./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i --full-output --architecture 32bit


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


Checking for memory safety (deref-memtrack)
Using default analysis
Version dbf71c69
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ --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 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-dbf71c6-m
[2022-10-17 10:55:15,281 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-10-17 10:55:15,285 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-10-17 10:55:15,334 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-10-17 10:55:15,335 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-10-17 10:55:15,336 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-10-17 10:55:15,338 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-10-17 10:55:15,340 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-10-17 10:55:15,344 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-10-17 10:55:15,347 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-10-17 10:55:15,349 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-10-17 10:55:15,351 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-10-17 10:55:15,353 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-10-17 10:55:15,356 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-10-17 10:55:15,358 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-10-17 10:55:15,361 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-10-17 10:55:15,363 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-10-17 10:55:15,369 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-10-17 10:55:15,372 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-10-17 10:55:15,374 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-10-17 10:55:15,378 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-10-17 10:55:15,380 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-10-17 10:55:15,384 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-10-17 10:55:15,385 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-10-17 10:55:15,396 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-10-17 10:55:15,401 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-10-17 10:55:15,401 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-10-17 10:55:15,403 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-10-17 10:55:15,405 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-10-17 10:55:15,406 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-10-17 10:55:15,407 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-10-17 10:55:15,408 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-10-17 10:55:15,411 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-10-17 10:55:15,413 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-10-17 10:55:15,414 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-10-17 10:55:15,414 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-10-17 10:55:15,415 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-10-17 10:55:15,416 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-10-17 10:55:15,416 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-10-17 10:55:15,417 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-10-17 10:55:15,418 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-10-17 10:55:15,419 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2022-10-17 10:55:15,463 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-10-17 10:55:15,463 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-17 10:55:15,464 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-17 10:55:15,464 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-17 10:55:15,465 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-17 10:55:15,465 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-17 10:55:15,466 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-17 10:55:15,466 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-10-17 10:55:15,467 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-10-17 10:55:15,467 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-17 10:55:15,468 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-10-17 10:55:15,468 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2022-10-17 10:55:15,468 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-10-17 10:55:15,469 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-10-17 10:55:15,469 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-10-17 10:55:15,469 INFO  L138        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2022-10-17 10:55:15,469 INFO  L138        SettingsManager]:  * Bitprecise bitfields=true
[2022-10-17 10:55:15,470 INFO  L138        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2022-10-17 10:55:15,470 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-17 10:55:15,470 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2022-10-17 10:55:15,470 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-10-17 10:55:15,470 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-10-17 10:55:15,471 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-17 10:55:15,471 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-10-17 10:55:15,471 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-10-17 10:55:15,471 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-17 10:55:15,472 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-17 10:55:15,472 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-10-17 10:55:15,472 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-10-17 10:55:15,472 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-17 10:55:15,473 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_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/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_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ
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 -> 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d
[2022-10-17 10:55:15,791 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-17 10:55:15,821 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-17 10:55:15,824 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-17 10:55:15,825 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-10-17 10:55:15,826 INFO  L275        PluginConnector]: CDTParser initialized
[2022-10-17 10:55:15,827 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i
[2022-10-17 10:55:15,907 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/data/2a64d3208/a9042fdd899b4358a9440e48f779ad85/FLAGe75ead2a7
[2022-10-17 10:55:16,511 INFO  L306              CDTParser]: Found 1 translation units.
[2022-10-17 10:55:16,511 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i
[2022-10-17 10:55:16,538 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/data/2a64d3208/a9042fdd899b4358a9440e48f779ad85/FLAGe75ead2a7
[2022-10-17 10:55:16,729 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/data/2a64d3208/a9042fdd899b4358a9440e48f779ad85
[2022-10-17 10:55:16,732 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-17 10:55:16,733 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-10-17 10:55:16,735 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-10-17 10:55:16,735 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-10-17 10:55:16,739 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-10-17 10:55:16,740 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:55:16" (1/1) ...
[2022-10-17 10:55:16,741 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1389139e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:16, skipping insertion in model container
[2022-10-17 10:55:16,742 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:55:16" (1/1) ...
[2022-10-17 10:55:16,749 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-10-17 10:55:16,799 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-10-17 10:55:17,555 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44118,44131]
[2022-10-17 10:55:17,584 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44660,44673]
[2022-10-17 10:55:17,738 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56247,56260]
[2022-10-17 10:55:17,740 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56368,56381]
[2022-10-17 10:55:17,749 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-10-17 10:55:17,766 ERROR L326         MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation)
[2022-10-17 10:55:17,767 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5d9e9e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:17, skipping insertion in model container
[2022-10-17 10:55:17,767 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-10-17 10:55:17,768 INFO  L184        ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner
[2022-10-17 10:55:17,770 INFO  L158              Benchmark]: Toolchain (without parser) took 1035.27ms. Allocated memory was 94.4MB in the beginning and 132.1MB in the end (delta: 37.7MB). Free memory was 54.3MB in the beginning and 94.9MB in the end (delta: -40.5MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB.
[2022-10-17 10:55:17,770 INFO  L158              Benchmark]: CDTParser took 0.21ms. Allocated memory is still 94.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-10-17 10:55:17,772 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 1032.54ms. Allocated memory was 94.4MB in the beginning and 132.1MB in the end (delta: 37.7MB). Free memory was 54.2MB in the beginning and 94.9MB in the end (delta: -40.7MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB.
[2022-10-17 10:55:17,774 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.21ms. Allocated memory is still 94.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 1032.54ms. Allocated memory was 94.4MB in the beginning and 132.1MB in the end (delta: 37.7MB). Free memory was 54.2MB in the beginning and 94.9MB in the end (delta: -40.7MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - UnsupportedSyntaxResult [Line: 990]: Unsupported Syntax
    Found a cast between two array/pointer types of different sizes 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...
--- End real Ultimate output ---

Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis

### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ --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 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-dbf71c6-m
[2022-10-17 10:55:20,130 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-10-17 10:55:20,134 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-10-17 10:55:20,195 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-10-17 10:55:20,196 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-10-17 10:55:20,202 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-10-17 10:55:20,204 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-10-17 10:55:20,213 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-10-17 10:55:20,219 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-10-17 10:55:20,220 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-10-17 10:55:20,221 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-10-17 10:55:20,223 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-10-17 10:55:20,223 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-10-17 10:55:20,224 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-10-17 10:55:20,226 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-10-17 10:55:20,229 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-10-17 10:55:20,230 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-10-17 10:55:20,237 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-10-17 10:55:20,240 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-10-17 10:55:20,248 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-10-17 10:55:20,256 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-10-17 10:55:20,259 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-10-17 10:55:20,260 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-10-17 10:55:20,261 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-10-17 10:55:20,265 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-10-17 10:55:20,266 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-10-17 10:55:20,266 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-10-17 10:55:20,267 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-10-17 10:55:20,268 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-10-17 10:55:20,269 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-10-17 10:55:20,269 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-10-17 10:55:20,270 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-10-17 10:55:20,271 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-10-17 10:55:20,272 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-10-17 10:55:20,273 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-10-17 10:55:20,273 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-10-17 10:55:20,274 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-10-17 10:55:20,274 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-10-17 10:55:20,274 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-10-17 10:55:20,275 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-10-17 10:55:20,276 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-10-17 10:55:20,277 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf
[2022-10-17 10:55:20,302 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-10-17 10:55:20,302 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-17 10:55:20,302 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-17 10:55:20,303 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-17 10:55:20,303 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-17 10:55:20,303 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-17 10:55:20,304 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-17 10:55:20,304 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-10-17 10:55:20,305 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-10-17 10:55:20,305 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-17 10:55:20,305 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-10-17 10:55:20,305 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2022-10-17 10:55:20,305 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-10-17 10:55:20,306 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-10-17 10:55:20,306 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-10-17 10:55:20,306 INFO  L138        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2022-10-17 10:55:20,306 INFO  L138        SettingsManager]:  * Bitprecise bitfields=true
[2022-10-17 10:55:20,306 INFO  L138        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2022-10-17 10:55:20,307 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-17 10:55:20,307 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2022-10-17 10:55:20,307 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2022-10-17 10:55:20,307 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2022-10-17 10:55:20,307 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-10-17 10:55:20,307 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-10-17 10:55:20,308 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-17 10:55:20,308 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-10-17 10:55:20,308 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-10-17 10:55:20,308 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-17 10:55:20,309 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-17 10:55:20,309 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-10-17 10:55:20,309 INFO  L138        SettingsManager]:  * Trace refinement strategy=WOLF
[2022-10-17 10:55:20,309 INFO  L138        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2022-10-17 10:55:20,309 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-10-17 10:55:20,309 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_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/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_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ
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 -> 05edfd344a133924af20e7887ded3d695179bf474d7b39ea2b7287f4a108ff8d
[2022-10-17 10:55:20,689 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-17 10:55:20,710 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-17 10:55:20,713 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-17 10:55:20,714 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-10-17 10:55:20,715 INFO  L275        PluginConnector]: CDTParser initialized
[2022-10-17 10:55:20,717 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i
[2022-10-17 10:55:20,789 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/data/bb7570023/08cf1eecc28c41b99943b1bf0ee7ecd4/FLAGae9c6c145
[2022-10-17 10:55:21,454 INFO  L306              CDTParser]: Found 1 translation units.
[2022-10-17 10:55:21,455 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i
[2022-10-17 10:55:21,483 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/data/bb7570023/08cf1eecc28c41b99943b1bf0ee7ecd4/FLAGae9c6c145
[2022-10-17 10:55:21,670 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/data/bb7570023/08cf1eecc28c41b99943b1bf0ee7ecd4
[2022-10-17 10:55:21,675 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-17 10:55:21,678 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-10-17 10:55:21,681 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-10-17 10:55:21,681 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-10-17 10:55:21,700 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-10-17 10:55:21,701 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:55:21" (1/1) ...
[2022-10-17 10:55:21,715 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@512e450f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:21, skipping insertion in model container
[2022-10-17 10:55:21,716 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:55:21" (1/1) ...
[2022-10-17 10:55:21,723 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-10-17 10:55:21,793 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-10-17 10:55:22,556 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44118,44131]
[2022-10-17 10:55:22,579 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44660,44673]
[2022-10-17 10:55:22,777 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56247,56260]
[2022-10-17 10:55:22,779 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56368,56381]
[2022-10-17 10:55:22,793 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-10-17 10:55:22,814 INFO  L200         MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2022-10-17 10:55:22,830 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-10-17 10:55:22,866 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44118,44131]
[2022-10-17 10:55:22,871 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44660,44673]
[2022-10-17 10:55:22,965 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56247,56260]
[2022-10-17 10:55:22,969 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56368,56381]
[2022-10-17 10:55:22,975 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-10-17 10:55:22,988 INFO  L203         MainTranslator]: Completed pre-run
[2022-10-17 10:55:23,030 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44118,44131]
[2022-10-17 10:55:23,035 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[44660,44673]
[2022-10-17 10:55:23,118 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56247,56260]
[2022-10-17 10:55:23,119 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test6-1.i[56368,56381]
[2022-10-17 10:55:23,121 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-10-17 10:55:23,196 INFO  L208         MainTranslator]: Completed translation
[2022-10-17 10:55:23,196 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:23 WrapperNode
[2022-10-17 10:55:23,197 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-10-17 10:55:23,198 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-10-17 10:55:23,198 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-10-17 10:55:23,198 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-10-17 10:55:23,206 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:23" (1/1) ...
[2022-10-17 10:55:23,257 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:23" (1/1) ...
[2022-10-17 10:55:23,363 INFO  L138                Inliner]: procedures = 285, calls = 294, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1042
[2022-10-17 10:55:23,363 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-10-17 10:55:23,364 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-10-17 10:55:23,364 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-10-17 10:55:23,364 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-10-17 10:55:23,376 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:23" (1/1) ...
[2022-10-17 10:55:23,379 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:23" (1/1) ...
[2022-10-17 10:55:23,397 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:23" (1/1) ...
[2022-10-17 10:55:23,397 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:23" (1/1) ...
[2022-10-17 10:55:23,451 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:23" (1/1) ...
[2022-10-17 10:55:23,480 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:23" (1/1) ...
[2022-10-17 10:55:23,496 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:23" (1/1) ...
[2022-10-17 10:55:23,505 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:23" (1/1) ...
[2022-10-17 10:55:23,515 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-10-17 10:55:23,516 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-10-17 10:55:23,516 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-10-17 10:55:23,517 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-10-17 10:55:23,517 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:23" (1/1) ...
[2022-10-17 10:55:23,543 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-17 10:55:23,557 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/z3
[2022-10-17 10:55:23,577 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-10-17 10:55:23,611 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-10-17 10:55:23,634 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE1
[2022-10-17 10:55:23,634 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2022-10-17 10:55:23,634 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-10-17 10:55:23,634 INFO  L130     BoogieDeclarations]: Found specification of procedure memcmp
[2022-10-17 10:55:23,635 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2022-10-17 10:55:23,635 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-10-17 10:55:23,635 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2022-10-17 10:55:23,635 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2022-10-17 10:55:23,635 INFO  L130     BoogieDeclarations]: Found specification of procedure alt_bzero
[2022-10-17 10:55:23,636 INFO  L138     BoogieDeclarations]: Found implementation of procedure alt_bzero
[2022-10-17 10:55:23,636 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2022-10-17 10:55:23,636 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2022-10-17 10:55:23,636 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2022-10-17 10:55:23,636 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-10-17 10:55:23,637 INFO  L130     BoogieDeclarations]: Found specification of procedure alt_malloc
[2022-10-17 10:55:23,637 INFO  L138     BoogieDeclarations]: Found implementation of procedure alt_malloc
[2022-10-17 10:55:23,637 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2022-10-17 10:55:23,637 INFO  L130     BoogieDeclarations]: Found specification of procedure alt_free
[2022-10-17 10:55:23,637 INFO  L138     BoogieDeclarations]: Found implementation of procedure alt_free
[2022-10-17 10:55:23,638 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-10-17 10:55:23,639 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-10-17 10:55:23,970 INFO  L235             CfgBuilder]: Building ICFG
[2022-10-17 10:55:23,989 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-10-17 10:55:29,489 INFO  L276             CfgBuilder]: Performing block encoding
[2022-10-17 10:55:29,503 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-10-17 10:55:29,503 INFO  L300             CfgBuilder]: Removed 63 assume(true) statements.
[2022-10-17 10:55:29,507 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:55:29 BoogieIcfgContainer
[2022-10-17 10:55:29,507 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-10-17 10:55:29,510 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-10-17 10:55:29,510 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-10-17 10:55:29,513 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-10-17 10:55:29,514 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:55:21" (1/3) ...
[2022-10-17 10:55:29,515 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fb18526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:55:29, skipping insertion in model container
[2022-10-17 10:55:29,515 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:55:23" (2/3) ...
[2022-10-17 10:55:29,515 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fb18526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:55:29, skipping insertion in model container
[2022-10-17 10:55:29,516 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:55:29" (3/3) ...
[2022-10-17 10:55:29,517 INFO  L112   eAbstractionObserver]: Analyzing ICFG uthash_BER_test6-1.i
[2022-10-17 10:55:29,536 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-10-17 10:55:29,536 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 531 error locations.
[2022-10-17 10:55:29,602 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-10-17 10:55:29,609 INFO  L357      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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@680a77b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-17 10:55:29,609 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 531 error locations.
[2022-10-17 10:55:29,618 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 1083 states, 534 states have (on average 2.2284644194756553) internal successors, (1190), 1065 states have internal predecessors, (1190), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2022-10-17 10:55:29,624 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2022-10-17 10:55:29,625 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-17 10:55:29,625 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1]
[2022-10-17 10:55:29,626 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_freeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 528 more)] ===
[2022-10-17 10:55:29,632 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-17 10:55:29,632 INFO  L85        PathProgramCache]: Analyzing trace with hash 77521, now seen corresponding path program 1 times
[2022-10-17 10:55:29,646 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-10-17 10:55:29,646 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1009111047]
[2022-10-17 10:55:29,647 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-17 10:55:29,647 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-10-17 10:55:29,648 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat
[2022-10-17 10:55:29,651 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-10-17 10:55:29,692 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2022-10-17 10:55:29,857 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-17 10:55:29,861 INFO  L263         TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-10-17 10:55:29,869 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-10-17 10:55:29,931 INFO  L390             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 7
[2022-10-17 10:55:29,958 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-17 10:55:29,958 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-10-17 10:55:29,959 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-10-17 10:55:29,961 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1009111047]
[2022-10-17 10:55:29,962 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1009111047] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-17 10:55:29,962 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-17 10:55:29,963 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-17 10:55:29,965 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795311800]
[2022-10-17 10:55:29,966 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-17 10:55:29,971 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-17 10:55:29,972 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-10-17 10:55:30,006 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-17 10:55:30,007 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-17 10:55:30,011 INFO  L87              Difference]: Start difference. First operand  has 1083 states, 534 states have (on average 2.2284644194756553) internal successors, (1190), 1065 states have internal predecessors, (1190), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand  has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-17 10:55:32,278 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-17 10:55:32,278 INFO  L93              Difference]: Finished difference Result 1162 states and 1229 transitions.
[2022-10-17 10:55:32,279 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-17 10:55:32,280 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3
[2022-10-17 10:55:32,281 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-17 10:55:32,306 INFO  L225             Difference]: With dead ends: 1162
[2022-10-17 10:55:32,306 INFO  L226             Difference]: Without dead ends: 1160
[2022-10-17 10:55:32,308 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-17 10:55:32,311 INFO  L413           NwaCegarLoop]: 798 mSDtfsCounter, 714 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 717 SdHoareTripleChecker+Valid, 1044 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2022-10-17 10:55:32,312 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [717 Valid, 1044 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2022-10-17 10:55:32,340 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1160 states.
[2022-10-17 10:55:32,429 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1103.
[2022-10-17 10:55:32,433 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1103 states, 568 states have (on average 2.084507042253521) internal successors, (1184), 1086 states have internal predecessors, (1184), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2022-10-17 10:55:32,444 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 1103 states and 1210 transitions.
[2022-10-17 10:55:32,447 INFO  L78                 Accepts]: Start accepts. Automaton has 1103 states and 1210 transitions. Word has length 3
[2022-10-17 10:55:32,448 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-10-17 10:55:32,448 INFO  L495      AbstractCegarLoop]: Abstraction has 1103 states and 1210 transitions.
[2022-10-17 10:55:32,449 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-17 10:55:32,449 INFO  L276                IsEmpty]: Start isEmpty. Operand 1103 states and 1210 transitions.
[2022-10-17 10:55:32,449 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2022-10-17 10:55:32,449 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-17 10:55:32,450 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1]
[2022-10-17 10:55:32,465 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2022-10-17 10:55:32,663 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3
[2022-10-17 10:55:32,663 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_freeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 528 more)] ===
[2022-10-17 10:55:32,664 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-17 10:55:32,664 INFO  L85        PathProgramCache]: Analyzing trace with hash 77522, now seen corresponding path program 1 times
[2022-10-17 10:55:32,664 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-10-17 10:55:32,665 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [730512681]
[2022-10-17 10:55:32,665 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-17 10:55:32,665 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-10-17 10:55:32,665 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat
[2022-10-17 10:55:32,666 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-10-17 10:55:32,674 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2022-10-17 10:55:32,799 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-17 10:55:32,801 INFO  L263         TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core
[2022-10-17 10:55:32,804 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-10-17 10:55:32,818 INFO  L390             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
[2022-10-17 10:55:32,830 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-17 10:55:32,830 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-10-17 10:55:32,830 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-10-17 10:55:32,830 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [730512681]
[2022-10-17 10:55:32,831 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleMathsat [730512681] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-17 10:55:32,831 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-17 10:55:32,831 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-17 10:55:32,835 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197687244]
[2022-10-17 10:55:32,836 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-17 10:55:32,840 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-10-17 10:55:32,840 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-10-17 10:55:32,841 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-10-17 10:55:32,841 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-17 10:55:32,841 INFO  L87              Difference]: Start difference. First operand 1103 states and 1210 transitions. Second operand  has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-17 10:55:36,250 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-17 10:55:36,250 INFO  L93              Difference]: Finished difference Result 1497 states and 1638 transitions.
[2022-10-17 10:55:36,251 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2022-10-17 10:55:36,251 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3
[2022-10-17 10:55:36,251 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-17 10:55:36,260 INFO  L225             Difference]: With dead ends: 1497
[2022-10-17 10:55:36,260 INFO  L226             Difference]: Without dead ends: 1497
[2022-10-17 10:55:36,261 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-10-17 10:55:36,262 INFO  L413           NwaCegarLoop]: 943 mSDtfsCounter, 418 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 1538 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time
[2022-10-17 10:55:36,263 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 1538 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 715 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time]
[2022-10-17 10:55:36,267 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1497 states.
[2022-10-17 10:55:36,299 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1497 to 1307.
[2022-10-17 10:55:36,302 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1307 states, 771 states have (on average 2.0700389105058368) internal successors, (1596), 1288 states have internal predecessors, (1596), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2022-10-17 10:55:36,311 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 1307 states and 1626 transitions.
[2022-10-17 10:55:36,311 INFO  L78                 Accepts]: Start accepts. Automaton has 1307 states and 1626 transitions. Word has length 3
[2022-10-17 10:55:36,311 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-10-17 10:55:36,311 INFO  L495      AbstractCegarLoop]: Abstraction has 1307 states and 1626 transitions.
[2022-10-17 10:55:36,312 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-17 10:55:36,312 INFO  L276                IsEmpty]: Start isEmpty. Operand 1307 states and 1626 transitions.
[2022-10-17 10:55:36,312 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2022-10-17 10:55:36,313 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-17 10:55:36,313 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-17 10:55:36,328 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2022-10-17 10:55:36,524 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3
[2022-10-17 10:55:36,524 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_freeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 528 more)] ===
[2022-10-17 10:55:36,525 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-17 10:55:36,525 INFO  L85        PathProgramCache]: Analyzing trace with hash -1111693489, now seen corresponding path program 1 times
[2022-10-17 10:55:36,526 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-10-17 10:55:36,526 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1444714334]
[2022-10-17 10:55:36,526 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-17 10:55:36,526 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-10-17 10:55:36,527 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat
[2022-10-17 10:55:36,530 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-10-17 10:55:36,543 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2022-10-17 10:55:36,699 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-17 10:55:36,705 INFO  L263         TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 8 conjunts are in the unsatisfiable core
[2022-10-17 10:55:36,708 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-10-17 10:55:36,725 INFO  L390             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 7
[2022-10-17 10:55:36,732 INFO  L390             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
[2022-10-17 10:55:36,830 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-10-17 10:55:36,833 INFO  L390             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 0 case distinctions, treesize of input 12 treesize of output 14
[2022-10-17 10:55:36,856 INFO  L356             Elim1Store]: treesize reduction 6, result has 40.0 percent of original size
[2022-10-17 10:55:36,857 INFO  L390             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13
[2022-10-17 10:55:36,892 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-17 10:55:36,892 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-10-17 10:55:36,892 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-10-17 10:55:36,893 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1444714334]
[2022-10-17 10:55:36,893 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1444714334] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-17 10:55:36,894 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-17 10:55:36,894 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-17 10:55:36,894 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480180812]
[2022-10-17 10:55:36,894 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-17 10:55:36,895 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-10-17 10:55:36,895 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-10-17 10:55:36,896 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-10-17 10:55:36,896 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-10-17 10:55:36,896 INFO  L87              Difference]: Start difference. First operand 1307 states and 1626 transitions. Second operand  has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-17 10:55:42,881 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-10-17 10:55:42,881 INFO  L93              Difference]: Finished difference Result 1997 states and 2371 transitions.
[2022-10-17 10:55:42,882 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-10-17 10:55:42,882 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2022-10-17 10:55:42,882 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-10-17 10:55:42,896 INFO  L225             Difference]: With dead ends: 1997
[2022-10-17 10:55:42,896 INFO  L226             Difference]: Without dead ends: 1997
[2022-10-17 10:55:42,896 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2022-10-17 10:55:42,898 INFO  L413           NwaCegarLoop]: 655 mSDtfsCounter, 719 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 1797 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 1587 SdHoareTripleChecker+Invalid, 1812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time
[2022-10-17 10:55:42,899 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 1587 Invalid, 1812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1797 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time]
[2022-10-17 10:55:42,904 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1997 states.
[2022-10-17 10:55:42,939 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1997 to 1452.
[2022-10-17 10:55:42,943 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1452 states, 916 states have (on average 2.0513100436681224) internal successors, (1879), 1433 states have internal predecessors, (1879), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15)
[2022-10-17 10:55:42,952 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 1909 transitions.
[2022-10-17 10:55:42,953 INFO  L78                 Accepts]: Start accepts. Automaton has 1452 states and 1909 transitions. Word has length 8
[2022-10-17 10:55:42,953 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-10-17 10:55:42,953 INFO  L495      AbstractCegarLoop]: Abstraction has 1452 states and 1909 transitions.
[2022-10-17 10:55:42,954 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-10-17 10:55:42,954 INFO  L276                IsEmpty]: Start isEmpty. Operand 1452 states and 1909 transitions.
[2022-10-17 10:55:42,954 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2022-10-17 10:55:42,955 INFO  L187           NwaCegarLoop]: Found error trace
[2022-10-17 10:55:42,955 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-10-17 10:55:42,974 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2022-10-17 10:55:43,169 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3
[2022-10-17 10:55:43,170 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [alt_mallocErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_mallocErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, alt_freeErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 528 more)] ===
[2022-10-17 10:55:43,175 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-17 10:55:43,175 INFO  L85        PathProgramCache]: Analyzing trace with hash -102759776, now seen corresponding path program 1 times
[2022-10-17 10:55:43,176 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-10-17 10:55:43,176 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2000047789]
[2022-10-17 10:55:43,176 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-17 10:55:43,178 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-10-17 10:55:43,178 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat
[2022-10-17 10:55:43,179 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-10-17 10:55:43,220 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72839128-7648-4b2f-93cc-975b323d8a2e/bin/uautomizer-J5u9QxTXDZ/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2022-10-17 10:55:43,338 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-17 10:55:43,342 INFO  L263         TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core
[2022-10-17 10:55:43,346 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-10-17 10:55:43,356 INFO  L390             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 7
[2022-10-17 10:55:43,386 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-17 10:55:43,387 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-10-17 10:55:43,387 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-10-17 10:55:43,387 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2000047789]
[2022-10-17 10:55:43,387 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2000047789] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-17 10:55:43,388 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-17 10:55:43,388 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-10-17 10:55:43,388 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177071076]
[2022-10-17 10:55:43,388 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-17 10:55:43,389 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-10-17 10:55:43,393 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-10-17 10:55:43,393 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-10-17 10:55:43,394 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-10-17 10:55:43,395 INFO  L87              Difference]: Start difference. First operand 1452 states and 1909 transitions. Second operand  has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)