./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.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_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/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_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/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_ef9f9f76-0868-4987-9650-baf507fa8e23/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 67499ec0709cfdcc368630c5b1d94f26157589b8bf16f22cf5d62554760c6dd7
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 17:56:35,931 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 17:56:36,066 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/config/svcomp-MemCleanup-32bit-Automizer_Default.epf
[2024-11-08 17:56:36,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 17:56:36,079 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 17:56:36,121 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 17:56:36,122 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 17:56:36,122 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 17:56:36,123 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 17:56:36,123 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 17:56:36,124 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 17:56:36,124 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 17:56:36,125 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 17:56:36,129 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 17:56:36,129 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 17:56:36,130 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 17:56:36,130 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 17:56:36,130 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 17:56:36,131 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 17:56:36,131 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 17:56:36,131 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 17:56:36,135 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 17:56:36,136 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2024-11-08 17:56:36,136 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2024-11-08 17:56:36,136 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 17:56:36,137 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 17:56:36,137 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-08 17:56:36,137 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 17:56:36,137 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 17:56:36,138 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 17:56:36,138 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 17:56:36,138 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 17:56:36,138 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 17:56:36,139 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 17:56:36,143 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 17:56:36,143 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 17:56:36,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:56:36,144 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 17:56:36,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 17:56:36,145 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 17:56:36,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 17:56:36,147 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 17:56:36,147 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 17:56:36,148 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 17:56:36,148 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 17:56:36,149 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_ef9f9f76-0868-4987-9650-baf507fa8e23/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67499ec0709cfdcc368630c5b1d94f26157589b8bf16f22cf5d62554760c6dd7
[2024-11-08 17:56:36,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 17:56:36,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 17:56:36,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 17:56:36,588 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 17:56:36,595 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 17:56:36,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i
Unable to find full path for "g++"
[2024-11-08 17:56:39,206 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 17:56:39,663 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 17:56:39,664 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i
[2024-11-08 17:56:39,689 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/data/7204874f0/48e83d5307224974a4d79df5b4d895c9/FLAGbc950460d
[2024-11-08 17:56:39,708 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/data/7204874f0/48e83d5307224974a4d79df5b4d895c9
[2024-11-08 17:56:39,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 17:56:39,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 17:56:39,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 17:56:39,716 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 17:56:39,724 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 17:56:39,725 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:56:39" (1/1) ...
[2024-11-08 17:56:39,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7134690b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:56:39, skipping insertion in model container
[2024-11-08 17:56:39,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:56:39" (1/1) ...
[2024-11-08 17:56:39,832 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 17:56:40,592 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 17:56:40,659 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 17:56:40,674 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 17:56:40,679 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 17:56:40,703 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 17:56:40,784 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 17:56:40,785 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 17:56:40,788 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 17:56:40,789 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 17:56:40,793 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 17:56:40,797 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 17:56:40,803 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 17:56:40,804 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 17:56:40,815 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 17:56:40,831 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:56:40,855 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 17:56:40,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@342e22be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:56:40, skipping insertion in model container
[2024-11-08 17:56:40,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 17:56:40,857 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner
[2024-11-08 17:56:40,860 INFO L158 Benchmark]: Toolchain (without parser) took 1145.48ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 89.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
[2024-11-08 17:56:40,861 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 115.3MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:56:40,863 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1141.71ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 89.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
[2024-11-08 17:56:40,865 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.44ms. Allocated memory is still 115.3MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1141.71ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 89.9MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. 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_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/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_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/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_ef9f9f76-0868-4987-9650-baf507fa8e23/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 67499ec0709cfdcc368630c5b1d94f26157589b8bf16f22cf5d62554760c6dd7
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 17:56:43,759 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 17:56:43,914 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf
[2024-11-08 17:56:43,924 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 17:56:43,928 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 17:56:43,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 17:56:43,975 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 17:56:43,976 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 17:56:43,977 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 17:56:43,979 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 17:56:43,979 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 17:56:43,980 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 17:56:43,981 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 17:56:43,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 17:56:43,984 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 17:56:43,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 17:56:43,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 17:56:43,986 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 17:56:43,987 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 17:56:43,987 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 17:56:43,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 17:56:43,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 17:56:43,992 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2024-11-08 17:56:43,993 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2024-11-08 17:56:43,993 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 17:56:43,994 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 17:56:43,994 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-08 17:56:43,994 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-08 17:56:43,995 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 17:56:43,998 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-08 17:56:43,998 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 17:56:43,999 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 17:56:44,000 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 17:56:44,001 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 17:56:44,001 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 17:56:44,002 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 17:56:44,003 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 17:56:44,004 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 17:56:44,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:56:44,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 17:56:44,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 17:56:44,006 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-08 17:56:44,006 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-08 17:56:44,007 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 17:56:44,007 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 17:56:44,008 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 17:56:44,008 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 17:56:44,008 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_ef9f9f76-0868-4987-9650-baf507fa8e23/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67499ec0709cfdcc368630c5b1d94f26157589b8bf16f22cf5d62554760c6dd7
[2024-11-08 17:56:44,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 17:56:44,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 17:56:44,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 17:56:44,634 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 17:56:44,635 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 17:56:44,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i
Unable to find full path for "g++"
[2024-11-08 17:56:47,328 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 17:56:47,885 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 17:56:47,886 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i
[2024-11-08 17:56:47,920 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/data/08d4b301e/4e3aa2225be14cc59c8654095bf5c8a1/FLAG8e154956e
[2024-11-08 17:56:47,951 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/data/08d4b301e/4e3aa2225be14cc59c8654095bf5c8a1
[2024-11-08 17:56:47,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 17:56:47,957 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 17:56:47,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 17:56:47,960 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 17:56:47,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 17:56:47,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:56:47" (1/1) ...
[2024-11-08 17:56:47,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b071aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:56:47, skipping insertion in model container
[2024-11-08 17:56:47,971 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:56:47" (1/1) ...
[2024-11-08 17:56:48,076 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 17:56:48,804 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 17:56:48,872 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 17:56:48,887 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 17:56:48,897 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 17:56:48,921 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 17:56:49,023 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 17:56:49,023 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 17:56:49,031 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 17:56:49,032 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 17:56:49,047 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 17:56:49,049 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 17:56:49,054 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 17:56:49,060 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 17:56:49,076 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 17:56:49,085 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:56:49,115 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2024-11-08 17:56:49,141 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 17:56:49,204 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 17:56:49,244 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 17:56:49,247 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 17:56:49,252 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 17:56:49,260 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 17:56:49,289 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 17:56:49,289 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 17:56:49,292 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 17:56:49,293 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 17:56:49,296 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 17:56:49,298 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 17:56:49,321 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 17:56:49,322 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 17:56:49,330 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 17:56:49,332 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:56:49,337 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 17:56:49,466 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:56:49,529 INFO L204 MainTranslator]: Completed translation
[2024-11-08 17:56:49,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:56:49 WrapperNode
[2024-11-08 17:56:49,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 17:56:49,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 17:56:49,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 17:56:49,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 17:56:49,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:56:49" (1/1) ...
[2024-11-08 17:56:49,581 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:56:49" (1/1) ...
[2024-11-08 17:56:49,638 INFO L138 Inliner]: procedures = 179, calls = 272, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 983
[2024-11-08 17:56:49,638 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 17:56:49,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 17:56:49,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 17:56:49,640 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 17:56:49,654 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:56:49" (1/1) ...
[2024-11-08 17:56:49,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:56:49" (1/1) ...
[2024-11-08 17:56:49,665 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:56:49" (1/1) ...
[2024-11-08 17:56:49,791 INFO L175 MemorySlicer]: Split 253 memory accesses to 3 slices as follows [2, 217, 34]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 50, 4].
[2024-11-08 17:56:49,791 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:56:49" (1/1) ...
[2024-11-08 17:56:49,793 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:56:49" (1/1) ...
[2024-11-08 17:56:49,856 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:56:49" (1/1) ...
[2024-11-08 17:56:49,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:56:49" (1/1) ...
[2024-11-08 17:56:49,871 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:56:49" (1/1) ...
[2024-11-08 17:56:49,876 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:56:49" (1/1) ...
[2024-11-08 17:56:49,887 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 17:56:49,892 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 17:56:49,892 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 17:56:49,892 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 17:56:49,893 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:56:49" (1/1) ...
[2024-11-08 17:56:49,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:56:49,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:56:49,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 17:56:49,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 17:56:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2024-11-08 17:56:50,013 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2024-11-08 17:56:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0
[2024-11-08 17:56:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1
[2024-11-08 17:56:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2
[2024-11-08 17:56:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-08 17:56:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-08 17:56:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-11-08 17:56:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0
[2024-11-08 17:56:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1
[2024-11-08 17:56:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2
[2024-11-08 17:56:50,016 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0
[2024-11-08 17:56:50,016 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1
[2024-11-08 17:56:50,016 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2
[2024-11-08 17:56:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-08 17:56:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 17:56:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-11-08 17:56:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-11-08 17:56:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2
[2024-11-08 17:56:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-08 17:56:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-11-08 17:56:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-11-08 17:56:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-11-08 17:56:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-08 17:56:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-11-08 17:56:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-11-08 17:56:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2
[2024-11-08 17:56:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-08 17:56:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-08 17:56:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-11-08 17:56:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 17:56:50,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 17:56:50,325 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 17:56:50,328 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 17:57:01,254 INFO L? ?]: Removed 127 outVars from TransFormulas that were not future-live.
[2024-11-08 17:57:01,255 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 17:57:01,287 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 17:57:01,287 INFO L316 CfgBuilder]: Removed 58 assume(true) statements.
[2024-11-08 17:57:01,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:57:01 BoogieIcfgContainer
[2024-11-08 17:57:01,290 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 17:57:01,293 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 17:57:01,294 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 17:57:01,298 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 17:57:01,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:56:47" (1/3) ...
[2024-11-08 17:57:01,299 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a945ed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:57:01, skipping insertion in model container
[2024-11-08 17:57:01,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:56:49" (2/3) ...
[2024-11-08 17:57:01,300 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a945ed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:57:01, skipping insertion in model container
[2024-11-08 17:57:01,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:57:01" (3/3) ...
[2024-11-08 17:57:01,302 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test7-1.i
[2024-11-08 17:57:01,322 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 17:57:01,322 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-08 17:57:01,397 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 17:57:01,406 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;@191e8660, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 17:57:01,406 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-08 17:57:01,414 INFO L276 IsEmpty]: Start isEmpty. Operand has 202 states, 192 states have (on average 1.6510416666666667) internal successors, (317), 195 states have internal predecessors, (317), 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 17:57:01,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-08 17:57:01,429 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:57:01,431 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:57:01,431 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:57:01,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:57:01,442 INFO L85 PathProgramCache]: Analyzing trace with hash -337528662, now seen corresponding path program 1 times
[2024-11-08 17:57:01,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:57:01,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1099963184]
[2024-11-08 17:57:01,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:57:01,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:57:01,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:57:01,462 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:57:01,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 17:57:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:57:01,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-08 17:57:01,749 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:57:01,759 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 17:57:01,759 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:57:01,760 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:57:01,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1099963184]
[2024-11-08 17:57:01,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1099963184] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:57:01,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:57:01,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 17:57:01,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446913877]
[2024-11-08 17:57:01,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:57:01,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-08 17:57:01,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:57:01,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-08 17:57:01,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 17:57:01,810 INFO L87 Difference]: Start difference. First operand has 202 states, 192 states have (on average 1.6510416666666667) internal successors, (317), 195 states have internal predecessors, (317), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:57:01,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:57:01,857 INFO L93 Difference]: Finished difference Result 199 states and 259 transitions.
[2024-11-08 17:57:01,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-08 17:57:01,860 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2024-11-08 17:57:01,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:57:01,871 INFO L225 Difference]: With dead ends: 199
[2024-11-08 17:57:01,871 INFO L226 Difference]: Without dead ends: 197
[2024-11-08 17:57:01,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 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 17:57:01,878 INFO L432 NwaCegarLoop]: 259 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, 259 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 17:57:01,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:57:01,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states.
[2024-11-08 17:57:01,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197.
[2024-11-08 17:57:01,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 189 states have (on average 1.3174603174603174) internal successors, (249), 191 states have internal predecessors, (249), 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 17:57:01,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 257 transitions.
[2024-11-08 17:57:01,957 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 257 transitions. Word has length 9
[2024-11-08 17:57:01,957 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:57:01,958 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 257 transitions.
[2024-11-08 17:57:01,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:57:01,958 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 257 transitions.
[2024-11-08 17:57:01,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-08 17:57:01,960 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:57:01,961 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:57:01,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-08 17:57:02,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:57:02,162 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:57:02,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:57:02,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1144440890, now seen corresponding path program 1 times
[2024-11-08 17:57:02,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:57:02,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1699064422]
[2024-11-08 17:57:02,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:57:02,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:57:02,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:57:02,166 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:57:02,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-08 17:57:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:57:02,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-08 17:57:02,393 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:57:02,441 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-11-08 17:57:02,443 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-11-08 17:57:02,458 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 17:57:02,570 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-08 17:57:02,570 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 17:57:02,623 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 17:57:02,623 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:57:02,623 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:57:02,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699064422]
[2024-11-08 17:57:02,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699064422] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:57:02,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:57:02,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:57:02,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182518286]
[2024-11-08 17:57:02,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:57:02,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:57:02,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:57:02,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:57:02,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:57:02,631 INFO L87 Difference]: Start difference. First operand 197 states and 257 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 17:57:03,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:57:03,964 INFO L93 Difference]: Finished difference Result 382 states and 503 transitions.
[2024-11-08 17:57:03,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:57:03,966 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 11
[2024-11-08 17:57:03,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:57:03,969 INFO L225 Difference]: With dead ends: 382
[2024-11-08 17:57:03,973 INFO L226 Difference]: Without dead ends: 382
[2024-11-08 17:57:03,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 17:57:03,975 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 235 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-08 17:57:03,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 761 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-08 17:57:03,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states.
[2024-11-08 17:57:04,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 199.
[2024-11-08 17:57:04,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 191 states have (on average 1.3141361256544504) internal successors, (251), 193 states have internal predecessors, (251), 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 17:57:04,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 259 transitions.
[2024-11-08 17:57:04,021 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 259 transitions. Word has length 11
[2024-11-08 17:57:04,022 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:57:04,022 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 259 transitions.
[2024-11-08 17:57:04,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 17:57:04,023 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 259 transitions.
[2024-11-08 17:57:04,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68
[2024-11-08 17:57:04,025 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:57:04,026 INFO L215 NwaCegarLoop]: trace histogram [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]
[2024-11-08 17:57:04,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-08 17:57:04,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:57:04,227 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:57:04,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:57:04,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1807204479, now seen corresponding path program 1 times
[2024-11-08 17:57:04,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:57:04,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1009322564]
[2024-11-08 17:57:04,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:57:04,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:57:04,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:57:04,233 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:57:04,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-08 17:57:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:57:04,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-08 17:57:04,816 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:57:05,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:57:05,489 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:57:05,489 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:57:05,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1009322564]
[2024-11-08 17:57:05,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1009322564] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:57:05,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:57:05,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 17:57:05,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271907875]
[2024-11-08 17:57:05,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:57:05,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 17:57:05,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:57:05,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 17:57:05,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:57:05,499 INFO L87 Difference]: Start difference. First operand 199 states and 259 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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 17:57:07,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:57:07,031 INFO L93 Difference]: Finished difference Result 309 states and 405 transitions.
[2024-11-08 17:57:07,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 17:57:07,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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 67
[2024-11-08 17:57:07,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:57:07,035 INFO L225 Difference]: With dead ends: 309
[2024-11-08 17:57:07,035 INFO L226 Difference]: Without dead ends: 309
[2024-11-08 17:57:07,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 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 17:57:07,037 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 105 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2024-11-08 17:57:07,038 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 534 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2024-11-08 17:57:07,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states.
[2024-11-08 17:57:07,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 306.
[2024-11-08 17:57:07,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 298 states have (on average 1.3221476510067114) internal successors, (394), 300 states have internal predecessors, (394), 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 17:57:07,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 402 transitions.
[2024-11-08 17:57:07,059 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 402 transitions. Word has length 67
[2024-11-08 17:57:07,059 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:57:07,059 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 402 transitions.
[2024-11-08 17:57:07,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 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 17:57:07,060 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 402 transitions.
[2024-11-08 17:57:07,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2024-11-08 17:57:07,067 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:57:07,067 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]
[2024-11-08 17:57:07,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-08 17:57:07,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:57:07,268 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:57:07,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:57:07,269 INFO L85 PathProgramCache]: Analyzing trace with hash -784478400, now seen corresponding path program 1 times
[2024-11-08 17:57:07,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:57:07,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [829964816]
[2024-11-08 17:57:07,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:57:07,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:57:07,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:57:07,277 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:57:07,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-08 17:57:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:57:07,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-08 17:57:07,909 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:57:07,955 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 17:57:07,959 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:57:07,959 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:57:07,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829964816]
[2024-11-08 17:57:07,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829964816] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:57:07,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:57:07,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 17:57:07,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846179673]
[2024-11-08 17:57:07,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:57:07,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 17:57:07,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:57:07,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 17:57:07,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:57:07,963 INFO L87 Difference]: Start difference. First operand 306 states and 402 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:57:08,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:57:08,188 INFO L93 Difference]: Finished difference Result 346 states and 442 transitions.
[2024-11-08 17:57:08,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 17:57:08,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 82
[2024-11-08 17:57:08,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:57:08,192 INFO L225 Difference]: With dead ends: 346
[2024-11-08 17:57:08,192 INFO L226 Difference]: Without dead ends: 346
[2024-11-08 17:57:08,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 80 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 17:57:08,194 INFO L432 NwaCegarLoop]: 237 mSDtfsCounter, 8 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 459 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 17:57:08,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 459 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-08 17:57:08,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states.
[2024-11-08 17:57:08,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346.
[2024-11-08 17:57:08,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 338 states have (on average 1.2840236686390532) internal successors, (434), 340 states have internal predecessors, (434), 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 17:57:08,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 442 transitions.
[2024-11-08 17:57:08,214 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 442 transitions. Word has length 82
[2024-11-08 17:57:08,214 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:57:08,214 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 442 transitions.
[2024-11-08 17:57:08,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:57:08,215 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 442 transitions.
[2024-11-08 17:57:08,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2024-11-08 17:57:08,217 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:57:08,217 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]
[2024-11-08 17:57:08,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-11-08 17:57:08,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:57:08,422 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:57:08,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:57:08,422 INFO L85 PathProgramCache]: Analyzing trace with hash 901701438, now seen corresponding path program 1 times
[2024-11-08 17:57:08,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:57:08,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [534543961]
[2024-11-08 17:57:08,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:57:08,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:57:08,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:57:08,426 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:57:08,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-08 17:57:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:57:09,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-08 17:57:09,076 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:57:09,543 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 17:57:09,543 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:57:09,543 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:57:09,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534543961]
[2024-11-08 17:57:09,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534543961] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:57:09,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:57:09,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:57:09,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442230294]
[2024-11-08 17:57:09,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:57:09,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:57:09,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:57:09,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:57:09,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:57:09,547 INFO L87 Difference]: Start difference. First operand 346 states and 442 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:57:14,000 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 []
[2024-11-08 17:57:18,003 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 17:57:20,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:57:20,897 INFO L93 Difference]: Finished difference Result 437 states and 562 transitions.
[2024-11-08 17:57:20,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:57:20,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 82
[2024-11-08 17:57:20,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:57:20,904 INFO L225 Difference]: With dead ends: 437
[2024-11-08 17:57:20,904 INFO L226 Difference]: Without dead ends: 437
[2024-11-08 17:57:20,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 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 17:57:20,906 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 506 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time
[2024-11-08 17:57:20,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 453 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 82 Invalid, 2 Unknown, 0 Unchecked, 11.3s Time]
[2024-11-08 17:57:20,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states.
[2024-11-08 17:57:20,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 434.
[2024-11-08 17:57:20,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 426 states have (on average 1.2934272300469483) internal successors, (551), 428 states have internal predecessors, (551), 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 17:57:20,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 559 transitions.
[2024-11-08 17:57:20,925 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 559 transitions. Word has length 82
[2024-11-08 17:57:20,925 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:57:20,926 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 559 transitions.
[2024-11-08 17:57:20,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 17:57:20,926 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 559 transitions.
[2024-11-08 17:57:20,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85
[2024-11-08 17:57:20,928 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:57:20,929 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 17:57:20,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-11-08 17:57:21,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:57:21,130 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:57:21,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:57:21,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1056791609, now seen corresponding path program 1 times
[2024-11-08 17:57:21,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:57:21,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [938175829]
[2024-11-08 17:57:21,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:57:21,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:57:21,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:57:21,134 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:57:21,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-08 17:57:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:57:21,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-08 17:57:21,745 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:57:21,799 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 17:57:21,799 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:57:21,799 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:57:21,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938175829]
[2024-11-08 17:57:21,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938175829] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:57:21,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:57:21,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:57:21,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784213954]
[2024-11-08 17:57:21,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:57:21,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:57:21,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:57:21,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:57:21,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:57:21,803 INFO L87 Difference]: Start difference. First operand 434 states and 559 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 17:57:21,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:57:21,994 INFO L93 Difference]: Finished difference Result 398 states and 499 transitions.
[2024-11-08 17:57:21,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 17:57:21,995 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 17:57:21,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:57:21,997 INFO L225 Difference]: With dead ends: 398
[2024-11-08 17:57:21,997 INFO L226 Difference]: Without dead ends: 398
[2024-11-08 17:57:21,998 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 17:57:22,001 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 32 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 652 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 17:57:22,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 652 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-08 17:57:22,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states.
[2024-11-08 17:57:22,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398.
[2024-11-08 17:57:22,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 390 states have (on average 1.258974358974359) internal successors, (491), 392 states have internal predecessors, (491), 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 17:57:22,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 499 transitions.
[2024-11-08 17:57:22,021 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 499 transitions. Word has length 84
[2024-11-08 17:57:22,021 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:57:22,022 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 499 transitions.
[2024-11-08 17:57:22,022 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 17:57:22,022 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 499 transitions.
[2024-11-08 17:57:22,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85
[2024-11-08 17:57:22,025 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:57:22,025 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 17:57:22,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2024-11-08 17:57:22,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:57:22,230 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:57:22,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:57:22,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1490999211, now seen corresponding path program 1 times
[2024-11-08 17:57:22,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:57:22,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1977804934]
[2024-11-08 17:57:22,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:57:22,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:57:22,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:57:22,234 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:57:22,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-08 17:57:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:57:22,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-08 17:57:22,869 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:57:22,914 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 17:57:22,914 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:57:22,915 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:57:22,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977804934]
[2024-11-08 17:57:22,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977804934] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:57:22,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:57:22,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:57:22,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967589524]
[2024-11-08 17:57:22,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:57:22,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:57:22,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:57:22,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:57:22,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:57:22,918 INFO L87 Difference]: Start difference. First operand 398 states and 499 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 17:57:22,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:57:22,970 INFO L93 Difference]: Finished difference Result 401 states and 503 transitions.
[2024-11-08 17:57:22,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:57:22,971 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 17:57:22,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:57:22,975 INFO L225 Difference]: With dead ends: 401
[2024-11-08 17:57:22,975 INFO L226 Difference]: Without dead ends: 401
[2024-11-08 17:57:22,975 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 17:57:22,976 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 0 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 719 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 17:57:22,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 719 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:57:22,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states.
[2024-11-08 17:57:22,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401.
[2024-11-08 17:57:22,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 392 states have (on average 1.260204081632653) internal successors, (494), 395 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 17:57:22,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 503 transitions.
[2024-11-08 17:57:22,990 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 503 transitions. Word has length 84
[2024-11-08 17:57:22,990 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:57:22,991 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 503 transitions.
[2024-11-08 17:57:22,991 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 17:57:22,991 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 503 transitions.
[2024-11-08 17:57:22,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87
[2024-11-08 17:57:22,992 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:57:22,993 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 17:57:23,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-11-08 17:57:23,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:57:23,194 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:57:23,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:57:23,194 INFO L85 PathProgramCache]: Analyzing trace with hash -896593389, now seen corresponding path program 1 times
[2024-11-08 17:57:23,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:57:23,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1997164725]
[2024-11-08 17:57:23,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:57:23,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:57:23,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:57:23,197 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:57:23,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-11-08 17:57:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:57:23,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-08 17:57:23,823 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:57:23,838 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-11-08 17:57:23,838 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-11-08 17:57:23,842 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 17:57:23,930 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-08 17:57:23,931 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 17:57:23,971 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 17:57:23,971 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:57:23,971 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:57:23,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997164725]
[2024-11-08 17:57:23,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997164725] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:57:23,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:57:23,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:57:23,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195832589]
[2024-11-08 17:57:23,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:57:23,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:57:23,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:57:23,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:57:23,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:57:23,975 INFO L87 Difference]: Start difference. First operand 401 states and 503 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 17:57:24,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:57:24,957 INFO L93 Difference]: Finished difference Result 549 states and 697 transitions.
[2024-11-08 17:57:24,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:57:24,958 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 17:57:24,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:57:24,961 INFO L225 Difference]: With dead ends: 549
[2024-11-08 17:57:24,962 INFO L226 Difference]: Without dead ends: 549
[2024-11-08 17:57:24,963 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 17:57:24,965 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 212 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-08 17:57:24,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 715 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-08 17:57:24,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states.
[2024-11-08 17:57:24,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 403.
[2024-11-08 17:57:24,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 394 states have (on average 1.2588832487309645) internal successors, (496), 397 states have internal predecessors, (496), 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 17:57:24,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 505 transitions.
[2024-11-08 17:57:24,981 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 505 transitions. Word has length 86
[2024-11-08 17:57:24,983 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:57:24,984 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 505 transitions.
[2024-11-08 17:57:24,984 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 17:57:24,984 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 505 transitions.
[2024-11-08 17:57:24,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2024-11-08 17:57:24,987 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:57:24,988 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 17:57:25,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2024-11-08 17:57:25,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:57:25,188 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:57:25,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:57:25,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1632211038, now seen corresponding path program 1 times
[2024-11-08 17:57:25,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:57:25,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1231382464]
[2024-11-08 17:57:25,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:57:25,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:57:25,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:57:25,191 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:57:25,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-11-08 17:57:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:57:25,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-08 17:57:25,893 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:57:26,016 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 17:57:26,016 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:57:26,017 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:57:26,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231382464]
[2024-11-08 17:57:26,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231382464] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:57:26,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:57:26,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:57:26,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567182547]
[2024-11-08 17:57:26,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:57:26,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:57:26,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:57:26,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:57:26,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:57:26,020 INFO L87 Difference]: Start difference. First operand 403 states and 505 transitions. Second operand has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 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 17:57:26,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:57:26,251 INFO L93 Difference]: Finished difference Result 430 states and 514 transitions.
[2024-11-08 17:57:26,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 17:57:26,252 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 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 17:57:26,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:57:26,254 INFO L225 Difference]: With dead ends: 430
[2024-11-08 17:57:26,255 INFO L226 Difference]: Without dead ends: 430
[2024-11-08 17:57:26,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 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 17:57:26,256 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 22 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 616 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 17:57:26,256 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 616 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-08 17:57:26,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states.
[2024-11-08 17:57:26,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 427.
[2024-11-08 17:57:26,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 418 states have (on average 1.200956937799043) internal successors, (502), 421 states have internal predecessors, (502), 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 17:57:26,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 511 transitions.
[2024-11-08 17:57:26,270 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 511 transitions. Word has length 129
[2024-11-08 17:57:26,270 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:57:26,271 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 511 transitions.
[2024-11-08 17:57:26,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 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 17:57:26,271 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 511 transitions.
[2024-11-08 17:57:26,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2024-11-08 17:57:26,273 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:57:26,273 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 17:57:26,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2024-11-08 17:57:26,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:57:26,477 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:57:26,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:57:26,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1654843292, now seen corresponding path program 1 times
[2024-11-08 17:57:26,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:57:26,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [439711587]
[2024-11-08 17:57:26,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:57:26,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:57:26,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:57:26,480 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:57:26,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-11-08 17:57:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:57:27,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-08 17:57:27,214 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:57:27,303 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 17:57:27,304 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:57:27,304 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:57:27,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439711587]
[2024-11-08 17:57:27,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439711587] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:57:27,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:57:27,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 17:57:27,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582312714]
[2024-11-08 17:57:27,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:57:27,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 17:57:27,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:57:27,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 17:57:27,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:57:27,307 INFO L87 Difference]: Start difference. First operand 427 states and 511 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 17:57:27,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:57:27,479 INFO L93 Difference]: Finished difference Result 391 states and 454 transitions.
[2024-11-08 17:57:27,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:57:27,480 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 17:57:27,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:57:27,482 INFO L225 Difference]: With dead ends: 391
[2024-11-08 17:57:27,482 INFO L226 Difference]: Without dead ends: 391
[2024-11-08 17:57:27,482 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 17:57:27,483 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 12 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-08 17:57:27,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 812 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-08 17:57:27,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states.
[2024-11-08 17:57:27,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 391.
[2024-11-08 17:57:27,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 382 states have (on average 1.1649214659685865) internal successors, (445), 385 states have internal predecessors, (445), 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 17:57:27,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 454 transitions.
[2024-11-08 17:57:27,497 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 454 transitions. Word has length 129
[2024-11-08 17:57:27,497 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:57:27,497 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 454 transitions.
[2024-11-08 17:57:27,498 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 17:57:27,498 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 454 transitions.
[2024-11-08 17:57:27,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2024-11-08 17:57:27,500 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:57:27,500 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 17:57:27,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2024-11-08 17:57:27,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:57:27,704 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:57:27,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:57:27,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1876486568, now seen corresponding path program 1 times
[2024-11-08 17:57:27,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:57:27,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [225431072]
[2024-11-08 17:57:27,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:57:27,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:57:27,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:57:27,707 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:57:27,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-11-08 17:57:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:57:28,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-08 17:57:28,422 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:57:28,496 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 17:57:28,496 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 17:57:28,673 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 17:57:28,673 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:57:28,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225431072]
[2024-11-08 17:57:28,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [225431072] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 17:57:28,674 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 17:57:28,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8
[2024-11-08 17:57:28,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345525247]
[2024-11-08 17:57:28,675 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 17:57:28,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-08 17:57:28,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:57:28,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-08 17:57:28,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-11-08 17:57:28,677 INFO L87 Difference]: Start difference. First operand 391 states and 454 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 17:57:28,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:57:28,919 INFO L93 Difference]: Finished difference Result 402 states and 471 transitions.
[2024-11-08 17:57:28,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-08 17:57:28,921 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 17:57:28,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:57:28,923 INFO L225 Difference]: With dead ends: 402
[2024-11-08 17:57:28,923 INFO L226 Difference]: Without dead ends: 402
[2024-11-08 17:57:28,924 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 17:57:28,925 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 4 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 17:57:28,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 887 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 17:57:28,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states.
[2024-11-08 17:57:28,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 400.
[2024-11-08 17:57:28,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 390 states have (on average 1.176923076923077) internal successors, (459), 393 states have internal predecessors, (459), 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 17:57:28,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 469 transitions.
[2024-11-08 17:57:28,939 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 469 transitions. Word has length 129
[2024-11-08 17:57:28,939 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:57:28,940 INFO L471 AbstractCegarLoop]: Abstraction has 400 states and 469 transitions.
[2024-11-08 17:57:28,940 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 17:57:28,940 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 469 transitions.
[2024-11-08 17:57:28,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134
[2024-11-08 17:57:28,942 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:57:28,942 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 17:57:28,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2024-11-08 17:57:29,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:57:29,144 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:57:29,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:57:29,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1845616054, now seen corresponding path program 2 times
[2024-11-08 17:57:29,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:57:29,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [781963310]
[2024-11-08 17:57:29,146 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-08 17:57:29,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:57:29,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:57:29,148 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:57:29,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2024-11-08 17:57:30,020 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-08 17:57:30,021 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-08 17:57:30,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-08 17:57:30,043 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:57:30,184 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 17:57:30,185 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 17:57:30,439 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 17:57:30,440 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:57:30,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781963310]
[2024-11-08 17:57:30,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781963310] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 17:57:30,440 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 17:57:30,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10
[2024-11-08 17:57:30,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905134317]
[2024-11-08 17:57:30,441 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 17:57:30,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-08 17:57:30,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:57:30,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-08 17:57:30,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2024-11-08 17:57:30,444 INFO L87 Difference]: Start difference. First operand 400 states and 469 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 17:57:30,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:57:30,955 INFO L93 Difference]: Finished difference Result 408 states and 479 transitions.
[2024-11-08 17:57:30,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-11-08 17:57:30,956 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 17:57:30,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:57:30,959 INFO L225 Difference]: With dead ends: 408
[2024-11-08 17:57:30,959 INFO L226 Difference]: Without dead ends: 406
[2024-11-08 17:57:30,959 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210
[2024-11-08 17:57:30,960 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 6 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-08 17:57:30,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 896 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-08 17:57:30,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states.
[2024-11-08 17:57:30,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 404.
[2024-11-08 17:57:30,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 394 states have (on average 1.1802030456852792) internal successors, (465), 397 states have internal predecessors, (465), 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 17:57:30,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 474 transitions.
[2024-11-08 17:57:30,974 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 474 transitions. Word has length 133
[2024-11-08 17:57:30,975 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:57:30,975 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 474 transitions.
[2024-11-08 17:57:30,975 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 17:57:30,975 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 474 transitions.
[2024-11-08 17:57:30,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138
[2024-11-08 17:57:30,977 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:57:30,977 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 17:57:31,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0
[2024-11-08 17:57:31,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:57:31,181 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:57:31,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:57:31,182 INFO L85 PathProgramCache]: Analyzing trace with hash -593047050, now seen corresponding path program 3 times
[2024-11-08 17:57:31,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:57:31,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1709040472]
[2024-11-08 17:57:31,183 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-08 17:57:31,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:57:31,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:57:31,184 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:57:31,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2024-11-08 17:57:31,988 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-11-08 17:57:31,988 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-08 17:57:32,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-08 17:57:32,009 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:57:32,024 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-11-08 17:57:32,027 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 17:57:35,446 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-08 17:57:35,447 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 175 treesize of output 72
[2024-11-08 17:57:35,617 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-08 17:57:35,618 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 92 treesize of output 52
[2024-11-08 17:57:35,706 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 17:57:35,706 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 17:57:36,186 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:57:36,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709040472]
[2024-11-08 17:57:36,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709040472] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 17:57:36,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1359030594]
[2024-11-08 17:57:36,186 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-08 17:57:36,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-08 17:57:36,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/cvc4
[2024-11-08 17:57:36,188 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-08 17:57:36,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process
[2024-11-08 17:57:37,591 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-11-08 17:57:37,591 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-08 17:57:37,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-11-08 17:57:37,634 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:57:37,643 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-11-08 17:57:37,644 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-11-08 17:57:37,644 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-11-08 17:57:37,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 33
[2024-11-08 17:57:40,224 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-08 17:57:40,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 132 treesize of output 65
[2024-11-08 17:57:40,342 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-08 17:57:40,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 58
[2024-11-08 17:57:40,420 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 17:57:40,421 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 17:57:40,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1359030594] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 17:57:40,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 17:57:40,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 12
[2024-11-08 17:57:40,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984628705]
[2024-11-08 17:57:40,703 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 17:57:40,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-08 17:57:40,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:57:40,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-08 17:57:40,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210
[2024-11-08 17:57:40,706 INFO L87 Difference]: Start difference. First operand 404 states and 474 transitions. Second operand has 12 states, 12 states have (on average 15.666666666666666) internal successors, (188), 12 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 17:57:45,442 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 17:57:49,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:57:53,571 WARN L539 Checker$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 17:57:57,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:58:01,740 WARN L539 Checker$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 17:58:09,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:58:13,451 WARN L539 Checker$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 17:58:17,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:58:21,579 WARN L539 Checker$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 17:58:24,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:58:28,058 WARN L539 Checker$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 17:58:32,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:58:36,179 WARN L539 Checker$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 17:58:40,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:58:44,430 WARN L539 Checker$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 17:58:48,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:58:52,484 WARN L539 Checker$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 17:58:56,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:59:00,620 WARN L539 Checker$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 17:59:04,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:59:08,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:59:12,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:59:16,116 WARN L539 Checker$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 17:59:20,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:59:24,209 WARN L539 Checker$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 17:59:24,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:59:24,252 INFO L93 Difference]: Finished difference Result 975 states and 1156 transitions.
[2024-11-08 17:59:24,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-11-08 17:59:24,253 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 15.666666666666666) internal successors, (188), 12 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 17:59:24,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:59:24,257 INFO L225 Difference]: With dead ends: 975
[2024-11-08 17:59:24,258 INFO L226 Difference]: Without dead ends: 975
[2024-11-08 17:59:24,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 400 SyntacticMatches, 7 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306
[2024-11-08 17:59:24,259 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 718 mSDsluCounter, 1341 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 8 mSolverCounterUnsat, 23 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 100.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 1581 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 23 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 100.6s IncrementalHoareTripleChecker+Time
[2024-11-08 17:59:24,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 1581 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 117 Invalid, 23 Unknown, 0 Unchecked, 100.6s Time]
[2024-11-08 17:59:24,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states.
[2024-11-08 17:59:24,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 544.
[2024-11-08 17:59:24,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 530 states have (on average 1.1886792452830188) internal successors, (630), 533 states have internal predecessors, (630), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6)
[2024-11-08 17:59:24,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 643 transitions.
[2024-11-08 17:59:24,281 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 643 transitions. Word has length 137
[2024-11-08 17:59:24,282 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:59:24,282 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 643 transitions.
[2024-11-08 17:59:24,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 15.666666666666666) internal successors, (188), 12 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 17:59:24,283 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 643 transitions.
[2024-11-08 17:59:24,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250
[2024-11-08 17:59:24,287 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:59:24,287 INFO L215 NwaCegarLoop]: trace histogram [10, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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]
[2024-11-08 17:59:24,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0
[2024-11-08 17:59:24,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0
[2024-11-08 17:59:24,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:59:24,688 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 17:59:24,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:59:24,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1711898304, now seen corresponding path program 1 times
[2024-11-08 17:59:24,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:59:24,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1896260104]
[2024-11-08 17:59:24,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:59:24,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:59:24,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:59:24,692 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:59:24,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process
[2024-11-08 17:59:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:59:25,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 1222 conjuncts, 20 conjuncts are in the unsatisfiable core
[2024-11-08 17:59:25,886 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:59:25,898 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-11-08 17:59:25,899 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-11-08 17:59:25,901 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 17:59:29,463 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-08 17:59:29,463 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 17:59:31,951 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-08 17:59:31,952 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 17:59:35,981 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-08 17:59:35,981 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 386 treesize of output 295
[2024-11-08 17:59:36,237 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-08 17:59:36,237 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 770 treesize of output 730
[2024-11-08 17:59:36,388 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 170 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked.
[2024-11-08 17:59:36,389 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 17:59:38,793 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:59:38,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896260104]
[2024-11-08 17:59:38,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896260104] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 17:59:38,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1490743214]
[2024-11-08 17:59:38,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:59:38,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-08 17:59:38,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/cvc4
[2024-11-08 17:59:38,797 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-08 17:59:38,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process
[2024-11-08 17:59:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:59:41,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 1222 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-08 17:59:41,088 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:59:41,997 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 116 proven. 21 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked.
[2024-11-08 17:59:41,998 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 17:59:43,142 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 78 proven. 58 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked.
[2024-11-08 17:59:43,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1490743214] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 17:59:43,143 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 17:59:43,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 26
[2024-11-08 17:59:43,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809055220]
[2024-11-08 17:59:43,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 17:59:43,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states
[2024-11-08 17:59:43,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:59:43,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants.
[2024-11-08 17:59:43,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=784, Unknown=0, NotChecked=0, Total=930
[2024-11-08 17:59:43,150 INFO L87 Difference]: Start difference. First operand 544 states and 643 transitions. Second operand has 26 states, 26 states have (on average 13.884615384615385) internal successors, (361), 26 states have internal predecessors, (361), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6)
[2024-11-08 17:59:53,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 17:59:59,790 WARN L539 Checker$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 18:00:04,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 18:00:09,229 WARN L539 Checker$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 18:00:13,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 18:00:17,415 WARN L539 Checker$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 18:00:21,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 18:00:25,662 WARN L539 Checker$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 18:00:30,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 18:00:34,290 WARN L539 Checker$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 18:00:38,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 18:00:42,351 WARN L539 Checker$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 18:00:46,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 18:00:50,964 WARN L539 Checker$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 18:00:55,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 18:00:59,637 WARN L539 Checker$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 18:01:03,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 18:01:08,003 WARN L539 Checker$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 18:01:12,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 18:01:16,986 WARN L539 Checker$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 18:01:21,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 18:01:25,525 WARN L539 Checker$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 18:01:29,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 18:01:33,805 WARN L539 Checker$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 18:01:38,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 18:01:41,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 18:01:45,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 18:01:50,015 WARN L539 Checker$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 18:01:54,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 18:01:58,250 WARN L539 Checker$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 18:02:02,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 18:02:06,319 WARN L539 Checker$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 18:02:10,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 18:02:14,702 WARN L539 Checker$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 18:02:18,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 18:02:22,836 WARN L539 Checker$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 18:02:26,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-08 18:02:31,098 WARN L539 Checker$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 18:02:35,154 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 18:02:35,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:02:35,241 INFO L93 Difference]: Finished difference Result 1555 states and 1859 transitions.
[2024-11-08 18:02:35,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states.
[2024-11-08 18:02:35,243 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 13.884615384615385) internal successors, (361), 26 states have internal predecessors, (361), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) Word has length 249
[2024-11-08 18:02:35,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:02:35,248 INFO L225 Difference]: With dead ends: 1555
[2024-11-08 18:02:35,248 INFO L226 Difference]: Without dead ends: 1551
[2024-11-08 18:02:35,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 965 GetRequests, 899 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 795 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=656, Invalid=3504, Unknown=0, NotChecked=0, Total=4160
[2024-11-08 18:02:35,250 INFO L432 NwaCegarLoop]: 582 mSDtfsCounter, 923 mSDsluCounter, 6928 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 74 mSolverCounterUnsat, 38 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 164.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 7510 SdHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 38 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 165.6s IncrementalHoareTripleChecker+Time
[2024-11-08 18:02:35,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [931 Valid, 7510 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 909 Invalid, 38 Unknown, 0 Unchecked, 165.6s Time]
[2024-11-08 18:02:35,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states.
[2024-11-08 18:02:35,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 640.
[2024-11-08 18:02:35,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 625 states have (on average 1.184) internal successors, (740), 628 states have internal predecessors, (740), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7)
[2024-11-08 18:02:35,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 755 transitions.
[2024-11-08 18:02:35,274 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 755 transitions. Word has length 249
[2024-11-08 18:02:35,274 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:02:35,274 INFO L471 AbstractCegarLoop]: Abstraction has 640 states and 755 transitions.
[2024-11-08 18:02:35,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 13.884615384615385) internal successors, (361), 26 states have internal predecessors, (361), 3 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6)
[2024-11-08 18:02:35,275 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 755 transitions.
[2024-11-08 18:02:35,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317
[2024-11-08 18:02:35,280 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 18:02:35,281 INFO L215 NwaCegarLoop]: trace histogram [21, 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 18:02:35,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0
[2024-11-08 18:02:35,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0
[2024-11-08 18:02:35,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:02:35,682 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 18:02:35,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:02:35,682 INFO L85 PathProgramCache]: Analyzing trace with hash 563038808, now seen corresponding path program 2 times
[2024-11-08 18:02:35,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 18:02:35,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [603003908]
[2024-11-08 18:02:35,683 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-08 18:02:35,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:02:35,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:02:35,685 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:02:35,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process
[2024-11-08 18:02:37,067 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-08 18:02:37,067 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-08 18:02:37,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 1624 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-08 18:02:37,122 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:02:37,425 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 238 proven. 28 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked.
[2024-11-08 18:02:37,425 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 18:02:38,188 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 238 proven. 28 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked.
[2024-11-08 18:02:38,189 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 18:02:38,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603003908]
[2024-11-08 18:02:38,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [603003908] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 18:02:38,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 18:02:38,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20
[2024-11-08 18:02:38,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127953489]
[2024-11-08 18:02:38,190 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 18:02:38,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states
[2024-11-08 18:02:38,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 18:02:38,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants.
[2024-11-08 18:02:38,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380
[2024-11-08 18:02:38,192 INFO L87 Difference]: Start difference. First operand 640 states and 755 transitions. Second operand has 20 states, 20 states have (on average 8.95) internal successors, (179), 20 states have internal predecessors, (179), 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 18:02:39,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:02:39,772 INFO L93 Difference]: Finished difference Result 687 states and 835 transitions.
[2024-11-08 18:02:39,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states.
[2024-11-08 18:02:39,773 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 8.95) internal successors, (179), 20 states have internal predecessors, (179), 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 316
[2024-11-08 18:02:39,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:02:39,776 INFO L225 Difference]: With dead ends: 687
[2024-11-08 18:02:39,776 INFO L226 Difference]: Without dead ends: 681
[2024-11-08 18:02:39,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 645 GetRequests, 612 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=410, Invalid=780, Unknown=0, NotChecked=0, Total=1190
[2024-11-08 18:02:39,777 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 11 mSDsluCounter, 1778 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 2002 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-08 18:02:39,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 2002 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-08 18:02:39,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states.
[2024-11-08 18:02:39,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 659.
[2024-11-08 18:02:39,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 644 states have (on average 1.203416149068323) internal successors, (775), 647 states have internal predecessors, (775), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7)
[2024-11-08 18:02:39,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 790 transitions.
[2024-11-08 18:02:39,795 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 790 transitions. Word has length 316
[2024-11-08 18:02:39,795 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:02:39,795 INFO L471 AbstractCegarLoop]: Abstraction has 659 states and 790 transitions.
[2024-11-08 18:02:39,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 8.95) internal successors, (179), 20 states have internal predecessors, (179), 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 18:02:39,796 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 790 transitions.
[2024-11-08 18:02:39,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326
[2024-11-08 18:02:39,802 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 18:02:39,802 INFO L215 NwaCegarLoop]: trace histogram [30, 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 18:02:39,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0
[2024-11-08 18:02:40,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:02:40,003 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-11-08 18:02:40,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:02:40,004 INFO L85 PathProgramCache]: Analyzing trace with hash 656034597, now seen corresponding path program 3 times
[2024-11-08 18:02:40,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 18:02:40,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [727044612]
[2024-11-08 18:02:40,005 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-08 18:02:40,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:02:40,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:02:40,007 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:02:40,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef9f9f76-0868-4987-9650-baf507fa8e23/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process