036.94 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 81.9 MB in the beginning and 113.1 MB in the end (delta: -31.2 MB). Peak memory consumption was 34.1 MB. Max. memory is 16.1 GB.
[2021-10-21 20:03:28,529 INFO  L168              Benchmark]: TraceAbstraction took 918.89 ms. Allocated memory is still 144.7 MB. Free memory was 113.1 MB in the beginning and 107.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB.
[2021-10-21 20:03:28,529 INFO  L168              Benchmark]: Witness Printer took 50.77 ms. Allocated memory is still 144.7 MB. Free memory was 107.3 MB in the beginning and 106.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-21 20:03:28,536 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.26 ms. Allocated memory is still 119.5 MB. Free memory is still 75.1 MB. There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 455.56 ms. Allocated memory is still 119.5 MB. Free memory was 87.8 MB in the beginning and 85.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 85.00 ms. Allocated memory is still 119.5 MB. Free memory was 85.1 MB in the beginning and 82.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 1036.94 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 81.9 MB in the beginning and 113.1 MB in the end (delta: -31.2 MB). Peak memory consumption was 34.1 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 918.89 ms. Allocated memory is still 144.7 MB. Free memory was 113.1 MB in the beginning and 107.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB.
 * Witness Printer took 50.77 ms. Allocated memory is still 144.7 MB. Free memory was 107.3 MB in the beginning and 106.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - CounterExampleResult [Line: 601]: pointer dereference may fail
    pointer dereference may fail
We found a FailurePath: 
[L633]  CALL        create_tree()
[L585]              struct node *nodelast = ((void *)0);
[L586]              struct node *node = ((void *)0);
        VAL         [node={0:0}, nodelast={0:0}]
[L587]  COND FALSE  !(__VERIFIER_nondet_int())
[L601]              node->parent = ((void *)0)

  - UnprovableResult [Line: 565]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: Not analyzed. 
  - UnprovableResult [Line: 631]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: Not analyzed. 
  - UnprovableResult [Line: 591]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 591]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 592]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 592]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 594]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 594]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 598]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 598]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 601]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 603]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 603]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 606]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 606]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 606]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 606]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 607]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 608]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 608]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 608]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 608]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 609]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 609]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 609]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 609]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 610]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 610]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 577]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 577]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 578]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 579]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 579]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 580]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 580]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 617]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 617]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 619]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 622]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 622]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 623]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 623]: Unable to prove that free always succeeds
    Unable to prove that free always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 623]: Unable to prove that free always succeeds
    Unable to prove that free always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 623]: Unable to prove that free always succeeds
    Unable to prove that free always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 624]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 624]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 625]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 625]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 625]: Unable to prove that free always succeeds
    Unable to prove that free always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 625]: Unable to prove that free always succeeds
    Unable to prove that free always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 625]: Unable to prove that free always succeeds
    Unable to prove that free always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 627]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 627]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 629]: Unable to prove that free always succeeds
    Unable to prove that free always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 629]: Unable to prove that free always succeeds
    Unable to prove that free always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 629]: Unable to prove that free always succeeds
    Unable to prove that free always succeeds
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 10 procedures, 173 locations, 65 error locations. Started 1 CEGAR loops. OverallTime: 820.8ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 11.7ms, AutomataDifference: 356.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 125 SDtfs, 94 SDslu, 4 SDs, 0 SdLazy, 170 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 217.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=168occurred in iteration=1, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 37.3ms AutomataMinimizationTime, 1 MinimizatonAttempts, 42 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 10.3ms SsaConstructionTime, 57.8ms SatisfiabilityAnalysisTime, 89.8ms InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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!
[2021-10-21 20:03:28,582 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e6f82e-24c7-4e71-a55e-b024841a11c8/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...