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


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


Checking for memory safety (memcleanup)
Using default analysis
Version 7b2dab56
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c64c4f8-5b45-49bc-8f71-b95888296e31/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c64c4f8-5b45-49bc-8f71-b95888296e31/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c64c4f8-5b45-49bc-8f71-b95888296e31/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c64c4f8-5b45-49bc-8f71-b95888296e31/bin/uautomizer-Z5i5R5N3CC/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/splice-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c64c4f8-5b45-49bc-8f71-b95888296e31/bin/uautomizer-Z5i5R5N3CC/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c64c4f8-5b45-49bc-8f71-b95888296e31/bin/uautomizer-Z5i5R5N3CC --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 22d654ad48908d2db90206c3276d568dc9029be1
...........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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 0.2.0-7b2dab5
[2021-10-11 00:25:08,854 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-11 00:25:08,856 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-11 00:25:08,909 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-11 00:25:08,910 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-11 00:25:08,914 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-11 00:25:08,917 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-11 00:25:08,921 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-11 00:25:08,924 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-11 00:25:08,929 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-11 00:25:08,931 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-11 00:25:08,932 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-11 00:25:08,933 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-11 00:25:08,935 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-11 00:25:08,937 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-11 00:25:08,939 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-11 00:25:08,940 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-11 00:25:08,944 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-11 00:25:08,946 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-11 00:25:08,948 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-11 00:25:08,956 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-11 00:25:08,957 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-11 00:25:08,961 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-11 00:25:08,962 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-11 00:25:08,971 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-11 00:25:08,972 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-11 00:25:08,972 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-11 00:25:08,974 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-11 00:25:08,975 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-11 00:25:08,977 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-11 00:25:08,977 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-11 00:25:08,978 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-11 00:25:08,980 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-11 00:25:08,981 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-11 00:25:08,983 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-11 00:25:08,983 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-11 00:25:08,984 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-11 00:25:08,984 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-11 00:25:08,985 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-11 00:25:08,986 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-11 00:25:08,987 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-11 00:25:08,989 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c64c4f8-5b45-49bc-8f71-b95888296e31/bin/uautomizer-Z5i5R5N3CC/config/svcomp-MemCleanup-32bit-Automizer_Default.epf
[2021-10-11 00:25:09,028 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-11 00:25:09,028 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-11 00:25:09,030 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-11 00:25:09,031 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-11 00:25:09,031 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-11 00:25:09,031 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-11 00:25:09,032 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-11 00:25:09,032 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-10-11 00:25:09,032 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-11 00:25:09,038 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-11 00:25:09,039 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-11 00:25:09,040 INFO  L138        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2021-10-11 00:25:09,040 INFO  L138        SettingsManager]:  * Bitprecise bitfields=true
[2021-10-11 00:25:09,040 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-11 00:25:09,040 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2021-10-11 00:25:09,040 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-11 00:25:09,041 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-11 00:25:09,041 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-11 00:25:09,041 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-11 00:25:09,041 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-11 00:25:09,042 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:25:09,042 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-11 00:25:09,042 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-11 00:25:09,042 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-11 00:25:09,042 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-11 00:25:09,043 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-11 00:25:09,043 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_6c64c4f8-5b45-49bc-8f71-b95888296e31/bin/uautomizer-Z5i5R5N3CC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c64c4f8-5b45-49bc-8f71-b95888296e31/bin/uautomizer-Z5i5R5N3CC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G 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 -> 22d654ad48908d2db90206c3276d568dc9029be1
[2021-10-11 00:25:09,363 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-11 00:25:09,406 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-11 00:25:09,408 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-11 00:25:09,410 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-11 00:25:09,411 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-11 00:25:09,412 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c64c4f8-5b45-49bc-8f71-b95888296e31/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/list-properties/splice-1.i
[2021-10-11 00:25:09,481 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c64c4f8-5b45-49bc-8f71-b95888296e31/bin/uautomizer-Z5i5R5N3CC/data/1170c5030/98a29243b86240ed9602d9a538c7ee8d/FLAG43d903226
[2021-10-11 00:25:10,109 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-11 00:25:10,111 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c64c4f8-5b45-49bc-8f71-b95888296e31/sv-benchmarks/c/list-properties/splice-1.i
[2021-10-11 00:25:10,131 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c64c4f8-5b45-49bc-8f71-b95888296e31/bin/uautomizer-Z5i5R5N3CC/data/1170c5030/98a29243b86240ed9602d9a538c7ee8d/FLAG43d903226
[2021-10-11 00:25:10,381 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c64c4f8-5b45-49bc-8f71-b95888296e31/bin/uautomizer-Z5i5R5N3CC/data/1170c5030/98a29243b86240ed9602d9a538c7ee8d
[2021-10-11 00:25:10,383 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-11 00:25:10,385 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2021-10-11 00:25:10,387 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-11 00:25:10,387 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-11 00:25:10,390 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-11 00:25:10,391 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:25:10" (1/1) ...
[2021-10-11 00:25:10,394 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38aa178c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:10, skipping insertion in model container
[2021-10-11 00:25:10,394 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:25:10" (1/1) ...
[2021-10-11 00:25:10,402 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-11 00:25:10,440 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-11 00:25:10,806 WARN  L226   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c64c4f8-5b45-49bc-8f71-b95888296e31/sv-benchmarks/c/list-properties/splice-1.i[23721,23734]
[2021-10-11 00:25:10,810 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:25:10,819 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-11 00:25:10,856 WARN  L226   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c64c4f8-5b45-49bc-8f71-b95888296e31/sv-benchmarks/c/list-properties/splice-1.i[23721,23734]
[2021-10-11 00:25:10,858 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:25:10,921 INFO  L208         MainTranslator]: Completed translation
[2021-10-11 00:25:10,921 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:10 WrapperNode
[2021-10-11 00:25:10,922 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-11 00:25:10,923 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-11 00:25:10,923 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-11 00:25:10,923 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-11 00:25:10,934 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:10" (1/1) ...
[2021-10-11 00:25:10,935 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:10" (1/1) ...
[2021-10-11 00:25:10,963 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:10" (1/1) ...
[2021-10-11 00:25:10,974 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:10" (1/1) ...
[2021-10-11 00:25:11,009 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:10" (1/1) ...
[2021-10-11 00:25:11,027 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:10" (1/1) ...
[2021-10-11 00:25:11,034 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:10" (1/1) ...
[2021-10-11 00:25:11,053 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-11 00:25:11,054 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-11 00:25:11,054 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-11 00:25:11,055 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-11 00:25:11,057 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:10" (1/1) ...
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c64c4f8-5b45-49bc-8f71-b95888296e31/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:25:11,160 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2021-10-11 00:25:11,160 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-11 00:25:11,160 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2021-10-11 00:25:11,161 INFO  L138     BoogieDeclarations]: Found implementation of procedure __bswap_32
[2021-10-11 00:25:11,161 INFO  L138     BoogieDeclarations]: Found implementation of procedure __bswap_64
[2021-10-11 00:25:11,161 INFO  L138     BoogieDeclarations]: Found implementation of procedure __uint16_identity
[2021-10-11 00:25:11,161 INFO  L138     BoogieDeclarations]: Found implementation of procedure __uint32_identity
[2021-10-11 00:25:11,161 INFO  L138     BoogieDeclarations]: Found implementation of procedure __uint64_identity
[2021-10-11 00:25:11,162 INFO  L138     BoogieDeclarations]: Found implementation of procedure myexit
[2021-10-11 00:25:11,162 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2021-10-11 00:25:11,163 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2021-10-11 00:25:11,163 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2021-10-11 00:25:11,163 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_perror_fail
[2021-10-11 00:25:11,163 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert
[2021-10-11 00:25:11,163 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2021-10-11 00:25:11,164 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-11 00:25:11,164 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2021-10-11 00:25:11,165 INFO  L130     BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2021-10-11 00:25:11,165 INFO  L130     BoogieDeclarations]: Found specification of procedure atof
[2021-10-11 00:25:11,165 INFO  L130     BoogieDeclarations]: Found specification of procedure atoi
[2021-10-11 00:25:11,165 INFO  L130     BoogieDeclarations]: Found specification of procedure atol
[2021-10-11 00:25:11,165 INFO  L130     BoogieDeclarations]: Found specification of procedure atoll
[2021-10-11 00:25:11,165 INFO  L130     BoogieDeclarations]: Found specification of procedure strtod
[2021-10-11 00:25:11,166 INFO  L130     BoogieDeclarations]: Found specification of procedure strtof
[2021-10-11 00:25:11,166 INFO  L130     BoogieDeclarations]: Found specification of procedure strtold
[2021-10-11 00:25:11,166 INFO  L130     BoogieDeclarations]: Found specification of procedure strtol
[2021-10-11 00:25:11,166 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoul
[2021-10-11 00:25:11,166 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoq
[2021-10-11 00:25:11,166 INFO  L130     BoogieDeclarations]: Found specification of procedure strtouq
[2021-10-11 00:25:11,166 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoll
[2021-10-11 00:25:11,167 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoull
[2021-10-11 00:25:11,167 INFO  L130     BoogieDeclarations]: Found specification of procedure l64a
[2021-10-11 00:25:11,167 INFO  L130     BoogieDeclarations]: Found specification of procedure a64l
[2021-10-11 00:25:11,167 INFO  L130     BoogieDeclarations]: Found specification of procedure __bswap_32
[2021-10-11 00:25:11,167 INFO  L130     BoogieDeclarations]: Found specification of procedure __bswap_64
[2021-10-11 00:25:11,167 INFO  L130     BoogieDeclarations]: Found specification of procedure __uint16_identity
[2021-10-11 00:25:11,168 INFO  L130     BoogieDeclarations]: Found specification of procedure __uint32_identity
[2021-10-11 00:25:11,168 INFO  L130     BoogieDeclarations]: Found specification of procedure __uint64_identity
[2021-10-11 00:25:11,168 INFO  L130     BoogieDeclarations]: Found specification of procedure select
[2021-10-11 00:25:11,168 INFO  L130     BoogieDeclarations]: Found specification of procedure pselect
[2021-10-11 00:25:11,168 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2021-10-11 00:25:11,168 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2021-10-11 00:25:11,169 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2021-10-11 00:25:11,169 INFO  L130     BoogieDeclarations]: Found specification of procedure random
[2021-10-11 00:25:11,169 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom
[2021-10-11 00:25:11,169 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate
[2021-10-11 00:25:11,169 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate
[2021-10-11 00:25:11,169 INFO  L130     BoogieDeclarations]: Found specification of procedure random_r
[2021-10-11 00:25:11,170 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom_r
[2021-10-11 00:25:11,170 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate_r
[2021-10-11 00:25:11,170 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate_r
[2021-10-11 00:25:11,170 INFO  L130     BoogieDeclarations]: Found specification of procedure rand
[2021-10-11 00:25:11,170 INFO  L130     BoogieDeclarations]: Found specification of procedure srand
[2021-10-11 00:25:11,171 INFO  L130     BoogieDeclarations]: Found specification of procedure rand_r
[2021-10-11 00:25:11,171 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48
[2021-10-11 00:25:11,171 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48
[2021-10-11 00:25:11,172 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48
[2021-10-11 00:25:11,172 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48
[2021-10-11 00:25:11,172 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48
[2021-10-11 00:25:11,173 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48
[2021-10-11 00:25:11,173 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48
[2021-10-11 00:25:11,173 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48
[2021-10-11 00:25:11,173 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48
[2021-10-11 00:25:11,173 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48_r
[2021-10-11 00:25:11,173 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48_r
[2021-10-11 00:25:11,174 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48_r
[2021-10-11 00:25:11,174 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48_r
[2021-10-11 00:25:11,174 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48_r
[2021-10-11 00:25:11,174 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48_r
[2021-10-11 00:25:11,174 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48_r
[2021-10-11 00:25:11,175 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48_r
[2021-10-11 00:25:11,175 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48_r
[2021-10-11 00:25:11,176 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2021-10-11 00:25:11,177 INFO  L130     BoogieDeclarations]: Found specification of procedure calloc
[2021-10-11 00:25:11,177 INFO  L130     BoogieDeclarations]: Found specification of procedure realloc
[2021-10-11 00:25:11,177 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2021-10-11 00:25:11,177 INFO  L130     BoogieDeclarations]: Found specification of procedure alloca
[2021-10-11 00:25:11,177 INFO  L130     BoogieDeclarations]: Found specification of procedure valloc
[2021-10-11 00:25:11,178 INFO  L130     BoogieDeclarations]: Found specification of procedure posix_memalign
[2021-10-11 00:25:11,178 INFO  L130     BoogieDeclarations]: Found specification of procedure aligned_alloc
[2021-10-11 00:25:11,178 INFO  L130     BoogieDeclarations]: Found specification of procedure atexit
[2021-10-11 00:25:11,179 INFO  L130     BoogieDeclarations]: Found specification of procedure at_quick_exit
[2021-10-11 00:25:11,179 INFO  L130     BoogieDeclarations]: Found specification of procedure on_exit
[2021-10-11 00:25:11,179 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2021-10-11 00:25:11,179 INFO  L130     BoogieDeclarations]: Found specification of procedure quick_exit
[2021-10-11 00:25:11,179 INFO  L130     BoogieDeclarations]: Found specification of procedure _Exit
[2021-10-11 00:25:11,179 INFO  L130     BoogieDeclarations]: Found specification of procedure getenv
[2021-10-11 00:25:11,180 INFO  L130     BoogieDeclarations]: Found specification of procedure putenv
[2021-10-11 00:25:11,180 INFO  L130     BoogieDeclarations]: Found specification of procedure setenv
[2021-10-11 00:25:11,180 INFO  L130     BoogieDeclarations]: Found specification of procedure unsetenv
[2021-10-11 00:25:11,180 INFO  L130     BoogieDeclarations]: Found specification of procedure clearenv
[2021-10-11 00:25:11,180 INFO  L130     BoogieDeclarations]: Found specification of procedure mktemp
[2021-10-11 00:25:11,180 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemp
[2021-10-11 00:25:11,180 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemps
[2021-10-11 00:25:11,181 INFO  L130     BoogieDeclarations]: Found specification of procedure mkdtemp
[2021-10-11 00:25:11,181 INFO  L130     BoogieDeclarations]: Found specification of procedure system
[2021-10-11 00:25:11,181 INFO  L130     BoogieDeclarations]: Found specification of procedure realpath
[2021-10-11 00:25:11,181 INFO  L130     BoogieDeclarations]: Found specification of procedure bsearch
[2021-10-11 00:25:11,181 INFO  L130     BoogieDeclarations]: Found specification of procedure qsort
[2021-10-11 00:25:11,181 INFO  L130     BoogieDeclarations]: Found specification of procedure abs
[2021-10-11 00:25:11,182 INFO  L130     BoogieDeclarations]: Found specification of procedure labs
[2021-10-11 00:25:11,182 INFO  L130     BoogieDeclarations]: Found specification of procedure llabs
[2021-10-11 00:25:11,182 INFO  L130     BoogieDeclarations]: Found specification of procedure div
[2021-10-11 00:25:11,182 INFO  L130     BoogieDeclarations]: Found specification of procedure ldiv
[2021-10-11 00:25:11,182 INFO  L130     BoogieDeclarations]: Found specification of procedure lldiv
[2021-10-11 00:25:11,182 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt
[2021-10-11 00:25:11,183 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt
[2021-10-11 00:25:11,183 INFO  L130     BoogieDeclarations]: Found specification of procedure gcvt
[2021-10-11 00:25:11,183 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt
[2021-10-11 00:25:11,183 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt
[2021-10-11 00:25:11,183 INFO  L130     BoogieDeclarations]: Found specification of procedure qgcvt
[2021-10-11 00:25:11,184 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt_r
[2021-10-11 00:25:11,184 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt_r
[2021-10-11 00:25:11,184 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt_r
[2021-10-11 00:25:11,184 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt_r
[2021-10-11 00:25:11,184 INFO  L130     BoogieDeclarations]: Found specification of procedure mblen
[2021-10-11 00:25:11,184 INFO  L130     BoogieDeclarations]: Found specification of procedure mbtowc
[2021-10-11 00:25:11,185 INFO  L130     BoogieDeclarations]: Found specification of procedure wctomb
[2021-10-11 00:25:11,186 INFO  L130     BoogieDeclarations]: Found specification of procedure mbstowcs
[2021-10-11 00:25:11,186 INFO  L130     BoogieDeclarations]: Found specification of procedure wcstombs
[2021-10-11 00:25:11,186 INFO  L130     BoogieDeclarations]: Found specification of procedure rpmatch
[2021-10-11 00:25:11,186 INFO  L130     BoogieDeclarations]: Found specification of procedure getsubopt
[2021-10-11 00:25:11,186 INFO  L130     BoogieDeclarations]: Found specification of procedure getloadavg
[2021-10-11 00:25:11,186 INFO  L130     BoogieDeclarations]: Found specification of procedure myexit
[2021-10-11 00:25:11,187 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2021-10-11 00:25:11,187 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-10-11 00:25:11,187 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-10-11 00:25:11,187 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2021-10-11 00:25:11,187 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2021-10-11 00:25:11,187 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-10-11 00:25:11,188 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2021-10-11 00:25:11,189 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-11 00:25:11,192 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-11 00:25:11,192 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-11 00:25:11,890 INFO  L752   $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true;
[2021-10-11 00:25:12,140 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-11 00:25:12,141 INFO  L299             CfgBuilder]: Removed 4 assume(true) statements.
[2021-10-11 00:25:12,142 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:25:12 BoogieIcfgContainer
[2021-10-11 00:25:12,143 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-11 00:25:12,144 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-11 00:25:12,144 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-11 00:25:12,148 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-11 00:25:12,148 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:25:10" (1/3) ...
[2021-10-11 00:25:12,149 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d65cb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:25:12, skipping insertion in model container
[2021-10-11 00:25:12,149 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:10" (2/3) ...
[2021-10-11 00:25:12,149 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d65cb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:25:12, skipping insertion in model container
[2021-10-11 00:25:12,149 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:25:12" (3/3) ...
[2021-10-11 00:25:12,151 INFO  L111   eAbstractionObserver]: Analyzing ICFG splice-1.i
[2021-10-11 00:25:12,165 INFO  L180   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-11 00:25:12,168 INFO  L192   ceAbstractionStarter]: Appying trace abstraction to program that has 30 error locations.
[2021-10-11 00:25:12,179 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 30 error locations.
[2021-10-11 00:25:12,200 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2021-10-11 00:25:12,200 INFO  L378      AbstractCegarLoop]: Hoare is false
[2021-10-11 00:25:12,200 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-10-11 00:25:12,200 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-11 00:25:12,200 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-11 00:25:12,200 INFO  L382      AbstractCegarLoop]: Difference is false
[2021-10-11 00:25:12,200 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-11 00:25:12,201 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-10-11 00:25:12,216 INFO  L276                IsEmpty]: Start isEmpty. Operand 84 states.
[2021-10-11 00:25:12,223 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2021-10-11 00:25:12,223 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:25:12,224 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:25:12,224 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [mainErr29ENSURES_VIOLATIONMEMORY_LEAK, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION]===
[2021-10-11 00:25:12,230 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:25:12,230 INFO  L82        PathProgramCache]: Analyzing trace with hash 428760740, now seen corresponding path program 1 times
[2021-10-11 00:25:12,239 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:25:12,239 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007224689]
[2021-10-11 00:25:12,239 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:25:12,336 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:25:12,406 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-10-11 00:25:12,411 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:25:12,424 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:25:12,424 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007224689]
[2021-10-11 00:25:12,425 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:25:12,425 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:25:12,426 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673814867]
[2021-10-11 00:25:12,430 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:25:12,430 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:25:12,443 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:25:12,444 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:25:12,446 INFO  L87              Difference]: Start difference. First operand 84 states. Second operand 3 states.
[2021-10-11 00:25:12,652 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:25:12,652 INFO  L93              Difference]: Finished difference Result 84 states and 93 transitions.
[2021-10-11 00:25:12,653 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-11 00:25:12,654 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 10
[2021-10-11 00:25:12,655 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:25:12,662 INFO  L225             Difference]: With dead ends: 84
[2021-10-11 00:25:12,662 INFO  L226             Difference]: Without dead ends: 77
[2021-10-11 00:25:12,664 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
[2021-10-11 00:25:12,681 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 77 states.
[2021-10-11 00:25:12,698 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77.
[2021-10-11 00:25:12,699 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 77 states.
[2021-10-11 00:25:12,702 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 84 transitions.
[2021-10-11 00:25:12,703 INFO  L78                 Accepts]: Start accepts. Automaton has 77 states and 84 transitions. Word has length 10
[2021-10-11 00:25:12,703 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:25:12,703 INFO  L481      AbstractCegarLoop]: Abstraction has 77 states and 84 transitions.
[2021-10-11 00:25:12,704 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:25:12,704 INFO  L276                IsEmpty]: Start isEmpty. Operand 77 states and 84 transitions.
[2021-10-11 00:25:12,704 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-10-11 00:25:12,705 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:25:12,705 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:25:12,705 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-11 00:25:12,705 INFO  L429      AbstractCegarLoop]: === Iteration 2 === [mainErr29ENSURES_VIOLATIONMEMORY_LEAK, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION]===
[2021-10-11 00:25:12,706 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:25:12,707 INFO  L82        PathProgramCache]: Analyzing trace with hash 406645412, now seen corresponding path program 1 times
[2021-10-11 00:25:12,707 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:25:12,707 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091881352]
[2021-10-11 00:25:12,707 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:25:12,733 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:25:12,794 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-10-11 00:25:12,798 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:25:12,809 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:25:12,810 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091881352]
[2021-10-11 00:25:12,810 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:25:12,810 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-11 00:25:12,811 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928106905]
[2021-10-11 00:25:12,812 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-10-11 00:25:12,812 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:25:12,813 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-11 00:25:12,813 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:25:12,814 INFO  L87              Difference]: Start difference. First operand 77 states and 84 transitions. Second operand 5 states.
[2021-10-11 00:25:13,083 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:25:13,083 INFO  L93              Difference]: Finished difference Result 84 states and 92 transitions.
[2021-10-11 00:25:13,084 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-11 00:25:13,084 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 11
[2021-10-11 00:25:13,084 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:25:13,089 INFO  L225             Difference]: With dead ends: 84
[2021-10-11 00:25:13,089 INFO  L226             Difference]: Without dead ends: 84
[2021-10-11 00:25:13,091 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
[2021-10-11 00:25:13,092 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 84 states.
[2021-10-11 00:25:13,100 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 78.
[2021-10-11 00:25:13,100 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 78 states.
[2021-10-11 00:25:13,102 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 91 transitions.
[2021-10-11 00:25:13,102 INFO  L78                 Accepts]: Start accepts. Automaton has 78 states and 91 transitions. Word has length 11
[2021-10-11 00:25:13,103 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:25:13,103 INFO  L481      AbstractCegarLoop]: Abstraction has 78 states and 91 transitions.
[2021-10-11 00:25:13,103 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2021-10-11 00:25:13,103 INFO  L276                IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions.
[2021-10-11 00:25:13,104 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-10-11 00:25:13,104 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:25:13,104 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:25:13,104 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-11 00:25:13,105 INFO  L429      AbstractCegarLoop]: === Iteration 3 === [mainErr29ENSURES_VIOLATIONMEMORY_LEAK, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION]===
[2021-10-11 00:25:13,105 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:25:13,105 INFO  L82        PathProgramCache]: Analyzing trace with hash 406645413, now seen corresponding path program 1 times
[2021-10-11 00:25:13,106 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:25:13,106 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727282693]
[2021-10-11 00:25:13,106 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:25:13,131 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:25:13,195 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-10-11 00:25:13,197 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:25:13,215 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:25:13,216 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727282693]
[2021-10-11 00:25:13,216 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:25:13,216 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-11 00:25:13,216 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815141712]
[2021-10-11 00:25:13,217 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 5 states
[2021-10-11 00:25:13,218 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:25:13,220 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-11 00:25:13,220 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-10-11 00:25:13,221 INFO  L87              Difference]: Start difference. First operand 78 states and 91 transitions. Second operand 5 states.
[2021-10-11 00:25:13,473 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:25:13,474 INFO  L93              Difference]: Finished difference Result 92 states and 102 transitions.
[2021-10-11 00:25:13,474 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-11 00:25:13,475 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 11
[2021-10-11 00:25:13,475 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:25:13,480 INFO  L225             Difference]: With dead ends: 92
[2021-10-11 00:25:13,480 INFO  L226             Difference]: Without dead ends: 92
[2021-10-11 00:25:13,481 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
[2021-10-11 00:25:13,481 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 92 states.
[2021-10-11 00:25:13,495 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 85.
[2021-10-11 00:25:13,501 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 85 states.
[2021-10-11 00:25:13,502 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 95 transitions.
[2021-10-11 00:25:13,504 INFO  L78                 Accepts]: Start accepts. Automaton has 85 states and 95 transitions. Word has length 11
[2021-10-11 00:25:13,505 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:25:13,505 INFO  L481      AbstractCegarLoop]: Abstraction has 85 states and 95 transitions.
[2021-10-11 00:25:13,505 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2021-10-11 00:25:13,506 INFO  L276                IsEmpty]: Start isEmpty. Operand 85 states and 95 transitions.
[2021-10-11 00:25:13,506 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2021-10-11 00:25:13,506 INFO  L414         BasicCegarLoop]: Found error trace
[2021-10-11 00:25:13,507 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-11 00:25:13,507 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-11 00:25:13,507 INFO  L429      AbstractCegarLoop]: === Iteration 4 === [mainErr29ENSURES_VIOLATIONMEMORY_LEAK, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_LEAK, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION]===
[2021-10-11 00:25:13,508 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:25:13,508 INFO  L82        PathProgramCache]: Analyzing trace with hash -1729229184, now seen corresponding path program 1 times
[2021-10-11 00:25:13,508 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:25:13,509 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881291099]
[2021-10-11 00:25:13,509 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:25:13,552 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-11 00:25:13,562 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-11 00:25:13,587 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-11 00:25:13,590 INFO  L221             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-11 00:25:13,629 INFO  L173   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-11 00:25:13,630 INFO  L523         BasicCegarLoop]: Counterexample might be feasible
[2021-10-11 00:25:13,631 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-10-11 00:25:13,647 WARN  L417   cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true)
[2021-10-11 00:25:13,666 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:25:13 BoogieIcfgContainer
[2021-10-11 00:25:13,666 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-11 00:25:13,667 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-11 00:25:13,667 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-11 00:25:13,667 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-11 00:25:13,668 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:25:12" (3/4) ...
[2021-10-11 00:25:13,670 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2021-10-11 00:25:13,682 WARN  L417   cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true)
[2021-10-11 00:25:13,731 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c64c4f8-5b45-49bc-8f71-b95888296e31/bin/uautomizer-Z5i5R5N3CC/witness.graphml
[2021-10-11 00:25:13,732 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-11 00:25:13,735 INFO  L168              Benchmark]: Toolchain (without parser) took 3347.32 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 70.9 MB in the beginning and 59.2 MB in the end (delta: 11.7 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:25:13,735 INFO  L168              Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 109.1 MB. Free memory was 88.6 MB in the beginning and 88.5 MB in the end (delta: 78.6 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:25:13,738 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 535.23 ms. Allocated memory is still 109.1 MB. Free memory was 70.6 MB in the beginning and 72.2 MB in the end (delta: -1.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-11 00:25:13,739 INFO  L168              Benchmark]: Boogie Preprocessor took 130.77 ms. Allocated memory is still 109.1 MB. Free memory was 72.2 MB in the beginning and 69.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:25:13,740 INFO  L168              Benchmark]: RCFGBuilder took 1088.52 ms. Allocated memory is still 109.1 MB. Free memory was 69.5 MB in the beginning and 59.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 32.2 MB. Max. memory is 16.1 GB.
[2021-10-11 00:25:13,741 INFO  L168              Benchmark]: TraceAbstraction took 1522.35 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 59.0 MB in the beginning and 61.3 MB in the end (delta: -2.3 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:25:13,742 INFO  L168              Benchmark]: Witness Printer took 64.89 ms. Allocated memory is still 136.3 MB. Free memory was 61.3 MB in the beginning and 59.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:25:13,747 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 109.1 MB. Free memory was 88.6 MB in the beginning and 88.5 MB in the end (delta: 78.6 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 535.23 ms. Allocated memory is still 109.1 MB. Free memory was 70.6 MB in the beginning and 72.2 MB in the end (delta: -1.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 130.77 ms. Allocated memory is still 109.1 MB. Free memory was 72.2 MB in the beginning and 69.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 1088.52 ms. Allocated memory is still 109.1 MB. Free memory was 69.5 MB in the beginning and 59.0 MB in the end (delta: 10.4 MB). Peak memory consumption was 32.2 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 1522.35 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 59.0 MB in the beginning and 61.3 MB in the end (delta: -2.3 MB). Peak memory consumption was 25.1 MB. Max. memory is 16.1 GB.
 * Witness Printer took 64.89 ms. Allocated memory is still 136.3 MB. Free memory was 61.3 MB in the beginning and 59.2 MB in the end (delta: 2.1 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 = 1;
[L533]              List a = (List) malloc(sizeof(struct node));
        VAL         [a={-1:0}, flag=1, malloc(sizeof(struct node))={-1:0}]
[L534]  COND FALSE  !(a == 0)
        VAL         [a={-1:0}, flag=1, malloc(sizeof(struct node))={-1:0}]
[L535]              List t;
[L536]              List l1;
[L537]              List l2;
[L538]              List b;
[L539]              List u;
[L540]              List p = a;
        VAL         [a={-1:0}, flag=1, malloc(sizeof(struct node))={-1:0}, p={-1:0}]
[L541]  COND FALSE  !(__VERIFIER_nondet_int())
[L554]              p->h = 3
        VAL         [a={-1:0}, flag=1, malloc(sizeof(struct node))={-1:0}, p={-1:0}]
[L555]  EXPR        a->h
        VAL         [a={-1:0}, a->h=3, flag=1, malloc(sizeof(struct node))={-1:0}, p={-1:0}]
[L555]  COND TRUE   a->h == 3
[L555]              return 0;
        VAL         [\result=0, a={-1:0}, flag=1, malloc(sizeof(struct node))={-1:0}, p={-1:0}]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 10 procedures, 103 locations, 30 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 172 SDtfs, 230 SDslu, 59 SDs, 0 SdLazy, 386 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s 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=85occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 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...