./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for memory safety (memcleanup)
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9e43379b3f2624d77eec1084820c7c07499f5ec4432514ab066d4f5cf96eeebc
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 17:16:15,174 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 17:16:15,273 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/config/svcomp-MemCleanup-32bit-Automizer_Default.epf
[2024-11-08 17:16:15,280 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 17:16:15,280 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 17:16:15,319 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 17:16:15,320 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 17:16:15,321 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 17:16:15,322 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 17:16:15,323 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 17:16:15,323 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 17:16:15,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 17:16:15,325 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 17:16:15,325 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 17:16:15,327 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 17:16:15,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 17:16:15,328 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 17:16:15,329 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 17:16:15,329 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 17:16:15,329 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 17:16:15,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 17:16:15,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 17:16:15,335 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2024-11-08 17:16:15,335 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2024-11-08 17:16:15,335 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 17:16:15,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 17:16:15,336 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-08 17:16:15,336 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 17:16:15,336 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 17:16:15,336 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 17:16:15,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 17:16:15,337 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 17:16:15,337 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 17:16:15,338 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 17:16:15,339 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 17:16:15,340 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 17:16:15,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:16:15,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 17:16:15,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 17:16:15,341 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 17:16:15,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 17:16:15,343 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 17:16:15,343 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 17:16:15,343 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 17:16:15,343 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 17:16:15,344 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e43379b3f2624d77eec1084820c7c07499f5ec4432514ab066d4f5cf96eeebc
[2024-11-08 17:16:15,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 17:16:15,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 17:16:15,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 17:16:15,661 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 17:16:15,662 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 17:16:15,664 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i
Unable to find full path for "g++"
[2024-11-08 17:16:17,713 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 17:16:18,054 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 17:16:18,054 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i
[2024-11-08 17:16:18,083 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/data/c60766ed0/c74fd48b3a4c4091aeb68fd8a6a75dfb/FLAG39fa23473
[2024-11-08 17:16:18,294 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/data/c60766ed0/c74fd48b3a4c4091aeb68fd8a6a75dfb
[2024-11-08 17:16:18,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 17:16:18,298 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 17:16:18,300 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 17:16:18,300 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 17:16:18,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 17:16:18,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:16:18" (1/1) ...
[2024-11-08 17:16:18,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@159b3399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:18, skipping insertion in model container
[2024-11-08 17:16:18,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:16:18" (1/1) ...
[2024-11-08 17:16:18,372 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 17:16:18,937 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:18,990 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:18,994 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:18,998 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:19,012 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:19,082 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:19,101 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:19,104 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:19,105 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:19,110 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:19,112 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:19,113 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:19,114 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:19,118 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:19,120 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:19,122 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:19,123 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:19,125 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:19,126 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:19,130 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:19,139 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:16:19,151 ERROR L321 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)
[2024-11-08 17:16:19,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@13b9882a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:19, skipping insertion in model container
[2024-11-08 17:16:19,152 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 17:16:19,153 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner
[2024-11-08 17:16:19,155 INFO L158 Benchmark]: Toolchain (without parser) took 855.81ms. Allocated memory was 119.5MB in the beginning and 167.8MB in the end (delta: 48.2MB). Free memory was 77.4MB in the beginning and 133.8MB in the end (delta: -56.4MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB.
[2024-11-08 17:16:19,156 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 119.5MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:16:19,157 INFO L158 Benchmark]: CACSL2BoogieTranslator took 853.17ms. Allocated memory was 119.5MB in the beginning and 167.8MB in the end (delta: 48.2MB). Free memory was 77.1MB in the beginning and 133.8MB in the end (delta: -56.7MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB.
[2024-11-08 17:16:19,158 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.30ms. Allocated memory is still 119.5MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 853.17ms. Allocated memory was 119.5MB in the beginning and 167.8MB in the end (delta: 48.2MB). Free memory was 77.1MB in the beginning and 133.8MB in the end (delta: -56.7MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- UnsupportedSyntaxResult [Line: 727]: 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9e43379b3f2624d77eec1084820c7c07499f5ec4432514ab066d4f5cf96eeebc
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 17:16:21,346 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 17:16:21,453 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf
[2024-11-08 17:16:21,462 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 17:16:21,463 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 17:16:21,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 17:16:21,505 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 17:16:21,505 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 17:16:21,506 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 17:16:21,508 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 17:16:21,508 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 17:16:21,508 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 17:16:21,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 17:16:21,510 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 17:16:21,512 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 17:16:21,512 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 17:16:21,512 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 17:16:21,513 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 17:16:21,513 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 17:16:21,513 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 17:16:21,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 17:16:21,517 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 17:16:21,518 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2024-11-08 17:16:21,518 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2024-11-08 17:16:21,518 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 17:16:21,518 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 17:16:21,519 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-08 17:16:21,519 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-08 17:16:21,519 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 17:16:21,519 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-08 17:16:21,519 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 17:16:21,520 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 17:16:21,520 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 17:16:21,520 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 17:16:21,520 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 17:16:21,521 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 17:16:21,523 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 17:16:21,524 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 17:16:21,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:16:21,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 17:16:21,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 17:16:21,525 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-08 17:16:21,525 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-08 17:16:21,526 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 17:16:21,526 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 17:16:21,526 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 17:16:21,527 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 17:16:21,527 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e43379b3f2624d77eec1084820c7c07499f5ec4432514ab066d4f5cf96eeebc
[2024-11-08 17:16:21,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 17:16:21,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 17:16:21,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 17:16:21,938 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 17:16:21,939 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 17:16:21,940 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i
Unable to find full path for "g++"
[2024-11-08 17:16:24,040 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 17:16:24,466 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 17:16:24,467 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i
[2024-11-08 17:16:24,494 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/data/b10a70106/1e7b3b106def47ce9706e18947edb5d7/FLAG1e176183c
[2024-11-08 17:16:24,638 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/data/b10a70106/1e7b3b106def47ce9706e18947edb5d7
[2024-11-08 17:16:24,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 17:16:24,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 17:16:24,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 17:16:24,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 17:16:24,653 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 17:16:24,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:16:24" (1/1) ...
[2024-11-08 17:16:24,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56fd11e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:24, skipping insertion in model container
[2024-11-08 17:16:24,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:16:24" (1/1) ...
[2024-11-08 17:16:24,747 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 17:16:25,361 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,416 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,424 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,430 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,447 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,511 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,515 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,519 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,523 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,531 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,556 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,557 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,563 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,572 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,573 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,583 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,584 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,592 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,593 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,608 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,622 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:16:25,645 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2024-11-08 17:16:25,660 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 17:16:25,698 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,722 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,724 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,730 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,739 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,780 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,781 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,787 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,788 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,790 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,795 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,796 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,797 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,804 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,806 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,808 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,810 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,813 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,815 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,819 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 17:16:25,823 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:16:25,830 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 17:16:25,946 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:16:26,025 INFO L204 MainTranslator]: Completed translation
[2024-11-08 17:16:26,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:26 WrapperNode
[2024-11-08 17:16:26,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 17:16:26,028 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 17:16:26,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 17:16:26,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 17:16:26,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:26" (1/1) ...
[2024-11-08 17:16:26,074 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:26" (1/1) ...
[2024-11-08 17:16:26,166 INFO L138 Inliner]: procedures = 179, calls = 323, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1136
[2024-11-08 17:16:26,167 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 17:16:26,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 17:16:26,167 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 17:16:26,168 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 17:16:26,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:26" (1/1) ...
[2024-11-08 17:16:26,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:26" (1/1) ...
[2024-11-08 17:16:26,205 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:26" (1/1) ...
[2024-11-08 17:16:26,345 INFO L175 MemorySlicer]: Split 301 memory accesses to 3 slices as follows [2, 265, 34]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 58, 4].
[2024-11-08 17:16:26,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:26" (1/1) ...
[2024-11-08 17:16:26,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:26" (1/1) ...
[2024-11-08 17:16:26,412 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:26" (1/1) ...
[2024-11-08 17:16:26,428 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:26" (1/1) ...
[2024-11-08 17:16:26,438 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:26" (1/1) ...
[2024-11-08 17:16:26,447 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:26" (1/1) ...
[2024-11-08 17:16:26,466 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 17:16:26,468 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 17:16:26,468 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 17:16:26,468 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 17:16:26,469 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:26" (1/1) ...
[2024-11-08 17:16:26,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:16:26,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:16:26,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 17:16:26,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 17:16:26,569 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2024-11-08 17:16:26,570 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2024-11-08 17:16:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0
[2024-11-08 17:16:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1
[2024-11-08 17:16:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2
[2024-11-08 17:16:26,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-08 17:16:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-08 17:16:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-11-08 17:16:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0
[2024-11-08 17:16:26,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1
[2024-11-08 17:16:26,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2
[2024-11-08 17:16:26,573 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0
[2024-11-08 17:16:26,573 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1
[2024-11-08 17:16:26,573 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2
[2024-11-08 17:16:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-08 17:16:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 17:16:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-11-08 17:16:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-11-08 17:16:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2
[2024-11-08 17:16:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-08 17:16:26,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-11-08 17:16:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-11-08 17:16:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-11-08 17:16:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-08 17:16:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-11-08 17:16:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-11-08 17:16:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2
[2024-11-08 17:16:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-08 17:16:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-08 17:16:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-11-08 17:16:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 17:16:26,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 17:16:26,873 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 17:16:26,874 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 17:16:35,054 INFO L? ?]: Removed 145 outVars from TransFormulas that were not future-live.
[2024-11-08 17:16:35,054 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 17:16:35,081 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 17:16:35,082 INFO L316 CfgBuilder]: Removed 66 assume(true) statements.
[2024-11-08 17:16:35,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:16:35 BoogieIcfgContainer
[2024-11-08 17:16:35,082 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 17:16:35,086 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 17:16:35,087 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 17:16:35,091 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 17:16:35,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:16:24" (1/3) ...
[2024-11-08 17:16:35,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ecd4e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:16:35, skipping insertion in model container
[2024-11-08 17:16:35,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:26" (2/3) ...
[2024-11-08 17:16:35,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ecd4e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:16:35, skipping insertion in model container
[2024-11-08 17:16:35,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:16:35" (3/3) ...
[2024-11-08 17:16:35,096 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test7-2.i
[2024-11-08 17:16:35,116 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 17:16:35,116 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-08 17:16:35,184 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 17:16:35,192 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@64929722, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 17:16:35,193 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-08 17:16:35,199 INFO L276 IsEmpty]: Start isEmpty. Operand has 233 states, 223 states have (on average 1.6502242152466369) internal successors, (368), 226 states have internal predecessors, (368), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-11-08 17:16:35,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-08 17:16:35,210 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:16:35,211 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:16:35,211 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:16:35,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:16:35,220 INFO L85 PathProgramCache]: Analyzing trace with hash 2044109743, now seen corresponding path program 1 times
[2024-11-08 17:16:35,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:16:35,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1905523283]
[2024-11-08 17:16:35,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:16:35,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:16:35,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:16:35,250 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:16:35,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 17:16:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:35,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-08 17:16:35,499 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:16:35,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:16:35,509 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:16:35,510 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:16:35,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905523283]
[2024-11-08 17:16:35,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905523283] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:16:35,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:16:35,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 17:16:35,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579556804]
[2024-11-08 17:16:35,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:16:35,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-08 17:16:35,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:16:35,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-08 17:16:35,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 17:16:35,560 INFO L87 Difference]: Start difference. First operand has 233 states, 223 states have (on average 1.6502242152466369) internal successors, (368), 226 states have internal predecessors, (368), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:16:35,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:16:35,609 INFO L93 Difference]: Finished difference Result 230 states and 302 transitions.
[2024-11-08 17:16:35,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-08 17:16:35,611 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2024-11-08 17:16:35,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:16:35,624 INFO L225 Difference]: With dead ends: 230
[2024-11-08 17:16:35,625 INFO L226 Difference]: Without dead ends: 228
[2024-11-08 17:16:35,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 17:16:35,631 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:16:35,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:16:35,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states.
[2024-11-08 17:16:35,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228.
[2024-11-08 17:16:35,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 220 states have (on average 1.3272727272727274) internal successors, (292), 222 states have internal predecessors, (292), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-08 17:16:35,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 300 transitions.
[2024-11-08 17:16:35,699 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 300 transitions. Word has length 11
[2024-11-08 17:16:35,699 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:16:35,699 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 300 transitions.
[2024-11-08 17:16:35,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:16:35,700 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 300 transitions.
[2024-11-08 17:16:35,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-08 17:16:35,701 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:16:35,703 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:16:35,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-08 17:16:35,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:16:35,904 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:16:35,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:16:35,905 INFO L85 PathProgramCache]: Analyzing trace with hash 287706943, now seen corresponding path program 1 times
[2024-11-08 17:16:35,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:16:35,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [269829939]
[2024-11-08 17:16:35,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:16:35,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:16:35,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:16:35,908 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:16:35,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-08 17:16:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:36,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 17:16:36,139 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:16:36,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:16:36,304 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:16:36,305 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:16:36,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269829939]
[2024-11-08 17:16:36,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269829939] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:16:36,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:16:36,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:16:36,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069323]
[2024-11-08 17:16:36,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:16:36,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:16:36,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:16:36,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:16:36,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:16:36,309 INFO L87 Difference]: Start difference. First operand 228 states and 300 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:16:40,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-08 17:16:43,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-08 17:16:44,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:16:44,138 INFO L93 Difference]: Finished difference Result 377 states and 496 transitions.
[2024-11-08 17:16:44,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:16:44,141 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13
[2024-11-08 17:16:44,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:16:44,145 INFO L225 Difference]: With dead ends: 377
[2024-11-08 17:16:44,145 INFO L226 Difference]: Without dead ends: 377
[2024-11-08 17:16:44,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:16:44,148 INFO L432 NwaCegarLoop]: 308 mSDtfsCounter, 187 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time
[2024-11-08 17:16:44,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 841 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 117 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time]
[2024-11-08 17:16:44,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states.
[2024-11-08 17:16:44,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 344.
[2024-11-08 17:16:44,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 336 states have (on average 1.3244047619047619) internal successors, (445), 338 states have internal predecessors, (445), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-08 17:16:44,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 453 transitions.
[2024-11-08 17:16:44,172 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 453 transitions. Word has length 13
[2024-11-08 17:16:44,172 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:16:44,173 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 453 transitions.
[2024-11-08 17:16:44,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:16:44,173 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 453 transitions.
[2024-11-08 17:16:44,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2024-11-08 17:16:44,174 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:16:44,174 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:16:44,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-08 17:16:44,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:16:44,377 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:16:44,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:16:44,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1080305170, now seen corresponding path program 1 times
[2024-11-08 17:16:44,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:16:44,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1195345350]
[2024-11-08 17:16:44,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:16:44,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:16:44,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:16:44,382 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:16:44,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-08 17:16:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:44,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-08 17:16:44,602 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:16:44,653 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-11-08 17:16:44,656 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-11-08 17:16:44,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 33 treesize of output 31
[2024-11-08 17:16:44,762 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-08 17:16:44,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 22
[2024-11-08 17:16:44,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:16:44,814 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:16:44,814 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:16:44,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195345350]
[2024-11-08 17:16:44,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195345350] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:16:44,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:16:44,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:16:44,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578162636]
[2024-11-08 17:16:44,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:16:44,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:16:44,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:16:44,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:16:44,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:16:44,817 INFO L87 Difference]: Start difference. First operand 344 states and 453 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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)
[2024-11-08 17:16:45,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:16:45,670 INFO L93 Difference]: Finished difference Result 542 states and 718 transitions.
[2024-11-08 17:16:45,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:16:45,671 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 15
[2024-11-08 17:16:45,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:16:45,674 INFO L225 Difference]: With dead ends: 542
[2024-11-08 17:16:45,674 INFO L226 Difference]: Without dead ends: 542
[2024-11-08 17:16:45,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:16:45,675 INFO L432 NwaCegarLoop]: 309 mSDtfsCounter, 275 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-08 17:16:45,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 890 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-08 17:16:45,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states.
[2024-11-08 17:16:45,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 343.
[2024-11-08 17:16:45,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 335 states have (on average 1.3223880597014925) internal successors, (443), 337 states have internal predecessors, (443), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-08 17:16:45,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 451 transitions.
[2024-11-08 17:16:45,723 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 451 transitions. Word has length 15
[2024-11-08 17:16:45,723 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:16:45,724 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 451 transitions.
[2024-11-08 17:16:45,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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)
[2024-11-08 17:16:45,724 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 451 transitions.
[2024-11-08 17:16:45,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85
[2024-11-08 17:16:45,726 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:16:45,727 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:16:45,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-08 17:16:45,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:16:45,928 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:16:45,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:16:45,929 INFO L85 PathProgramCache]: Analyzing trace with hash 592373189, now seen corresponding path program 1 times
[2024-11-08 17:16:45,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:16:45,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [243899230]
[2024-11-08 17:16:45,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:16:45,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:16:45,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:16:45,937 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:16:45,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-08 17:16:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:46,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-08 17:16:46,514 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:16:46,558 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-08 17:16:46,558 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:16:46,559 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:16:46,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243899230]
[2024-11-08 17:16:46,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243899230] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:16:46,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:16:46,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 17:16:46,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790585030]
[2024-11-08 17:16:46,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:16:46,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 17:16:46,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:16:46,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 17:16:46,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:16:46,562 INFO L87 Difference]: Start difference. First operand 343 states and 451 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:16:46,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:16:46,780 INFO L93 Difference]: Finished difference Result 383 states and 491 transitions.
[2024-11-08 17:16:46,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 17:16:46,781 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 84
[2024-11-08 17:16:46,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:16:46,782 INFO L225 Difference]: With dead ends: 383
[2024-11-08 17:16:46,783 INFO L226 Difference]: Without dead ends: 383
[2024-11-08 17:16:46,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:16:46,784 INFO L432 NwaCegarLoop]: 280 mSDtfsCounter, 8 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-08 17:16:46,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 545 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-08 17:16:46,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states.
[2024-11-08 17:16:46,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383.
[2024-11-08 17:16:46,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 375 states have (on average 1.288) internal successors, (483), 377 states have internal predecessors, (483), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-08 17:16:46,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 491 transitions.
[2024-11-08 17:16:46,799 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 491 transitions. Word has length 84
[2024-11-08 17:16:46,799 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:16:46,800 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 491 transitions.
[2024-11-08 17:16:46,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:16:46,800 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 491 transitions.
[2024-11-08 17:16:46,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85
[2024-11-08 17:16:46,803 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:16:46,803 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:16:46,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-08 17:16:47,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:16:47,004 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:16:47,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:16:47,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1808526915, now seen corresponding path program 1 times
[2024-11-08 17:16:47,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:16:47,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1440120591]
[2024-11-08 17:16:47,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:16:47,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:16:47,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:16:47,011 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:16:47,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-08 17:16:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:47,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-08 17:16:47,534 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:16:47,584 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-08 17:16:47,584 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:16:47,584 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:16:47,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440120591]
[2024-11-08 17:16:47,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440120591] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:16:47,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:16:47,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:16:47,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056809224]
[2024-11-08 17:16:47,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:16:47,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:16:47,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:16:47,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:16:47,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:16:47,588 INFO L87 Difference]: Start difference. First operand 383 states and 491 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:16:47,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:16:47,783 INFO L93 Difference]: Finished difference Result 347 states and 431 transitions.
[2024-11-08 17:16:47,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 17:16:47,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 84
[2024-11-08 17:16:47,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:16:47,785 INFO L225 Difference]: With dead ends: 347
[2024-11-08 17:16:47,785 INFO L226 Difference]: Without dead ends: 347
[2024-11-08 17:16:47,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:16:47,786 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 32 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-08 17:16:47,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 781 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-08 17:16:47,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states.
[2024-11-08 17:16:47,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347.
[2024-11-08 17:16:47,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 339 states have (on average 1.247787610619469) internal successors, (423), 341 states have internal predecessors, (423), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-08 17:16:47,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 431 transitions.
[2024-11-08 17:16:47,798 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 431 transitions. Word has length 84
[2024-11-08 17:16:47,799 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:16:47,799 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 431 transitions.
[2024-11-08 17:16:47,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:16:47,799 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 431 transitions.
[2024-11-08 17:16:47,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85
[2024-11-08 17:16:47,802 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:16:47,802 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:16:47,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-11-08 17:16:48,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:16:48,003 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:16:48,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:16:48,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1374319313, now seen corresponding path program 1 times
[2024-11-08 17:16:48,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:16:48,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1459264138]
[2024-11-08 17:16:48,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:16:48,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:16:48,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:16:48,006 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:16:48,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-08 17:16:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:48,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-08 17:16:48,542 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:16:48,587 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-08 17:16:48,588 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:16:48,588 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:16:48,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459264138]
[2024-11-08 17:16:48,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459264138] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:16:48,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:16:48,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:16:48,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285734782]
[2024-11-08 17:16:48,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:16:48,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:16:48,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:16:48,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:16:48,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:16:48,591 INFO L87 Difference]: Start difference. First operand 347 states and 431 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:16:48,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:16:48,647 INFO L93 Difference]: Finished difference Result 350 states and 435 transitions.
[2024-11-08 17:16:48,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:16:48,648 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 84
[2024-11-08 17:16:48,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:16:48,651 INFO L225 Difference]: With dead ends: 350
[2024-11-08 17:16:48,651 INFO L226 Difference]: Without dead ends: 350
[2024-11-08 17:16:48,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:16:48,653 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 0 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:16:48,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 848 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:16:48,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states.
[2024-11-08 17:16:48,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350.
[2024-11-08 17:16:48,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 341 states have (on average 1.249266862170088) internal successors, (426), 344 states have internal predecessors, (426), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4)
[2024-11-08 17:16:48,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 435 transitions.
[2024-11-08 17:16:48,663 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 435 transitions. Word has length 84
[2024-11-08 17:16:48,663 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:16:48,663 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 435 transitions.
[2024-11-08 17:16:48,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:16:48,664 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 435 transitions.
[2024-11-08 17:16:48,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87
[2024-11-08 17:16:48,666 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:16:48,666 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:16:48,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2024-11-08 17:16:48,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:16:48,870 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:16:48,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:16:48,871 INFO L85 PathProgramCache]: Analyzing trace with hash 15466127, now seen corresponding path program 1 times
[2024-11-08 17:16:48,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:16:48,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [831743130]
[2024-11-08 17:16:48,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:16:48,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:16:48,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:16:48,873 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:16:48,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-08 17:16:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:49,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-08 17:16:49,433 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:16:49,450 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-11-08 17:16:49,451 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-11-08 17:16:49,452 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-11-08 17:16:49,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 30 treesize of output 39
[2024-11-08 17:16:49,533 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-08 17:16:49,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26
[2024-11-08 17:16:49,557 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-11-08 17:16:49,557 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:16:49,558 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:16:49,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831743130]
[2024-11-08 17:16:49,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831743130] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:16:49,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:16:49,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:16:49,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969218941]
[2024-11-08 17:16:49,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:16:49,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:16:49,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:16:49,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:16:49,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:16:49,560 INFO L87 Difference]: Start difference. First operand 350 states and 435 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:16:50,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:16:50,210 INFO L93 Difference]: Finished difference Result 513 states and 652 transitions.
[2024-11-08 17:16:50,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:16:50,211 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 86
[2024-11-08 17:16:50,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:16:50,213 INFO L225 Difference]: With dead ends: 513
[2024-11-08 17:16:50,213 INFO L226 Difference]: Without dead ends: 513
[2024-11-08 17:16:50,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:16:50,215 INFO L432 NwaCegarLoop]: 297 mSDtfsCounter, 213 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-08 17:16:50,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 854 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-08 17:16:50,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states.
[2024-11-08 17:16:50,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 352.
[2024-11-08 17:16:50,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 343 states have (on average 1.2478134110787171) internal successors, (428), 346 states have internal predecessors, (428), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4)
[2024-11-08 17:16:50,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 437 transitions.
[2024-11-08 17:16:50,226 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 437 transitions. Word has length 86
[2024-11-08 17:16:50,227 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:16:50,227 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 437 transitions.
[2024-11-08 17:16:50,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:16:50,227 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 437 transitions.
[2024-11-08 17:16:50,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122
[2024-11-08 17:16:50,229 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:16:50,229 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:16:50,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-11-08 17:16:50,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:16:50,431 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:16:50,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:16:50,431 INFO L85 PathProgramCache]: Analyzing trace with hash -76918691, now seen corresponding path program 1 times
[2024-11-08 17:16:50,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:16:50,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1218196349]
[2024-11-08 17:16:50,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:16:50,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:16:50,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:16:50,434 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:16:50,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-11-08 17:16:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:51,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-08 17:16:51,015 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:16:51,136 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-11-08 17:16:51,137 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:16:51,137 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:16:51,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218196349]
[2024-11-08 17:16:51,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218196349] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:16:51,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:16:51,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:16:51,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322649067]
[2024-11-08 17:16:51,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:16:51,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:16:51,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:16:51,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:16:51,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:16:51,140 INFO L87 Difference]: Start difference. First operand 352 states and 437 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:16:51,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:16:51,353 INFO L93 Difference]: Finished difference Result 370 states and 443 transitions.
[2024-11-08 17:16:51,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 17:16:51,353 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 121
[2024-11-08 17:16:51,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:16:51,355 INFO L225 Difference]: With dead ends: 370
[2024-11-08 17:16:51,356 INFO L226 Difference]: Without dead ends: 370
[2024-11-08 17:16:51,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:16:51,357 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 22 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-08 17:16:51,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 745 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-08 17:16:51,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states.
[2024-11-08 17:16:51,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 368.
[2024-11-08 17:16:51,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 359 states have (on average 1.2033426183844012) internal successors, (432), 362 states have internal predecessors, (432), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4)
[2024-11-08 17:16:51,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 441 transitions.
[2024-11-08 17:16:51,367 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 441 transitions. Word has length 121
[2024-11-08 17:16:51,367 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:16:51,367 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 441 transitions.
[2024-11-08 17:16:51,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:16:51,368 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 441 transitions.
[2024-11-08 17:16:51,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122
[2024-11-08 17:16:51,369 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:16:51,370 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:16:51,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-11-08 17:16:51,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:16:51,570 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:16:51,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:16:51,571 INFO L85 PathProgramCache]: Analyzing trace with hash -295773409, now seen corresponding path program 1 times
[2024-11-08 17:16:51,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:16:51,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [979864510]
[2024-11-08 17:16:51,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:16:51,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:16:51,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:16:51,574 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:16:51,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-11-08 17:16:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:16:52,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-08 17:16:52,136 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:16:52,711 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-11-08 17:16:52,712 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:16:52,712 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:16:52,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979864510]
[2024-11-08 17:16:52,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979864510] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:16:52,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:16:52,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:16:52,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095981211]
[2024-11-08 17:16:52,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:16:52,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:16:52,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:16:52,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:16:52,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:16:52,715 INFO L87 Difference]: Start difference. First operand 368 states and 441 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:16:57,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-08 17:17:01,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-08 17:17:03,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:17:03,126 INFO L93 Difference]: Finished difference Result 467 states and 563 transitions.
[2024-11-08 17:17:03,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:17:03,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 121
[2024-11-08 17:17:03,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:17:03,132 INFO L225 Difference]: With dead ends: 467
[2024-11-08 17:17:03,133 INFO L226 Difference]: Without dead ends: 467
[2024-11-08 17:17:03,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:17:03,133 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 419 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time
[2024-11-08 17:17:03,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 508 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 99 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time]
[2024-11-08 17:17:03,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states.
[2024-11-08 17:17:03,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 464.
[2024-11-08 17:17:03,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 455 states have (on average 1.210989010989011) internal successors, (551), 458 states have internal predecessors, (551), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4)
[2024-11-08 17:17:03,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 560 transitions.
[2024-11-08 17:17:03,145 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 560 transitions. Word has length 121
[2024-11-08 17:17:03,145 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:17:03,145 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 560 transitions.
[2024-11-08 17:17:03,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:17:03,146 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 560 transitions.
[2024-11-08 17:17:03,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2024-11-08 17:17:03,147 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:17:03,147 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:17:03,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2024-11-08 17:17:03,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:17:03,348 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:17:03,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:17:03,348 INFO L85 PathProgramCache]: Analyzing trace with hash 188804832, now seen corresponding path program 1 times
[2024-11-08 17:17:03,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:17:03,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [753856794]
[2024-11-08 17:17:03,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:17:03,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:17:03,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:17:03,352 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:17:03,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-11-08 17:17:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:17:04,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-08 17:17:04,005 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:17:04,073 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-11-08 17:17:04,074 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:17:04,074 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:17:04,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753856794]
[2024-11-08 17:17:04,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753856794] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:17:04,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:17:04,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 17:17:04,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611426254]
[2024-11-08 17:17:04,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:17:04,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 17:17:04,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:17:04,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 17:17:04,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:17:04,077 INFO L87 Difference]: Start difference. First operand 464 states and 560 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:17:04,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:17:04,213 INFO L93 Difference]: Finished difference Result 428 states and 503 transitions.
[2024-11-08 17:17:04,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:17:04,214 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 129
[2024-11-08 17:17:04,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:17:04,216 INFO L225 Difference]: With dead ends: 428
[2024-11-08 17:17:04,216 INFO L226 Difference]: Without dead ends: 428
[2024-11-08 17:17:04,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:17:04,217 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 12 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 984 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 17:17:04,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 984 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 17:17:04,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states.
[2024-11-08 17:17:04,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 428.
[2024-11-08 17:17:04,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 419 states have (on average 1.1789976133651552) internal successors, (494), 422 states have internal predecessors, (494), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4)
[2024-11-08 17:17:04,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 503 transitions.
[2024-11-08 17:17:04,227 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 503 transitions. Word has length 129
[2024-11-08 17:17:04,228 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:17:04,228 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 503 transitions.
[2024-11-08 17:17:04,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:17:04,228 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 503 transitions.
[2024-11-08 17:17:04,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2024-11-08 17:17:04,230 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:17:04,230 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:17:04,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2024-11-08 17:17:04,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:17:04,430 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:17:04,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:17:04,431 INFO L85 PathProgramCache]: Analyzing trace with hash -32838444, now seen corresponding path program 1 times
[2024-11-08 17:17:04,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:17:04,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [793302216]
[2024-11-08 17:17:04,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:17:04,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:17:04,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:17:04,435 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:17:04,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-11-08 17:17:05,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:17:05,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-08 17:17:05,101 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:17:05,167 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-08 17:17:05,168 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 17:17:05,311 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-08 17:17:05,311 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:17:05,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793302216]
[2024-11-08 17:17:05,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793302216] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 17:17:05,312 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 17:17:05,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8
[2024-11-08 17:17:05,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222249977]
[2024-11-08 17:17:05,312 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 17:17:05,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-08 17:17:05,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:17:05,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-08 17:17:05,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-11-08 17:17:05,314 INFO L87 Difference]: Start difference. First operand 428 states and 503 transitions. Second operand has 8 states, 8 states have (on average 16.0) internal successors, (128), 8 states have internal predecessors, (128), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)
[2024-11-08 17:17:05,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:17:05,506 INFO L93 Difference]: Finished difference Result 439 states and 520 transitions.
[2024-11-08 17:17:05,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-08 17:17:05,507 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 8 states have internal predecessors, (128), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 129
[2024-11-08 17:17:05,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:17:05,509 INFO L225 Difference]: With dead ends: 439
[2024-11-08 17:17:05,509 INFO L226 Difference]: Without dead ends: 439
[2024-11-08 17:17:05,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110
[2024-11-08 17:17:05,510 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 5 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 797 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 17:17:05,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 797 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 17:17:05,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states.
[2024-11-08 17:17:05,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 437.
[2024-11-08 17:17:05,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 427 states have (on average 1.189695550351288) internal successors, (508), 430 states have internal predecessors, (508), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5)
[2024-11-08 17:17:05,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 518 transitions.
[2024-11-08 17:17:05,522 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 518 transitions. Word has length 129
[2024-11-08 17:17:05,522 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:17:05,522 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 518 transitions.
[2024-11-08 17:17:05,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 8 states have internal predecessors, (128), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)
[2024-11-08 17:17:05,523 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 518 transitions.
[2024-11-08 17:17:05,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134
[2024-11-08 17:17:05,524 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:17:05,524 INFO L215 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:17:05,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0
[2024-11-08 17:17:05,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:17:05,725 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:17:05,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:17:05,726 INFO L85 PathProgramCache]: Analyzing trace with hash -305460942, now seen corresponding path program 2 times
[2024-11-08 17:17:05,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:17:05,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1399071845]
[2024-11-08 17:17:05,728 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-08 17:17:05,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:17:05,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:17:05,730 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:17:05,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2024-11-08 17:17:06,474 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-08 17:17:06,474 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-08 17:17:06,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-08 17:17:06,492 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:17:06,596 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2024-11-08 17:17:06,596 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 17:17:06,853 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-11-08 17:17:06,853 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:17:06,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399071845]
[2024-11-08 17:17:06,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399071845] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 17:17:06,853 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 17:17:06,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10
[2024-11-08 17:17:06,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630776458]
[2024-11-08 17:17:06,854 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 17:17:06,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-08 17:17:06,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:17:06,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-08 17:17:06,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2024-11-08 17:17:06,856 INFO L87 Difference]: Start difference. First operand 437 states and 518 transitions. Second operand has 10 states, 10 states have (on average 13.4) internal successors, (134), 10 states have internal predecessors, (134), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-08 17:17:07,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:17:07,289 INFO L93 Difference]: Finished difference Result 445 states and 528 transitions.
[2024-11-08 17:17:07,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-11-08 17:17:07,290 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.4) internal successors, (134), 10 states have internal predecessors, (134), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 133
[2024-11-08 17:17:07,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:17:07,292 INFO L225 Difference]: With dead ends: 445
[2024-11-08 17:17:07,292 INFO L226 Difference]: Without dead ends: 443
[2024-11-08 17:17:07,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210
[2024-11-08 17:17:07,293 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 6 mSDsluCounter, 1061 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1329 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-08 17:17:07,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1329 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-08 17:17:07,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states.
[2024-11-08 17:17:07,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 441.
[2024-11-08 17:17:07,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 431 states have (on average 1.1925754060324827) internal successors, (514), 434 states have internal predecessors, (514), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4)
[2024-11-08 17:17:07,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 523 transitions.
[2024-11-08 17:17:07,303 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 523 transitions. Word has length 133
[2024-11-08 17:17:07,304 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:17:07,304 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 523 transitions.
[2024-11-08 17:17:07,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.4) internal successors, (134), 10 states have internal predecessors, (134), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-08 17:17:07,304 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 523 transitions.
[2024-11-08 17:17:07,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138
[2024-11-08 17:17:07,306 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:17:07,306 INFO L215 NwaCegarLoop]: trace histogram [10, 2, 2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:17:07,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0
[2024-11-08 17:17:07,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:17:07,507 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:17:07,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:17:07,507 INFO L85 PathProgramCache]: Analyzing trace with hash -505618574, now seen corresponding path program 3 times
[2024-11-08 17:17:07,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:17:07,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [792635958]
[2024-11-08 17:17:07,508 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-08 17:17:07,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:17:07,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:17:07,510 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:17:07,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2024-11-08 17:17:08,158 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-11-08 17:17:08,158 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-08 17:17:08,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-08 17:17:08,175 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:17:08,186 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-11-08 17:17:08,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 38 treesize of output 21
[2024-11-08 17:17:10,313 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-08 17:17:10,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 202 treesize of output 88
[2024-11-08 17:17:10,742 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-08 17:17:10,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 66
[2024-11-08 17:17:10,799 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked.
[2024-11-08 17:17:10,799 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 17:17:11,663 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked.
[2024-11-08 17:17:11,663 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:17:11,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792635958]
[2024-11-08 17:17:11,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792635958] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 17:17:11,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 17:17:11,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13
[2024-11-08 17:17:11,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801057084]
[2024-11-08 17:17:11,664 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 17:17:11,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-11-08 17:17:11,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:17:11,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-11-08 17:17:11,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156
[2024-11-08 17:17:11,666 INFO L87 Difference]: Start difference. First operand 441 states and 523 transitions. Second operand has 13 states, 13 states have (on average 14.461538461538462) internal successors, (188), 13 states have internal predecessors, (188), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-08 17:17:17,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:17:22,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:17:26,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:17:30,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:17:34,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:17:39,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:17:43,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:17:47,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:17:51,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:17:55,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:17:59,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:18:04,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:18:08,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:18:12,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:18:16,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:18:20,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:18:24,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:18:25,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:18:25,416 INFO L93 Difference]: Finished difference Result 1670 states and 2005 transitions.
[2024-11-08 17:18:25,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-11-08 17:18:25,417 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 14.461538461538462) internal successors, (188), 13 states have internal predecessors, (188), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 137
[2024-11-08 17:18:25,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:18:25,423 INFO L225 Difference]: With dead ends: 1670
[2024-11-08 17:18:25,424 INFO L226 Difference]: Without dead ends: 1670
[2024-11-08 17:18:25,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 258 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306
[2024-11-08 17:18:25,425 INFO L432 NwaCegarLoop]: 436 mSDtfsCounter, 2533 mSDsluCounter, 2341 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 32 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 73.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2536 SdHoareTripleChecker+Valid, 2777 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 73.2s IncrementalHoareTripleChecker+Time
[2024-11-08 17:18:25,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2536 Valid, 2777 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 182 Invalid, 17 Unknown, 0 Unchecked, 73.2s Time]
[2024-11-08 17:18:25,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states.
[2024-11-08 17:18:25,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 659.
[2024-11-08 17:18:25,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 645 states have (on average 1.1875968992248063) internal successors, (766), 648 states have internal predecessors, (766), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7)
[2024-11-08 17:18:25,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 781 transitions.
[2024-11-08 17:18:25,448 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 781 transitions. Word has length 137
[2024-11-08 17:18:25,448 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:18:25,448 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 781 transitions.
[2024-11-08 17:18:25,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 14.461538461538462) internal successors, (188), 13 states have internal predecessors, (188), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-08 17:18:25,449 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 781 transitions.
[2024-11-08 17:18:25,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306
[2024-11-08 17:18:25,453 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:18:25,454 INFO L215 NwaCegarLoop]: trace histogram [10, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:18:25,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0
[2024-11-08 17:18:25,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:18:25,654 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:18:25,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:18:25,656 INFO L85 PathProgramCache]: Analyzing trace with hash -372581919, now seen corresponding path program 1 times
[2024-11-08 17:18:25,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:18:25,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [73145303]
[2024-11-08 17:18:25,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:18:25,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:18:25,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:18:25,660 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:18:25,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process
[2024-11-08 17:18:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:18:26,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 1503 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-08 17:18:26,934 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:18:27,118 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 153 proven. 10 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked.
[2024-11-08 17:18:27,118 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 17:18:27,526 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 153 proven. 10 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked.
[2024-11-08 17:18:27,526 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:18:27,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73145303]
[2024-11-08 17:18:27,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73145303] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 17:18:27,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 17:18:27,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14
[2024-11-08 17:18:27,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918439078]
[2024-11-08 17:18:27,528 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 17:18:27,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-08 17:18:27,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:18:27,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-08 17:18:27,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182
[2024-11-08 17:18:27,530 INFO L87 Difference]: Start difference. First operand 659 states and 781 transitions. Second operand has 14 states, 14 states have (on average 12.357142857142858) internal successors, (173), 14 states have internal predecessors, (173), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)
[2024-11-08 17:18:28,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:18:28,298 INFO L93 Difference]: Finished difference Result 682 states and 816 transitions.
[2024-11-08 17:18:28,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2024-11-08 17:18:28,299 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.357142857142858) internal successors, (173), 14 states have internal predecessors, (173), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 305
[2024-11-08 17:18:28,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:18:28,301 INFO L225 Difference]: With dead ends: 682
[2024-11-08 17:18:28,301 INFO L226 Difference]: Without dead ends: 676
[2024-11-08 17:18:28,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 617 GetRequests, 596 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506
[2024-11-08 17:18:28,303 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 8 mSDsluCounter, 1327 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1594 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-08 17:18:28,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1594 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-08 17:18:28,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states.
[2024-11-08 17:18:28,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 667.
[2024-11-08 17:18:28,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 653 states have (on average 1.1929555895865238) internal successors, (779), 656 states have internal predecessors, (779), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7)
[2024-11-08 17:18:28,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 794 transitions.
[2024-11-08 17:18:28,318 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 794 transitions. Word has length 305
[2024-11-08 17:18:28,318 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:18:28,318 INFO L471 AbstractCegarLoop]: Abstraction has 667 states and 794 transitions.
[2024-11-08 17:18:28,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.357142857142858) internal successors, (173), 14 states have internal predecessors, (173), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)
[2024-11-08 17:18:28,319 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 794 transitions.
[2024-11-08 17:18:28,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312
[2024-11-08 17:18:28,324 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:18:28,324 INFO L215 NwaCegarLoop]: trace histogram [16, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:18:28,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0
[2024-11-08 17:18:28,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:18:28,525 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:18:28,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:18:28,526 INFO L85 PathProgramCache]: Analyzing trace with hash -468798463, now seen corresponding path program 2 times
[2024-11-08 17:18:28,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:18:28,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1382062884]
[2024-11-08 17:18:28,528 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-08 17:18:28,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:18:28,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:18:28,530 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:18:28,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process
[2024-11-08 17:18:29,830 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-08 17:18:29,831 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-08 17:18:29,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 1569 conjuncts, 17 conjuncts are in the unsatisfiable core
[2024-11-08 17:18:29,881 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:18:29,896 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-11-08 17:18:29,897 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-11-08 17:18:29,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 35 treesize of output 29
[2024-11-08 17:18:32,709 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-08 17:18:32,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 210 treesize of output 92
[2024-11-08 17:18:34,959 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-08 17:18:34,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 233 treesize of output 131
[2024-11-08 17:18:37,272 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-08 17:18:37,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 413 treesize of output 311
[2024-11-08 17:18:39,800 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-08 17:18:39,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1133 treesize of output 1031
[2024-11-08 17:18:39,981 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-08 17:18:39,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 3894 treesize of output 3850
[2024-11-08 17:18:40,085 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 0 proven. 338 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked.
[2024-11-08 17:18:40,085 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 17:18:43,426 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 0 proven. 338 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked.
[2024-11-08 17:18:43,426 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:18:43,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382062884]
[2024-11-08 17:18:43,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382062884] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 17:18:43,426 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 17:18:43,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19
[2024-11-08 17:18:43,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429672258]
[2024-11-08 17:18:43,426 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 17:18:43,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2024-11-08 17:18:43,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:18:43,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2024-11-08 17:18:43,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342
[2024-11-08 17:18:43,429 INFO L87 Difference]: Start difference. First operand 667 states and 794 transitions. Second operand has 19 states, 19 states have (on average 27.57894736842105) internal successors, (524), 19 states have internal predecessors, (524), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-08 17:18:48,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:18:52,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:18:57,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:19:01,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:19:05,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:19:10,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:19:14,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:19:20,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:19:24,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:19:28,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:19:33,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:19:38,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:19:42,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:19:46,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:19:50,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:19:54,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:19:59,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:20:03,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:20:07,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:20:11,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:20:15,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:20:19,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:20:24,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:20:28,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:20:32,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:20:37,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:20:40,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:20:44,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:20:49,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:20:53,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:20:56,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:21:00,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:21:04,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:21:10,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:21:14,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:21:18,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:21:22,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:21:27,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:21:31,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:21:35,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:21:39,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:21:43,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:21:47,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:21:51,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:21:55,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:21:59,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:22:03,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:22:07,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:22:11,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:22:12,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:22:12,456 INFO L93 Difference]: Finished difference Result 3823 states and 4591 transitions.
[2024-11-08 17:22:12,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2024-11-08 17:22:12,457 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 27.57894736842105) internal successors, (524), 19 states have internal predecessors, (524), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 311
[2024-11-08 17:22:12,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:22:12,468 INFO L225 Difference]: With dead ends: 3823
[2024-11-08 17:22:12,469 INFO L226 Difference]: Without dead ends: 3823
[2024-11-08 17:22:12,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 634 GetRequests, 600 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=285, Invalid=771, Unknown=0, NotChecked=0, Total=1056
[2024-11-08 17:22:12,470 INFO L432 NwaCegarLoop]: 1141 mSDtfsCounter, 5959 mSDsluCounter, 10603 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 53 mSolverCounterUnsat, 47 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 205.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5965 SdHoareTripleChecker+Valid, 11744 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 47 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 206.1s IncrementalHoareTripleChecker+Time
[2024-11-08 17:22:12,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5965 Valid, 11744 Invalid, 914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 814 Invalid, 47 Unknown, 0 Unchecked, 206.1s Time]
[2024-11-08 17:22:12,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3823 states.
[2024-11-08 17:22:12,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3823 to 1177.
[2024-11-08 17:22:12,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1177 states, 1157 states have (on average 1.171132238547969) internal successors, (1355), 1160 states have internal predecessors, (1355), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13)
[2024-11-08 17:22:12,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1382 transitions.
[2024-11-08 17:22:12,520 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1382 transitions. Word has length 311
[2024-11-08 17:22:12,521 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:22:12,521 INFO L471 AbstractCegarLoop]: Abstraction has 1177 states and 1382 transitions.
[2024-11-08 17:22:12,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 27.57894736842105) internal successors, (524), 19 states have internal predecessors, (524), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-08 17:22:12,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1382 transitions.
[2024-11-08 17:22:12,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 648
[2024-11-08 17:22:12,539 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:22:12,539 INFO L215 NwaCegarLoop]: trace histogram [16, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:22:12,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0
[2024-11-08 17:22:12,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:22:12,740 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:22:12,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:22:12,746 INFO L85 PathProgramCache]: Analyzing trace with hash -121337889, now seen corresponding path program 3 times
[2024-11-08 17:22:12,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:22:12,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1491238260]
[2024-11-08 17:22:12,750 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-08 17:22:12,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:22:12,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:22:12,752 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:22:12,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3320e66-3f5a-46a7-aed6-7c1095a09154/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process