./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i --full-output --architecture 32bit


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


Checking for memory safety (deref-memtrack)
Using default analysis
Version b2eff8ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD --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 14e73bee1ff131a549474bab511d8101c0585ce83d137ab03c9c7f9d80a198cf
...................................................................................................................................
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD --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 14e73bee1ff131a549474bab511d8101c0585ce83d137ab03c9c7f9d80a198cf
......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
UNKNOWN
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-b2eff8b
[2021-10-28 23:39:56,006 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-28 23:39:56,009 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 23:39:56,067 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 23:39:56,068 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 23:39:56,074 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 23:39:56,077 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 23:39:56,081 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 23:39:56,085 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 23:39:56,092 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 23:39:56,093 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 23:39:56,095 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 23:39:56,096 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 23:39:56,099 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 23:39:56,102 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 23:39:56,107 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 23:39:56,109 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 23:39:56,111 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 23:39:56,114 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 23:39:56,123 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 23:39:56,125 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 23:39:56,127 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 23:39:56,131 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 23:39:56,132 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 23:39:56,143 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 23:39:56,144 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 23:39:56,144 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 23:39:56,147 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 23:39:56,148 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 23:39:56,149 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 23:39:56,150 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 23:39:56,152 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 23:39:56,154 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 23:39:56,155 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 23:39:56,157 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 23:39:56,157 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 23:39:56,158 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 23:39:56,159 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 23:39:56,159 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 23:39:56,160 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 23:39:56,161 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 23:39:56,162 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2021-10-28 23:39:56,216 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-28 23:39:56,216 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 23:39:56,217 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 23:39:56,217 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 23:39:56,227 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 23:39:56,227 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-28 23:39:56,227 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-28 23:39:56,228 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 23:39:56,228 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-28 23:39:56,228 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-10-28 23:39:56,229 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-28 23:39:56,230 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-28 23:39:56,230 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-28 23:39:56,230 INFO  L138        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2021-10-28 23:39:56,230 INFO  L138        SettingsManager]:  * Bitprecise bitfields=true
[2021-10-28 23:39:56,231 INFO  L138        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2021-10-28 23:39:56,231 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-28 23:39:56,231 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2021-10-28 23:39:56,231 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-28 23:39:56,232 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-28 23:39:56,232 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 23:39:56,232 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-28 23:39:56,232 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-28 23:39:56,233 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 23:39:56,233 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 23:39:56,233 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-28 23:39:56,233 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-28 23:39:56,234 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-28 23:39:56,234 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-28 23:39:56,236 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_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/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_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD
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 -> 14e73bee1ff131a549474bab511d8101c0585ce83d137ab03c9c7f9d80a198cf
[2021-10-28 23:39:56,529 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 23:39:56,554 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 23:39:56,558 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 23:39:56,559 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-28 23:39:56,560 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-28 23:39:56,561 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i
[2021-10-28 23:39:56,638 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/data/83113c64a/2ca001375f6a489d9c1bfc0cc2d1b8be/FLAG52a74c37a
[2021-10-28 23:39:57,195 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-28 23:39:57,196 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/sv-benchmarks/c/ldv-memsafety/memleaks_test8.i
[2021-10-28 23:39:57,216 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/data/83113c64a/2ca001375f6a489d9c1bfc0cc2d1b8be/FLAG52a74c37a
[2021-10-28 23:39:57,643 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/data/83113c64a/2ca001375f6a489d9c1bfc0cc2d1b8be
[2021-10-28 23:39:57,647 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 23:39:57,648 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2021-10-28 23:39:57,653 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 23:39:57,667 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 23:39:57,672 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 23:39:57,673 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:39:57" (1/1) ...
[2021-10-28 23:39:57,673 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@360f06f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:57, skipping insertion in model container
[2021-10-28 23:39:57,674 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:39:57" (1/1) ...
[2021-10-28 23:39:57,682 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-28 23:39:57,755 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-28 23:39:58,312 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:39:58,341 ERROR L326         MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation)
[2021-10-28 23:39:58,342 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@10118355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:39:58, skipping insertion in model container
[2021-10-28 23:39:58,342 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 23:39:58,344 INFO  L184        ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor
[2021-10-28 23:39:58,348 INFO  L168              Benchmark]: Toolchain (without parser) took 696.52 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 75.7 MB in the beginning and 106.2 MB in the end (delta: -30.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
[2021-10-28 23:39:58,350 INFO  L168              Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 109.1 MB. Free memory is still 62.9 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:39:58,352 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 691.01 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 75.3 MB in the beginning and 106.2 MB in the end (delta: -30.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
[2021-10-28 23:39:58,354 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.21 ms. Allocated memory is still 109.1 MB. Free memory is still 62.9 MB. There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 691.01 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 75.3 MB in the beginning and 106.2 MB in the end (delta: -30.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - UnsupportedSyntaxResult [Line: 576]: Unsupported Syntax
    Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...

### Bit-precise run ###
This is Ultimate 0.2.1-dev-b2eff8b
[2021-10-28 23:40:00,817 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-28 23:40:00,820 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 23:40:00,905 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 23:40:00,906 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 23:40:00,912 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 23:40:00,914 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 23:40:00,921 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 23:40:00,925 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 23:40:00,932 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 23:40:00,935 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 23:40:00,937 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 23:40:00,937 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 23:40:00,940 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 23:40:00,943 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 23:40:00,949 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 23:40:00,950 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 23:40:00,951 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 23:40:00,953 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 23:40:00,960 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 23:40:00,962 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 23:40:00,964 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 23:40:00,967 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 23:40:00,969 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 23:40:00,976 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 23:40:00,976 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 23:40:00,977 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 23:40:00,979 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 23:40:00,980 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 23:40:00,981 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 23:40:00,981 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 23:40:00,982 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 23:40:00,984 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 23:40:00,985 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 23:40:00,987 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 23:40:00,987 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 23:40:00,988 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 23:40:00,989 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 23:40:00,989 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 23:40:00,991 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 23:40:00,992 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 23:40:00,993 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf
[2021-10-28 23:40:01,042 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-28 23:40:01,042 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 23:40:01,043 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 23:40:01,043 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 23:40:01,045 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 23:40:01,045 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-28 23:40:01,046 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-28 23:40:01,046 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 23:40:01,046 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-28 23:40:01,046 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-10-28 23:40:01,048 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-28 23:40:01,048 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-28 23:40:01,048 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-28 23:40:01,048 INFO  L138        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2021-10-28 23:40:01,048 INFO  L138        SettingsManager]:  * Bitprecise bitfields=true
[2021-10-28 23:40:01,049 INFO  L138        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2021-10-28 23:40:01,049 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-28 23:40:01,049 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2021-10-28 23:40:01,049 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2021-10-28 23:40:01,049 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2021-10-28 23:40:01,050 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-28 23:40:01,050 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-28 23:40:01,050 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 23:40:01,050 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-28 23:40:01,050 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-28 23:40:01,051 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 23:40:01,051 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 23:40:01,051 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-28 23:40:01,051 INFO  L138        SettingsManager]:  * Trace refinement strategy=WOLF
[2021-10-28 23:40:01,052 INFO  L138        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2021-10-28 23:40:01,052 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-28 23:40:01,052 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2021-10-28 23:40:01,052 INFO  L138        SettingsManager]:  * Logic for external solver=AUFBV
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_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/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_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD
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 -> 14e73bee1ff131a549474bab511d8101c0585ce83d137ab03c9c7f9d80a198cf
[2021-10-28 23:40:01,464 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 23:40:01,497 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 23:40:01,500 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 23:40:01,503 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-28 23:40:01,503 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-28 23:40:01,507 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i
[2021-10-28 23:40:01,583 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/data/50a6f6c74/f209959406a741d383cfd62a10e65b4e/FLAG2745cabba
[2021-10-28 23:40:02,366 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-28 23:40:02,367 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/sv-benchmarks/c/ldv-memsafety/memleaks_test8.i
[2021-10-28 23:40:02,384 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/data/50a6f6c74/f209959406a741d383cfd62a10e65b4e/FLAG2745cabba
[2021-10-28 23:40:02,576 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/data/50a6f6c74/f209959406a741d383cfd62a10e65b4e
[2021-10-28 23:40:02,579 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 23:40:02,581 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2021-10-28 23:40:02,584 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 23:40:02,584 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 23:40:02,589 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 23:40:02,590 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:40:02" (1/1) ...
[2021-10-28 23:40:02,593 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50271ab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:40:02, skipping insertion in model container
[2021-10-28 23:40:02,593 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:40:02" (1/1) ...
[2021-10-28 23:40:02,602 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-28 23:40:02,682 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-28 23:40:03,104 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:40:03,122 INFO  L200         MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2021-10-28 23:40:03,130 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-28 23:40:03,176 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:40:03,184 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-28 23:40:03,236 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-28 23:40:03,293 INFO  L208         MainTranslator]: Completed translation
[2021-10-28 23:40:03,294 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:40:03 WrapperNode
[2021-10-28 23:40:03,294 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 23:40:03,295 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 23:40:03,295 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 23:40:03,295 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 23:40:03,307 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:40:03" (1/1) ...
[2021-10-28 23:40:03,307 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:40:03" (1/1) ...
[2021-10-28 23:40:03,330 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:40:03" (1/1) ...
[2021-10-28 23:40:03,330 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:40:03" (1/1) ...
[2021-10-28 23:40:03,364 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:40:03" (1/1) ...
[2021-10-28 23:40:03,370 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:40:03" (1/1) ...
[2021-10-28 23:40:03,377 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:40:03" (1/1) ...
[2021-10-28 23:40:03,397 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 23:40:03,398 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 23:40:03,398 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 23:40:03,398 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-28 23:40:03,399 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:40:03" (1/1) ...
[2021-10-28 23:40:03,408 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 23:40:03,419 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:40:03,437 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-28 23:40:03,450 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-28 23:40:03,489 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2021-10-28 23:40:03,490 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 23:40:03,490 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID
[2021-10-28 23:40:03,491 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode
[2021-10-28 23:40:03,491 INFO  L138     BoogieDeclarations]: Found implementation of procedure __bswap_32
[2021-10-28 23:40:03,496 INFO  L138     BoogieDeclarations]: Found implementation of procedure __bswap_64
[2021-10-28 23:40:03,497 INFO  L138     BoogieDeclarations]: Found implementation of procedure __uint16_identity
[2021-10-28 23:40:03,497 INFO  L138     BoogieDeclarations]: Found implementation of procedure __uint32_identity
[2021-10-28 23:40:03,497 INFO  L138     BoogieDeclarations]: Found implementation of procedure __uint64_identity
[2021-10-28 23:40:03,497 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_nonpositive
[2021-10-28 23:40:03,498 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_positive
[2021-10-28 23:40:03,498 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2021-10-28 23:40:03,498 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_zalloc
[2021-10-28 23:40:03,498 INFO  L138     BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD
[2021-10-28 23:40:03,498 INFO  L138     BoogieDeclarations]: Found implementation of procedure __ldv_list_add
[2021-10-28 23:40:03,499 INFO  L138     BoogieDeclarations]: Found implementation of procedure __ldv_list_del
[2021-10-28 23:40:03,499 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_list_add
[2021-10-28 23:40:03,499 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail
[2021-10-28 23:40:03,499 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_list_del
[2021-10-28 23:40:03,499 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_msg_alloc
[2021-10-28 23:40:03,500 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_msg_fill
[2021-10-28 23:40:03,516 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_msg_free
[2021-10-28 23:40:03,516 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_submit_msg
[2021-10-28 23:40:03,516 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_destroy_msgs
[2021-10-28 23:40:03,517 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata
[2021-10-28 23:40:03,517 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata
[2021-10-28 23:40:03,517 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_atomic_add_return
[2021-10-28 23:40:03,517 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_atomic_sub_return
[2021-10-28 23:40:03,517 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kref_sub
[2021-10-28 23:40:03,517 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kref_init
[2021-10-28 23:40:03,518 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kref_get
[2021-10-28 23:40:03,518 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kref_put
[2021-10-28 23:40:03,518 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kobject_del
[2021-10-28 23:40:03,518 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kobject_cleanup
[2021-10-28 23:40:03,518 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kobject_release
[2021-10-28 23:40:03,519 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kobject_put
[2021-10-28 23:40:03,519 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kobject_get
[2021-10-28 23:40:03,519 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kobject_init_internal
[2021-10-28 23:40:03,519 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kobject_init
[2021-10-28 23:40:03,519 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_kobject_create
[2021-10-28 23:40:03,520 INFO  L138     BoogieDeclarations]: Found implementation of procedure f
[2021-10-28 23:40:03,520 INFO  L138     BoogieDeclarations]: Found implementation of procedure g
[2021-10-28 23:40:03,520 INFO  L138     BoogieDeclarations]: Found implementation of procedure alloc_8
[2021-10-28 23:40:03,520 INFO  L138     BoogieDeclarations]: Found implementation of procedure free_8
[2021-10-28 23:40:03,521 INFO  L138     BoogieDeclarations]: Found implementation of procedure entry_point
[2021-10-28 23:40:03,521 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2021-10-28 23:40:03,521 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2021-10-28 23:40:03,522 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit
[2021-10-28 23:40:03,522 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy
[2021-10-28 23:40:03,522 INFO  L130     BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2021-10-28 23:40:03,523 INFO  L130     BoogieDeclarations]: Found specification of procedure atof
[2021-10-28 23:40:03,523 INFO  L130     BoogieDeclarations]: Found specification of procedure atoi
[2021-10-28 23:40:03,523 INFO  L130     BoogieDeclarations]: Found specification of procedure atol
[2021-10-28 23:40:03,523 INFO  L130     BoogieDeclarations]: Found specification of procedure atoll
[2021-10-28 23:40:03,523 INFO  L130     BoogieDeclarations]: Found specification of procedure strtod
[2021-10-28 23:40:03,524 INFO  L130     BoogieDeclarations]: Found specification of procedure strtof
[2021-10-28 23:40:03,524 INFO  L130     BoogieDeclarations]: Found specification of procedure strtold
[2021-10-28 23:40:03,524 INFO  L130     BoogieDeclarations]: Found specification of procedure strtol
[2021-10-28 23:40:03,525 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoul
[2021-10-28 23:40:03,525 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoq
[2021-10-28 23:40:03,526 INFO  L130     BoogieDeclarations]: Found specification of procedure strtouq
[2021-10-28 23:40:03,526 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoll
[2021-10-28 23:40:03,527 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoull
[2021-10-28 23:40:03,527 INFO  L130     BoogieDeclarations]: Found specification of procedure l64a
[2021-10-28 23:40:03,528 INFO  L130     BoogieDeclarations]: Found specification of procedure a64l
[2021-10-28 23:40:03,528 INFO  L130     BoogieDeclarations]: Found specification of procedure __bswap_32
[2021-10-28 23:40:03,528 INFO  L130     BoogieDeclarations]: Found specification of procedure __bswap_64
[2021-10-28 23:40:03,529 INFO  L130     BoogieDeclarations]: Found specification of procedure __uint16_identity
[2021-10-28 23:40:03,529 INFO  L130     BoogieDeclarations]: Found specification of procedure __uint32_identity
[2021-10-28 23:40:03,529 INFO  L130     BoogieDeclarations]: Found specification of procedure __uint64_identity
[2021-10-28 23:40:03,529 INFO  L130     BoogieDeclarations]: Found specification of procedure select
[2021-10-28 23:40:03,529 INFO  L130     BoogieDeclarations]: Found specification of procedure pselect
[2021-10-28 23:40:03,530 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2021-10-28 23:40:03,530 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2021-10-28 23:40:03,530 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2021-10-28 23:40:03,530 INFO  L130     BoogieDeclarations]: Found specification of procedure random
[2021-10-28 23:40:03,530 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom
[2021-10-28 23:40:03,531 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate
[2021-10-28 23:40:03,531 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate
[2021-10-28 23:40:03,532 INFO  L130     BoogieDeclarations]: Found specification of procedure random_r
[2021-10-28 23:40:03,532 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom_r
[2021-10-28 23:40:03,532 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate_r
[2021-10-28 23:40:03,532 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate_r
[2021-10-28 23:40:03,532 INFO  L130     BoogieDeclarations]: Found specification of procedure rand
[2021-10-28 23:40:03,533 INFO  L130     BoogieDeclarations]: Found specification of procedure srand
[2021-10-28 23:40:03,533 INFO  L130     BoogieDeclarations]: Found specification of procedure rand_r
[2021-10-28 23:40:03,533 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48
[2021-10-28 23:40:03,533 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48
[2021-10-28 23:40:03,533 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48
[2021-10-28 23:40:03,533 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48
[2021-10-28 23:40:03,534 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48
[2021-10-28 23:40:03,534 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48
[2021-10-28 23:40:03,534 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48
[2021-10-28 23:40:03,534 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48
[2021-10-28 23:40:03,534 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48
[2021-10-28 23:40:03,535 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48_r
[2021-10-28 23:40:03,535 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48_r
[2021-10-28 23:40:03,535 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48_r
[2021-10-28 23:40:03,535 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48_r
[2021-10-28 23:40:03,535 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48_r
[2021-10-28 23:40:03,536 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48_r
[2021-10-28 23:40:03,536 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48_r
[2021-10-28 23:40:03,536 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48_r
[2021-10-28 23:40:03,536 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48_r
[2021-10-28 23:40:03,537 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2021-10-28 23:40:03,537 INFO  L130     BoogieDeclarations]: Found specification of procedure calloc
[2021-10-28 23:40:03,538 INFO  L130     BoogieDeclarations]: Found specification of procedure realloc
[2021-10-28 23:40:03,538 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2021-10-28 23:40:03,538 INFO  L130     BoogieDeclarations]: Found specification of procedure alloca
[2021-10-28 23:40:03,538 INFO  L130     BoogieDeclarations]: Found specification of procedure valloc
[2021-10-28 23:40:03,538 INFO  L130     BoogieDeclarations]: Found specification of procedure posix_memalign
[2021-10-28 23:40:03,538 INFO  L130     BoogieDeclarations]: Found specification of procedure aligned_alloc
[2021-10-28 23:40:03,539 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2021-10-28 23:40:03,539 INFO  L130     BoogieDeclarations]: Found specification of procedure atexit
[2021-10-28 23:40:03,539 INFO  L130     BoogieDeclarations]: Found specification of procedure at_quick_exit
[2021-10-28 23:40:03,539 INFO  L130     BoogieDeclarations]: Found specification of procedure on_exit
[2021-10-28 23:40:03,539 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2021-10-28 23:40:03,540 INFO  L130     BoogieDeclarations]: Found specification of procedure quick_exit
[2021-10-28 23:40:03,540 INFO  L130     BoogieDeclarations]: Found specification of procedure _Exit
[2021-10-28 23:40:03,540 INFO  L130     BoogieDeclarations]: Found specification of procedure getenv
[2021-10-28 23:40:03,541 INFO  L130     BoogieDeclarations]: Found specification of procedure putenv
[2021-10-28 23:40:03,541 INFO  L130     BoogieDeclarations]: Found specification of procedure setenv
[2021-10-28 23:40:03,542 INFO  L130     BoogieDeclarations]: Found specification of procedure unsetenv
[2021-10-28 23:40:03,542 INFO  L130     BoogieDeclarations]: Found specification of procedure clearenv
[2021-10-28 23:40:03,545 INFO  L130     BoogieDeclarations]: Found specification of procedure mktemp
[2021-10-28 23:40:03,545 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemp
[2021-10-28 23:40:03,546 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemps
[2021-10-28 23:40:03,546 INFO  L130     BoogieDeclarations]: Found specification of procedure mkdtemp
[2021-10-28 23:40:03,547 INFO  L130     BoogieDeclarations]: Found specification of procedure system
[2021-10-28 23:40:03,548 INFO  L130     BoogieDeclarations]: Found specification of procedure realpath
[2021-10-28 23:40:03,549 INFO  L130     BoogieDeclarations]: Found specification of procedure bsearch
[2021-10-28 23:40:03,549 INFO  L130     BoogieDeclarations]: Found specification of procedure qsort
[2021-10-28 23:40:03,550 INFO  L130     BoogieDeclarations]: Found specification of procedure abs
[2021-10-28 23:40:03,556 INFO  L130     BoogieDeclarations]: Found specification of procedure labs
[2021-10-28 23:40:03,556 INFO  L130     BoogieDeclarations]: Found specification of procedure llabs
[2021-10-28 23:40:03,556 INFO  L130     BoogieDeclarations]: Found specification of procedure div
[2021-10-28 23:40:03,556 INFO  L130     BoogieDeclarations]: Found specification of procedure ldiv
[2021-10-28 23:40:03,557 INFO  L130     BoogieDeclarations]: Found specification of procedure lldiv
[2021-10-28 23:40:03,557 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt
[2021-10-28 23:40:03,557 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt
[2021-10-28 23:40:03,557 INFO  L130     BoogieDeclarations]: Found specification of procedure gcvt
[2021-10-28 23:40:03,557 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt
[2021-10-28 23:40:03,557 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt
[2021-10-28 23:40:03,558 INFO  L130     BoogieDeclarations]: Found specification of procedure qgcvt
[2021-10-28 23:40:03,558 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt_r
[2021-10-28 23:40:03,558 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt_r
[2021-10-28 23:40:03,558 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt_r
[2021-10-28 23:40:03,558 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt_r
[2021-10-28 23:40:03,558 INFO  L130     BoogieDeclarations]: Found specification of procedure mblen
[2021-10-28 23:40:03,559 INFO  L130     BoogieDeclarations]: Found specification of procedure mbtowc
[2021-10-28 23:40:03,559 INFO  L130     BoogieDeclarations]: Found specification of procedure wctomb
[2021-10-28 23:40:03,559 INFO  L130     BoogieDeclarations]: Found specification of procedure mbstowcs
[2021-10-28 23:40:03,559 INFO  L130     BoogieDeclarations]: Found specification of procedure wcstombs
[2021-10-28 23:40:03,559 INFO  L130     BoogieDeclarations]: Found specification of procedure rpmatch
[2021-10-28 23:40:03,559 INFO  L130     BoogieDeclarations]: Found specification of procedure getsubopt
[2021-10-28 23:40:03,560 INFO  L130     BoogieDeclarations]: Found specification of procedure getloadavg
[2021-10-28 23:40:03,560 INFO  L130     BoogieDeclarations]: Found specification of procedure kfree
[2021-10-28 23:40:03,560 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2021-10-28 23:40:03,560 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_nonpositive
[2021-10-28 23:40:03,560 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_positive
[2021-10-28 23:40:03,561 INFO  L130     BoogieDeclarations]: Found specification of procedure memcpy
[2021-10-28 23:40:03,561 INFO  L130     BoogieDeclarations]: Found specification of procedure memset
[2021-10-28 23:40:03,561 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_malloc
[2021-10-28 23:40:03,561 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-10-28 23:40:03,561 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_zalloc
[2021-10-28 23:40:03,561 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.meminit
[2021-10-28 23:40:03,562 INFO  L130     BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD
[2021-10-28 23:40:03,562 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2021-10-28 23:40:03,562 INFO  L130     BoogieDeclarations]: Found specification of procedure __ldv_list_add
[2021-10-28 23:40:03,562 INFO  L130     BoogieDeclarations]: Found specification of procedure __ldv_list_del
[2021-10-28 23:40:03,562 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_list_add
[2021-10-28 23:40:03,563 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2021-10-28 23:40:03,563 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_list_add_tail
[2021-10-28 23:40:03,563 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_list_del
[2021-10-28 23:40:03,563 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_msg_alloc
[2021-10-28 23:40:03,563 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_msg_fill
[2021-10-28 23:40:03,563 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy
[2021-10-28 23:40:03,564 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_msg_free
[2021-10-28 23:40:03,564 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-28 23:40:03,564 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_submit_msg
[2021-10-28 23:40:03,564 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_destroy_msgs
[2021-10-28 23:40:03,564 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata
[2021-10-28 23:40:03,564 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata
[2021-10-28 23:40:03,565 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_atomic_add_return
[2021-10-28 23:40:03,565 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2021-10-28 23:40:03,565 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2021-10-28 23:40:03,565 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_atomic_sub_return
[2021-10-28 23:40:03,565 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kref_sub
[2021-10-28 23:40:03,566 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID
[2021-10-28 23:40:03,566 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kref_init
[2021-10-28 23:40:03,566 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kref_get
[2021-10-28 23:40:03,566 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kref_put
[2021-10-28 23:40:03,566 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kobject_del
[2021-10-28 23:40:03,566 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kobject_cleanup
[2021-10-28 23:40:03,567 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kobject_release
[2021-10-28 23:40:03,567 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kobject_put
[2021-10-28 23:40:03,567 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kobject_get
[2021-10-28 23:40:03,567 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kobject_init_internal
[2021-10-28 23:40:03,567 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kobject_init
[2021-10-28 23:40:03,567 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_kobject_create
[2021-10-28 23:40:03,568 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2021-10-28 23:40:03,568 INFO  L130     BoogieDeclarations]: Found specification of procedure f
[2021-10-28 23:40:03,568 INFO  L130     BoogieDeclarations]: Found specification of procedure g
[2021-10-28 23:40:03,568 INFO  L130     BoogieDeclarations]: Found specification of procedure alloc_8
[2021-10-28 23:40:03,568 INFO  L130     BoogieDeclarations]: Found specification of procedure free_8
[2021-10-28 23:40:03,568 INFO  L130     BoogieDeclarations]: Found specification of procedure entry_point
[2021-10-28 23:40:03,569 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2021-10-28 23:40:03,569 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2021-10-28 23:40:03,569 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-28 23:40:03,569 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2021-10-28 23:40:03,569 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 23:40:03,569 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode
[2021-10-28 23:40:03,570 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2021-10-28 23:40:03,570 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$
[2021-10-28 23:40:03,570 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4
[2021-10-28 23:40:03,570 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4
[2021-10-28 23:40:04,346 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-10-28 23:40:04,802 WARN  L805   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2021-10-28 23:40:05,224 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 23:40:05,224 INFO  L299             CfgBuilder]: Removed 1 assume(true) statements.
[2021-10-28 23:40:05,227 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:40:05 BoogieIcfgContainer
[2021-10-28 23:40:05,228 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 23:40:05,230 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-28 23:40:05,230 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-28 23:40:05,233 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-28 23:40:05,234 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:40:02" (1/3) ...
[2021-10-28 23:40:05,235 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db1079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:40:05, skipping insertion in model container
[2021-10-28 23:40:05,235 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:40:03" (2/3) ...
[2021-10-28 23:40:05,235 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db1079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:40:05, skipping insertion in model container
[2021-10-28 23:40:05,235 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:40:05" (3/3) ...
[2021-10-28 23:40:05,237 INFO  L111   eAbstractionObserver]: Analyzing ICFG memleaks_test8.i
[2021-10-28 23:40:05,244 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-28 23:40:05,244 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations.
[2021-10-28 23:40:05,296 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-28 23:40:05,303 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
[2021-10-28 23:40:05,304 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 74 error locations.
[2021-10-28 23:40:05,329 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 103 states, 56 states have (on average 1.5) internal successors, (84), 77 states have internal predecessors, (84), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2021-10-28 23:40:05,350 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2021-10-28 23:40:05,351 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:40:05,351 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:40:05,352 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting free_8Err0ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] ===
[2021-10-28 23:40:05,373 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:40:05,374 INFO  L85        PathProgramCache]: Analyzing trace with hash 12717103, now seen corresponding path program 1 times
[2021-10-28 23:40:05,388 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-10-28 23:40:05,388 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1140991083]
[2021-10-28 23:40:05,388 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:40:05,389 INFO  L170          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-10-28 23:40:05,390 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat
[2021-10-28 23:40:05,393 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-10-28 23:40:05,403 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2021-10-28 23:40:05,613 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:40:05,618 INFO  L263         TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-10-28 23:40:05,624 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:40:05,792 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:40:05,793 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-10-28 23:40:05,933 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:40:05,934 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-10-28 23:40:05,935 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1140991083]
[2021-10-28 23:40:05,935 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1140991083] provided 2 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:40:05,936 INFO  L186   FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:40:05,937 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4
[2021-10-28 23:40:05,941 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855110441]
[2021-10-28 23:40:05,946 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-10-28 23:40:05,946 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-10-28 23:40:05,962 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-28 23:40:05,963 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-10-28 23:40:05,966 INFO  L87              Difference]: Start difference. First operand  has 103 states, 56 states have (on average 1.5) internal successors, (84), 77 states have internal predecessors, (84), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand  has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3)
[2021-10-28 23:40:06,037 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:40:06,038 INFO  L93              Difference]: Finished difference Result 32 states and 33 transitions.
[2021-10-28 23:40:06,038 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-28 23:40:06,040 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 18
[2021-10-28 23:40:06,040 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:40:06,048 INFO  L225             Difference]: With dead ends: 32
[2021-10-28 23:40:06,048 INFO  L226             Difference]: Without dead ends: 29
[2021-10-28 23:40:06,050 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2021-10-28 23:40:06,066 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 29 states.
[2021-10-28 23:40:06,082 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29.
[2021-10-28 23:40:06,084 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 29 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2021-10-28 23:40:06,086 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions.
[2021-10-28 23:40:06,088 INFO  L78                 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 18
[2021-10-28 23:40:06,089 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:40:06,089 INFO  L470      AbstractCegarLoop]: Abstraction has 29 states and 30 transitions.
[2021-10-28 23:40:06,089 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3)
[2021-10-28 23:40:06,090 INFO  L276                IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions.
[2021-10-28 23:40:06,090 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2021-10-28 23:40:06,091 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:40:06,091 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:40:06,112 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2021-10-28 23:40:06,312 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3
[2021-10-28 23:40:06,313 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting free_8Err1ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] ===
[2021-10-28 23:40:06,313 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:40:06,314 INFO  L85        PathProgramCache]: Analyzing trace with hash 394230500, now seen corresponding path program 1 times
[2021-10-28 23:40:06,314 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-10-28 23:40:06,315 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2112430866]
[2021-10-28 23:40:06,315 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:40:06,315 INFO  L170          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-10-28 23:40:06,315 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat
[2021-10-28 23:40:06,317 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-10-28 23:40:06,350 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2021-10-28 23:40:06,528 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:40:06,532 INFO  L263         TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core
[2021-10-28 23:40:06,534 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:40:06,829 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:40:06,830 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-10-28 23:40:07,093 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:40:07,094 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-10-28 23:40:07,094 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2112430866]
[2021-10-28 23:40:07,094 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2112430866] provided 2 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:40:07,094 INFO  L186   FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:40:07,095 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 8
[2021-10-28 23:40:07,095 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564961894]
[2021-10-28 23:40:07,096 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2021-10-28 23:40:07,097 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-10-28 23:40:07,098 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-10-28 23:40:07,098 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2021-10-28 23:40:07,098 INFO  L87              Difference]: Start difference. First operand 29 states and 30 transitions. Second operand  has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6)
[2021-10-28 23:40:07,415 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:40:07,415 INFO  L93              Difference]: Finished difference Result 41 states and 43 transitions.
[2021-10-28 23:40:07,420 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2021-10-28 23:40:07,420 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6) Word has length 19
[2021-10-28 23:40:07,421 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:40:07,422 INFO  L225             Difference]: With dead ends: 41
[2021-10-28 23:40:07,422 INFO  L226             Difference]: Without dead ends: 41
[2021-10-28 23:40:07,423 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156
[2021-10-28 23:40:07,423 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2021-10-28 23:40:07,434 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40.
[2021-10-28 23:40:07,434 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 40 states, 23 states have (on average 1.173913043478261) internal successors, (27), 25 states have internal predecessors, (27), 7 states have call successors, (7), 7 states have call predecessors, (7), 8 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8)
[2021-10-28 23:40:07,438 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 42 transitions.
[2021-10-28 23:40:07,439 INFO  L78                 Accepts]: Start accepts. Automaton has 40 states and 42 transitions. Word has length 19
[2021-10-28 23:40:07,439 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:40:07,439 INFO  L470      AbstractCegarLoop]: Abstraction has 40 states and 42 transitions.
[2021-10-28 23:40:07,440 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 8 states have (on average 2.5) internal successors, (20), 7 states have internal predecessors, (20), 4 states have call successors, (11), 4 states have call predecessors, (11), 6 states have return successors, (6), 6 states have call predecessors, (6), 2 states have call successors, (6)
[2021-10-28 23:40:07,440 INFO  L276                IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions.
[2021-10-28 23:40:07,443 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2021-10-28 23:40:07,443 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:40:07,443 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:40:07,461 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2021-10-28 23:40:07,662 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3
[2021-10-28 23:40:07,662 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting free_8Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] ===
[2021-10-28 23:40:07,666 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:40:07,666 INFO  L85        PathProgramCache]: Analyzing trace with hash -663756079, now seen corresponding path program 1 times
[2021-10-28 23:40:07,667 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-10-28 23:40:07,667 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2032933967]
[2021-10-28 23:40:07,667 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:40:07,667 INFO  L170          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-10-28 23:40:07,668 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat
[2021-10-28 23:40:07,672 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-10-28 23:40:07,716 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2021-10-28 23:40:07,899 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:40:07,903 INFO  L263         TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core
[2021-10-28 23:40:07,905 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:40:07,969 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2021-10-28 23:40:08,047 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:40:08,047 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-10-28 23:40:08,215 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:40:08,215 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-10-28 23:40:08,216 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2032933967]
[2021-10-28 23:40:08,216 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2032933967] provided 2 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:40:08,216 INFO  L186   FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:40:08,216 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4
[2021-10-28 23:40:08,216 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969146106]
[2021-10-28 23:40:08,218 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-10-28 23:40:08,218 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-10-28 23:40:08,221 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-28 23:40:08,222 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-10-28 23:40:08,222 INFO  L87              Difference]: Start difference. First operand 40 states and 42 transitions. Second operand  has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3)
[2021-10-28 23:40:08,285 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:40:08,285 INFO  L93              Difference]: Finished difference Result 40 states and 41 transitions.
[2021-10-28 23:40:08,285 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-28 23:40:08,286 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20
[2021-10-28 23:40:08,286 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:40:08,289 INFO  L225             Difference]: With dead ends: 40
[2021-10-28 23:40:08,289 INFO  L226             Difference]: Without dead ends: 40
[2021-10-28 23:40:08,289 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-10-28 23:40:08,290 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 40 states.
[2021-10-28 23:40:08,297 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40.
[2021-10-28 23:40:08,297 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 40 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 25 states have internal predecessors, (26), 7 states have call successors, (7), 7 states have call predecessors, (7), 8 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8)
[2021-10-28 23:40:08,298 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions.
[2021-10-28 23:40:08,299 INFO  L78                 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 20
[2021-10-28 23:40:08,299 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:40:08,299 INFO  L470      AbstractCegarLoop]: Abstraction has 40 states and 41 transitions.
[2021-10-28 23:40:08,301 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3)
[2021-10-28 23:40:08,301 INFO  L276                IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions.
[2021-10-28 23:40:08,302 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2021-10-28 23:40:08,303 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:40:08,303 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:40:08,321 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2021-10-28 23:40:08,516 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3
[2021-10-28 23:40:08,518 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting free_8Err2ASSERT_VIOLATIONMEMORY_FREE === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] ===
[2021-10-28 23:40:08,518 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:40:08,518 INFO  L85        PathProgramCache]: Analyzing trace with hash 1834259858, now seen corresponding path program 1 times
[2021-10-28 23:40:08,519 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-10-28 23:40:08,519 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1377643448]
[2021-10-28 23:40:08,519 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:40:08,519 INFO  L170          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-10-28 23:40:08,519 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat
[2021-10-28 23:40:08,521 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-10-28 23:40:08,555 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2021-10-28 23:40:08,707 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:40:08,709 INFO  L263         TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core
[2021-10-28 23:40:08,711 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:40:08,828 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:40:08,828 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-10-28 23:40:09,024 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:40:09,024 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-10-28 23:40:09,024 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1377643448]
[2021-10-28 23:40:09,025 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1377643448] provided 2 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:40:09,025 INFO  L186   FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:40:09,025 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5
[2021-10-28 23:40:09,025 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53775982]
[2021-10-28 23:40:09,026 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2021-10-28 23:40:09,026 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-10-28 23:40:09,027 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2021-10-28 23:40:09,027 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2021-10-28 23:40:09,027 INFO  L87              Difference]: Start difference. First operand 40 states and 41 transitions. Second operand  has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3)
[2021-10-28 23:40:09,081 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:40:09,082 INFO  L93              Difference]: Finished difference Result 37 states and 37 transitions.
[2021-10-28 23:40:09,082 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2021-10-28 23:40:09,082 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20
[2021-10-28 23:40:09,083 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:40:09,084 INFO  L225             Difference]: With dead ends: 37
[2021-10-28 23:40:09,084 INFO  L226             Difference]: Without dead ends: 37
[2021-10-28 23:40:09,084 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2021-10-28 23:40:09,084 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 37 states.
[2021-10-28 23:40:09,089 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36.
[2021-10-28 23:40:09,089 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 36 states, 20 states have (on average 1.05) internal successors, (21), 21 states have internal predecessors, (21), 7 states have call successors, (7), 7 states have call predecessors, (7), 8 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8)
[2021-10-28 23:40:09,090 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions.
[2021-10-28 23:40:09,091 INFO  L78                 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 20
[2021-10-28 23:40:09,091 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:40:09,091 INFO  L470      AbstractCegarLoop]: Abstraction has 36 states and 36 transitions.
[2021-10-28 23:40:09,092 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3)
[2021-10-28 23:40:09,092 INFO  L276                IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions.
[2021-10-28 23:40:09,093 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2021-10-28 23:40:09,093 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:40:09,093 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:40:09,110 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0
[2021-10-28 23:40:09,306 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3
[2021-10-28 23:40:09,306 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] ===
[2021-10-28 23:40:09,307 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:40:09,307 INFO  L85        PathProgramCache]: Analyzing trace with hash -1534178647, now seen corresponding path program 1 times
[2021-10-28 23:40:09,308 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-10-28 23:40:09,308 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2029770891]
[2021-10-28 23:40:09,308 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:40:09,308 INFO  L170          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-10-28 23:40:09,309 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat
[2021-10-28 23:40:09,310 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-10-28 23:40:09,350 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2021-10-28 23:40:09,561 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:40:09,564 INFO  L263         TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 10 conjunts are in the unsatisfiable core
[2021-10-28 23:40:09,566 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:40:09,665 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:40:09,665 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-10-28 23:40:09,875 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:40:09,875 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-10-28 23:40:09,875 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2029770891]
[2021-10-28 23:40:09,876 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2029770891] provided 2 perfect and 0 imperfect interpolant sequences
[2021-10-28 23:40:09,876 INFO  L186   FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:40:09,876 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2021-10-28 23:40:09,876 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280284078]
[2021-10-28 23:40:09,877 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-28 23:40:09,877 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-10-28 23:40:09,878 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-28 23:40:09,878 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:40:09,878 INFO  L87              Difference]: Start difference. First operand 36 states and 36 transitions. Second operand  has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2021-10-28 23:40:09,917 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-28 23:40:09,918 INFO  L93              Difference]: Finished difference Result 40 states and 39 transitions.
[2021-10-28 23:40:09,918 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-28 23:40:09,918 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 23
[2021-10-28 23:40:09,919 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-28 23:40:09,919 INFO  L225             Difference]: With dead ends: 40
[2021-10-28 23:40:09,920 INFO  L226             Difference]: Without dead ends: 27
[2021-10-28 23:40:09,920 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-28 23:40:09,920 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 27 states.
[2021-10-28 23:40:09,931 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27.
[2021-10-28 23:40:09,932 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 27 states, 15 states have (on average 1.0) internal successors, (15), 15 states have internal predecessors, (15), 6 states have call successors, (6), 6 states have call predecessors, (6), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2021-10-28 23:40:09,933 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions.
[2021-10-28 23:40:09,933 INFO  L78                 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 23
[2021-10-28 23:40:09,933 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-28 23:40:09,934 INFO  L470      AbstractCegarLoop]: Abstraction has 27 states and 26 transitions.
[2021-10-28 23:40:09,934 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2021-10-28 23:40:09,934 INFO  L276                IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions.
[2021-10-28 23:40:09,935 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2021-10-28 23:40:09,935 INFO  L505         BasicCegarLoop]: Found error trace
[2021-10-28 23:40:09,935 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-10-28 23:40:09,963 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0
[2021-10-28 23:40:10,152 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3
[2021-10-28 23:40:10,152 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting mainErr0ENSURES_VIOLATIONMEMORY_LEAK === [ldv_msg_allocErr0REQUIRES_VIOLATION, ldv_msg_allocErr1REQUIRES_VIOLATION, ldv_kref_initErr0REQUIRES_VIOLATION, ldv_kref_initErr1REQUIRES_VIOLATION (and 70 more)] ===
[2021-10-28 23:40:10,152 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 23:40:10,152 INFO  L85        PathProgramCache]: Analyzing trace with hash 714098001, now seen corresponding path program 1 times
[2021-10-28 23:40:10,153 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-10-28 23:40:10,153 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1241598058]
[2021-10-28 23:40:10,153 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:40:10,153 INFO  L170          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-10-28 23:40:10,153 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat
[2021-10-28 23:40:10,154 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-10-28 23:40:10,157 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process
[2021-10-28 23:40:10,403 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:40:10,407 INFO  L263         TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjunts are in the unsatisfiable core
[2021-10-28 23:40:10,409 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:40:10,432 INFO  L354             Elim1Store]: treesize reduction 11, result has 45.0 percent of original size
[2021-10-28 23:40:10,432 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15
[2021-10-28 23:40:10,753 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6
[2021-10-28 23:40:14,999 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:40:14,999 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-10-28 23:40:27,583 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-10-28 23:40:27,583 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1241598058]
[2021-10-28 23:40:27,583 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(= (store |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77 (_ bv0 1)) v_prenex_1)=(= (select v_prenex_1 v_antiDerIndex_entry0_1) (select (store |v_old(#valid)_BEFORE_CALL_14| v_~a8~0.base_77 (_ bv0 1)) v_antiDerIndex_entry0_1))}
[2021-10-28 23:40:27,584 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [419285865]
[2021-10-28 23:40:27,584 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:40:27,584 INFO  L170          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2021-10-28 23:40:27,584 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/cvc4
[2021-10-28 23:40:27,593 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2021-10-28 23:40:27,617 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process
[2021-10-28 23:40:27,964 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:40:27,966 INFO  L263         TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 18 conjunts are in the unsatisfiable core
[2021-10-28 23:40:27,968 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:40:27,995 INFO  L354             Elim1Store]: treesize reduction 11, result has 45.0 percent of original size
[2021-10-28 23:40:27,996 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 28
[2021-10-28 23:40:28,262 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6
[2021-10-28 23:40:30,413 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:40:30,413 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-10-28 23:40:41,647 WARN  L838   $PredicateComparison]: unable to prove that (forall ((|v_old(#valid)_BEFORE_CALL_19| (Array (_ BitVec 32) (_ BitVec 1)))) (or (= (store |c_#valid| c_~a8~0.base (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_19|) (exists ((v_~a8~0.base_77 (_ BitVec 32))) (and (not (= (store |c_old(#valid)| v_~a8~0.base_77 (_ bv0 1)) |v_old(#valid)_BEFORE_CALL_19|)) (= (_ bv0 1) (bvneg (bvneg (bvneg (select |c_old(#valid)| v_~a8~0.base_77))))))))) is different from false
[2021-10-28 23:40:41,846 INFO  L354             Elim1Store]: treesize reduction 16, result has 78.1 percent of original size
[2021-10-28 23:40:41,846 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 106
[2021-10-28 23:40:43,192 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(not (= (store |old(#valid)| ~a8~0.base (_ bv0 1)) v_prenex_3))=(not (= (select v_prenex_3 v_antiDerIndex_entry0_3) (select (store |old(#valid)| ~a8~0.base (_ bv0 1)) v_antiDerIndex_entry0_3)))}
[2021-10-28 23:40:43,193 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149903271]
[2021-10-28 23:40:43,193 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 23:40:43,193 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-28 23:40:43,193 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 23:40:43,205 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-28 23:40:43,211 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2021-10-28 23:40:43,477 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-28 23:40:43,479 INFO  L263         TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 15 conjunts are in the unsatisfiable core
[2021-10-28 23:40:43,482 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-28 23:40:43,600 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6
[2021-10-28 23:40:45,706 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-28 23:40:45,706 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-10-28 23:40:58,532 INFO  L354             Elim1Store]: treesize reduction 16, result has 78.1 percent of original size
[2021-10-28 23:40:58,532 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 61 treesize of output 108
[2021-10-28 23:40:59,002 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Substitution failed: {(not (= (store |old(#valid)| ~a8~0.base (_ bv0 1)) v_prenex_7))=(not (= (select (store |old(#valid)| ~a8~0.base (_ bv0 1)) v_antiDerIndex_entry0_5) (select v_prenex_7 v_antiDerIndex_entry0_5)))}
[2021-10-28 23:40:59,002 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences.
[2021-10-28 23:40:59,002 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0
[2021-10-28 23:40:59,002 ERROR L172   FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible
[2021-10-28 23:40:59,003 INFO  L627         BasicCegarLoop]: Counterexample might be feasible
[2021-10-28 23:40:59,009 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0ENSURES_VIOLATIONMEMORY_LEAK
[2021-10-28 23:40:59,010 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr0REQUIRES_VIOLATION
[2021-10-28 23:40:59,011 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_allocErr1REQUIRES_VIOLATION
[2021-10-28 23:40:59,011 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr0REQUIRES_VIOLATION
[2021-10-28 23:40:59,011 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kref_initErr1REQUIRES_VIOLATION
[2021-10-28 23:40:59,011 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr0REQUIRES_VIOLATION
[2021-10-28 23:40:59,011 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr1REQUIRES_VIOLATION
[2021-10-28 23:40:59,011 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr2REQUIRES_VIOLATION
[2021-10-28 23:40:59,011 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_add_returnErr3REQUIRES_VIOLATION
[2021-10-28 23:40:59,012 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr0REQUIRES_VIOLATION
[2021-10-28 23:40:59,012 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr1REQUIRES_VIOLATION
[2021-10-28 23:40:59,012 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr2REQUIRES_VIOLATION
[2021-10-28 23:40:59,012 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location LDV_INIT_LIST_HEADErr3REQUIRES_VIOLATION
[2021-10-28 23:40:59,012 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr0REQUIRES_VIOLATION
[2021-10-28 23:40:59,012 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr1REQUIRES_VIOLATION
[2021-10-28 23:40:59,012 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr2REQUIRES_VIOLATION
[2021-10-28 23:40:59,013 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr3REQUIRES_VIOLATION
[2021-10-28 23:40:59,013 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr4REQUIRES_VIOLATION
[2021-10-28 23:40:59,013 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr5REQUIRES_VIOLATION
[2021-10-28 23:40:59,013 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr6REQUIRES_VIOLATION
[2021-10-28 23:40:59,013 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_addErr7REQUIRES_VIOLATION
[2021-10-28 23:40:59,013 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr0REQUIRES_VIOLATION
[2021-10-28 23:40:59,013 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_set_drvdataErr1REQUIRES_VIOLATION
[2021-10-28 23:40:59,013 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr0REQUIRES_VIOLATION
[2021-10-28 23:40:59,014 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr1REQUIRES_VIOLATION
[2021-10-28 23:40:59,014 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr2REQUIRES_VIOLATION
[2021-10-28 23:40:59,014 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location __ldv_list_delErr3REQUIRES_VIOLATION
[2021-10-28 23:40:59,014 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr0REQUIRES_VIOLATION
[2021-10-28 23:40:59,014 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr1REQUIRES_VIOLATION
[2021-10-28 23:40:59,014 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr2REQUIRES_VIOLATION
[2021-10-28 23:40:59,014 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_atomic_sub_returnErr3REQUIRES_VIOLATION
[2021-10-28 23:40:59,015 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr0REQUIRES_VIOLATION
[2021-10-28 23:40:59,015 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_addErr1REQUIRES_VIOLATION
[2021-10-28 23:40:59,015 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr0REQUIRES_VIOLATION
[2021-10-28 23:40:59,015 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr1REQUIRES_VIOLATION
[2021-10-28 23:40:59,015 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr2REQUIRES_VIOLATION
[2021-10-28 23:40:59,015 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr3REQUIRES_VIOLATION
[2021-10-28 23:40:59,015 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr4REQUIRES_VIOLATION
[2021-10-28 23:40:59,016 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_destroy_msgsErr5REQUIRES_VIOLATION
[2021-10-28 23:40:59,016 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr0REQUIRES_VIOLATION
[2021-10-28 23:40:59,016 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_dev_get_drvdataErr1REQUIRES_VIOLATION
[2021-10-28 23:40:59,016 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr0REQUIRES_VIOLATION
[2021-10-28 23:40:59,016 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr1REQUIRES_VIOLATION
[2021-10-28 23:40:59,016 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr2ASSERT_VIOLATIONMEMORY_FREE
[2021-10-28 23:40:59,017 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr3ASSERT_VIOLATIONMEMORY_FREE
[2021-10-28 23:40:59,017 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr4ASSERT_VIOLATIONMEMORY_FREE
[2021-10-28 23:40:59,017 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr5ASSERT_VIOLATIONMEMORY_FREE
[2021-10-28 23:40:59,017 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr6ASSERT_VIOLATIONMEMORY_FREE
[2021-10-28 23:40:59,017 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_freeErr7ASSERT_VIOLATIONMEMORY_FREE
[2021-10-28 23:40:59,018 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location free_8Err0ASSERT_VIOLATIONMEMORY_FREE
[2021-10-28 23:40:59,018 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location free_8Err1ASSERT_VIOLATIONMEMORY_FREE
[2021-10-28 23:40:59,018 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location free_8Err2ASSERT_VIOLATIONMEMORY_FREE
[2021-10-28 23:40:59,018 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr0REQUIRES_VIOLATION
[2021-10-28 23:40:59,018 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr1REQUIRES_VIOLATION
[2021-10-28 23:40:59,018 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr2REQUIRES_VIOLATION
[2021-10-28 23:40:59,019 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr3REQUIRES_VIOLATION
[2021-10-28 23:40:59,019 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr4REQUIRES_VIOLATION
[2021-10-28 23:40:59,019 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_msg_fillErr5REQUIRES_VIOLATION
[2021-10-28 23:40:59,019 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr0REQUIRES_VIOLATION
[2021-10-28 23:40:59,019 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr1REQUIRES_VIOLATION
[2021-10-28 23:40:59,020 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr2ASSERT_VIOLATIONMEMORY_FREE
[2021-10-28 23:40:59,020 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr3ASSERT_VIOLATIONMEMORY_FREE
[2021-10-28 23:40:59,020 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr4ASSERT_VIOLATIONMEMORY_FREE
[2021-10-28 23:40:59,020 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr5ASSERT_VIOLATIONMEMORY_FREE
[2021-10-28 23:40:59,020 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr6ASSERT_VIOLATIONMEMORY_FREE
[2021-10-28 23:40:59,020 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_cleanupErr7ASSERT_VIOLATIONMEMORY_FREE
[2021-10-28 23:40:59,021 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr0REQUIRES_VIOLATION
[2021-10-28 23:40:59,021 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_kobject_createErr1REQUIRES_VIOLATION
[2021-10-28 23:40:59,021 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr0REQUIRES_VIOLATION
[2021-10-28 23:40:59,021 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr1REQUIRES_VIOLATION
[2021-10-28 23:40:59,021 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr2REQUIRES_VIOLATION
[2021-10-28 23:40:59,021 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_delErr3REQUIRES_VIOLATION
[2021-10-28 23:40:59,022 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr0REQUIRES_VIOLATION
[2021-10-28 23:40:59,022 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ldv_list_add_tailErr1REQUIRES_VIOLATION
[2021-10-28 23:40:59,048 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0
[2021-10-28 23:40:59,255 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2021-10-28 23:40:59,436 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0
[2021-10-28 23:40:59,636 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/cvc4 --incremental --print-success --lang smt
[2021-10-28 23:40:59,639 INFO  L731         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2021-10-28 23:40:59,642 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-10-28 23:40:59,645 WARN  L418   cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true)
[2021-10-28 23:40:59,652 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:40:59 BoogieIcfgContainer
[2021-10-28 23:40:59,652 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-28 23:40:59,653 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 23:40:59,653 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-28 23:40:59,653 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-28 23:40:59,653 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:40:05" (3/4) ...
[2021-10-28 23:40:59,656 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2021-10-28 23:40:59,656 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 23:40:59,657 INFO  L168              Benchmark]: Toolchain (without parser) took 57076.07 ms. Allocated memory was 90.2 MB in the beginning and 130.0 MB in the end (delta: 39.8 MB). Free memory was 68.5 MB in the beginning and 81.2 MB in the end (delta: -12.7 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB.
[2021-10-28 23:40:59,658 INFO  L168              Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 52.4 MB. Free memory was 32.7 MB in the beginning and 32.6 MB in the end (delta: 47.6 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:40:59,658 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 709.94 ms. Allocated memory is still 90.2 MB. Free memory was 68.3 MB in the beginning and 56.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB.
[2021-10-28 23:40:59,659 INFO  L168              Benchmark]: Boogie Preprocessor took 102.30 ms. Allocated memory is still 90.2 MB. Free memory was 56.4 MB in the beginning and 51.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
[2021-10-28 23:40:59,659 INFO  L168              Benchmark]: RCFGBuilder took 1829.95 ms. Allocated memory is still 90.2 MB. Free memory was 51.7 MB in the beginning and 59.5 MB in the end (delta: -7.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB.
[2021-10-28 23:40:59,660 INFO  L168              Benchmark]: TraceAbstraction took 54422.28 ms. Allocated memory was 90.2 MB in the beginning and 130.0 MB in the end (delta: 39.8 MB). Free memory was 59.0 MB in the beginning and 81.2 MB in the end (delta: -22.2 MB). Peak memory consumption was 69.9 MB. Max. memory is 16.1 GB.
[2021-10-28 23:40:59,660 INFO  L168              Benchmark]: Witness Printer took 4.01 ms. Allocated memory is still 130.0 MB. Free memory is still 81.2 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 23:40:59,664 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.32 ms. Allocated memory is still 52.4 MB. Free memory was 32.7 MB in the beginning and 32.6 MB in the end (delta: 47.6 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 709.94 ms. Allocated memory is still 90.2 MB. Free memory was 68.3 MB in the beginning and 56.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 102.30 ms. Allocated memory is still 90.2 MB. Free memory was 56.4 MB in the beginning and 51.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 1829.95 ms. Allocated memory is still 90.2 MB. Free memory was 51.7 MB in the beginning and 59.5 MB in the end (delta: -7.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB.
 * TraceAbstraction took 54422.28 ms. Allocated memory was 90.2 MB in the beginning and 130.0 MB in the end (delta: 39.8 MB). Free memory was 59.0 MB in the beginning and 81.2 MB in the end (delta: -22.2 MB). Peak memory consumption was 69.9 MB. Max. memory is 16.1 GB.
 * Witness Printer took 4.01 ms. Allocated memory is still 130.0 MB. Free memory is still 81.2 MB. There was no memory consumed. 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)
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - UnprovableResult [Line: 769]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: unable to decide satisfiability of path constraint, overapproximation of memtrack at line 769. 
Possible FailurePath: 
[L569]              struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) };
[L757]              int *a8;
[L770]  CALL        entry_point()
[L765]  CALL        alloc_8()
[L759]  CALL, EXPR  ldv_malloc(sizeof(int))
[L526]  COND TRUE   __VERIFIER_nondet_int()
[L527]              return malloc(size);
[L759]  RET, EXPR   ldv_malloc(sizeof(int))
[L759]              a8 = (int *)ldv_malloc(sizeof(int))
[L765]  RET         alloc_8()
[L766]  CALL        free_8()
[L762]  COND TRUE   \read(*a8)
[L762]              free(a8)
[L762]              free(a8)
[L762]              free(a8)
[L766]  RET         free_8()
[L767]              a8 = 0
[L770]  RET         entry_point()

  - 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: 682]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 682]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 658]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 660]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 540]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 541]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 547]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 548]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 549]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 550]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 550]: 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: 554]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 554]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 555]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 666]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 668]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 559]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 559]: 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: 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: 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: 593]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 593]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 593]: Unable to prove that free always succeeds
    Unable to prove that free always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 593]: Unable to prove that free always succeeds
    Unable to prove that free always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 593]: Unable to prove that free always succeeds
    Unable to prove that free always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 594]: Unable to prove that free always succeeds
    Unable to prove that free always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 594]: Unable to prove that free always succeeds
    Unable to prove that free always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 594]: Unable to prove that free always succeeds
    Unable to prove that free always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 762]: Unable to prove that free always succeeds
    Unable to prove that free always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 762]: Unable to prove that free always succeeds
    Unable to prove that free always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 762]: Unable to prove that free always succeeds
    Unable to prove that free always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 587]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 588]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 699]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 700]: Unable to prove that free always succeeds
    Unable to prove that free always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 700]: Unable to prove that free always succeeds
    Unable to prove that free always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 700]: Unable to prove that free always succeeds
    Unable to prove that free always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 702]: Unable to prove that free always succeeds
    Unable to prove that free always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 702]: Unable to prove that free always succeeds
    Unable to prove that free always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 702]: Unable to prove that free always succeeds
    Unable to prove that free always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 744]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 567]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 563]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 49 procedures, 343 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 54.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 141 SDtfs, 89 SDslu, 230 SDs, 0 SdLazy, 158 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 203 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=0, InterpolantAutomatonStates: 26, 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, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 19.0s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 215 ConstructedInterpolants, 8 QuantifiedInterpolants, 883 SizeOfPredicates, 3 NumberOfNonLiveVariables, 562 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 could not prove your program: unable to determine feasibility of some traces
[2021-10-28 23:40:59,711 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8109d001-8d08-40d3-8f47-366879cdb645/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...