./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for memory safety (memcleanup)
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1 --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 85752dfa9e642a242de1661b045d725551498d8fafaaba42a5d915ccb8e5b948
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 15:48:56,952 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 15:48:57,007 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-MemCleanup-32bit-Automizer_Default.epf
[2024-12-02 15:48:57,011 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 15:48:57,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 15:48:57,030 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 15:48:57,031 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 15:48:57,031 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 15:48:57,031 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 15:48:57,031 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 15:48:57,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 15:48:57,032 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 15:48:57,032 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 15:48:57,032 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 15:48:57,032 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 15:48:57,032 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 15:48:57,032 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 15:48:57,033 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 15:48:57,033 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 15:48:57,033 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 15:48:57,033 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 15:48:57,033 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 15:48:57,033 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2024-12-02 15:48:57,033 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2024-12-02 15:48:57,033 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 15:48:57,033 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 15:48:57,034 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-02 15:48:57,034 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 15:48:57,034 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 15:48:57,034 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 15:48:57,034 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 15:48:57,034 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 15:48:57,034 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 15:48:57,034 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:48:57,034 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:48:57,034 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:48:57,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:48:57,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 15:48:57,035 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:48:57,035 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:48:57,035 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:48:57,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:48:57,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 15:48:57,035 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 15:48:57,035 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 15:48:57,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 15:48:57,036 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 15:48:57,036 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 15:48:57,036 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 15:48:57,036 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 15:48:57,036 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1
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 -> 85752dfa9e642a242de1661b045d725551498d8fafaaba42a5d915ccb8e5b948
[2024-12-02 15:48:57,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 15:48:57,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 15:48:57,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 15:48:57,261 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 15:48:57,261 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 15:48:57,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i
[2024-12-02 15:48:59,854 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/data/0e2c191c2/45d3e1a78d6341d28634ccb27b707a1b/FLAG57e712e85
[2024-12-02 15:49:00,155 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 15:49:00,156 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i
[2024-12-02 15:49:00,171 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/data/0e2c191c2/45d3e1a78d6341d28634ccb27b707a1b/FLAG57e712e85
[2024-12-02 15:49:00,421 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/data/0e2c191c2/45d3e1a78d6341d28634ccb27b707a1b
[2024-12-02 15:49:00,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 15:49:00,423 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 15:49:00,424 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 15:49:00,424 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 15:49:00,427 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 15:49:00,428 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:49:00" (1/1) ...
[2024-12-02 15:49:00,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ba3a5e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:00, skipping insertion in model container
[2024-12-02 15:49:00,428 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:49:00" (1/1) ...
[2024-12-02 15:49:00,470 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 15:49:00,818 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:00,848 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:00,852 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:00,855 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:00,862 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:00,891 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:00,892 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:00,894 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:00,899 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:00,924 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:00,924 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:00,927 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:00,927 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:00,929 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:00,932 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:00,933 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:00,934 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:00,935 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:00,940 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:00,940 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:00,941 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:00,942 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:00,945 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:00,952 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:49:00,964 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)
[2024-12-02 15:49:00,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@59164662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:00, skipping insertion in model container
[2024-12-02 15:49:00,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 15:49:00,965 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner
[2024-12-02 15:49:00,967 INFO L158 Benchmark]: Toolchain (without parser) took 542.87ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 92.9MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-02 15:49:00,968 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:49:00,968 INFO L158 Benchmark]: CACSL2BoogieTranslator took 541.18ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 92.9MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-02 15:49:00,969 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 541.18ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 92.9MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- UnsupportedSyntaxResult [Line: 760]: Unsupported Syntax
Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1 --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 85752dfa9e642a242de1661b045d725551498d8fafaaba42a5d915ccb8e5b948
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 15:49:02,672 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 15:49:02,755 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf
[2024-12-02 15:49:02,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 15:49:02,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 15:49:02,783 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 15:49:02,784 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 15:49:02,784 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 15:49:02,784 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 15:49:02,785 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 15:49:02,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 15:49:02,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 15:49:02,785 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 15:49:02,785 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 15:49:02,785 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 15:49:02,785 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 15:49:02,785 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 15:49:02,786 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 15:49:02,786 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 15:49:02,786 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 15:49:02,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 15:49:02,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 15:49:02,786 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2024-12-02 15:49:02,786 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2024-12-02 15:49:02,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 15:49:02,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 15:49:02,786 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-02 15:49:02,786 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-12-02 15:49:02,787 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-12-02 15:49:02,787 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 15:49:02,787 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 15:49:02,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 15:49:02,787 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 15:49:02,787 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 15:49:02,787 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 15:49:02,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:49:02,787 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:49:02,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:49:02,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:49:02,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 15:49:02,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:49:02,787 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:49:02,788 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:49:02,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:49:02,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 15:49:02,788 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 15:49:02,788 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-12-02 15:49:02,788 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-12-02 15:49:02,788 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 15:49:02,788 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 15:49:02,788 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 15:49:02,788 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 15:49:02,788 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1
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 -> 85752dfa9e642a242de1661b045d725551498d8fafaaba42a5d915ccb8e5b948
[2024-12-02 15:49:03,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 15:49:03,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 15:49:03,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 15:49:03,048 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 15:49:03,048 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 15:49:03,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i
[2024-12-02 15:49:05,785 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/data/e69edaa13/a1d66daf2d9d4f78b0e3b0b2e9e7727b/FLAGe01b7ba8b
[2024-12-02 15:49:06,033 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 15:49:06,034 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i
[2024-12-02 15:49:06,047 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/data/e69edaa13/a1d66daf2d9d4f78b0e3b0b2e9e7727b/FLAGe01b7ba8b
[2024-12-02 15:49:06,060 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/data/e69edaa13/a1d66daf2d9d4f78b0e3b0b2e9e7727b
[2024-12-02 15:49:06,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 15:49:06,063 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 15:49:06,064 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 15:49:06,064 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 15:49:06,068 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 15:49:06,069 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:49:06" (1/1) ...
[2024-12-02 15:49:06,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f5be5bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:06, skipping insertion in model container
[2024-12-02 15:49:06,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:49:06" (1/1) ...
[2024-12-02 15:49:06,102 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 15:49:06,396 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,424 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,429 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,433 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,440 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,464 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,466 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,469 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,475 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,499 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,499 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,502 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,502 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,505 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,507 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,509 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,510 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,510 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,515 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,517 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,517 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,518 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,522 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,528 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:49:06,542 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2024-12-02 15:49:06,553 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 15:49:06,582 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,608 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,610 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,612 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,617 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,633 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,634 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,636 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,639 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,654 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,654 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,656 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,656 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,658 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,659 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,660 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,661 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,661 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,664 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,665 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,665 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,666 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,669 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-12-02 15:49:06,672 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:49:06,675 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 15:49:06,765 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:49:06,797 INFO L204 MainTranslator]: Completed translation
[2024-12-02 15:49:06,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:06 WrapperNode
[2024-12-02 15:49:06,798 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 15:49:06,799 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 15:49:06,799 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 15:49:06,799 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 15:49:06,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:06" (1/1) ...
[2024-12-02 15:49:06,832 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:06" (1/1) ...
[2024-12-02 15:49:06,898 INFO L138 Inliner]: procedures = 180, calls = 474, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1673
[2024-12-02 15:49:06,898 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 15:49:06,899 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 15:49:06,899 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 15:49:06,899 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 15:49:06,907 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:06" (1/1) ...
[2024-12-02 15:49:06,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:06" (1/1) ...
[2024-12-02 15:49:06,921 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:06" (1/1) ...
[2024-12-02 15:49:07,078 INFO L175 MemorySlicer]: Split 443 memory accesses to 3 slices as follows [2, 24, 417]. 94 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 99 writes are split as follows [0, 1, 98].
[2024-12-02 15:49:07,078 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:06" (1/1) ...
[2024-12-02 15:49:07,079 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:06" (1/1) ...
[2024-12-02 15:49:07,127 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:06" (1/1) ...
[2024-12-02 15:49:07,131 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:06" (1/1) ...
[2024-12-02 15:49:07,142 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:06" (1/1) ...
[2024-12-02 15:49:07,148 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:06" (1/1) ...
[2024-12-02 15:49:07,153 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:06" (1/1) ...
[2024-12-02 15:49:07,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 15:49:07,165 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 15:49:07,165 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 15:49:07,165 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 15:49:07,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:06" (1/1) ...
[2024-12-02 15:49:07,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:49:07,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:49:07,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 15:49:07,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 15:49:07,222 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2024-12-02 15:49:07,222 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2024-12-02 15:49:07,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0
[2024-12-02 15:49:07,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1
[2024-12-02 15:49:07,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2
[2024-12-02 15:49:07,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-12-02 15:49:07,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-12-02 15:49:07,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-12-02 15:49:07,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-12-02 15:49:07,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-12-02 15:49:07,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0
[2024-12-02 15:49:07,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1
[2024-12-02 15:49:07,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2
[2024-12-02 15:49:07,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0
[2024-12-02 15:49:07,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1
[2024-12-02 15:49:07,223 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2
[2024-12-02 15:49:07,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-12-02 15:49:07,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 15:49:07,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-12-02 15:49:07,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-12-02 15:49:07,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2
[2024-12-02 15:49:07,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-12-02 15:49:07,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-12-02 15:49:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-12-02 15:49:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-12-02 15:49:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-12-02 15:49:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-12-02 15:49:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-12-02 15:49:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2
[2024-12-02 15:49:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-12-02 15:49:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-12-02 15:49:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-12-02 15:49:07,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 15:49:07,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 15:49:07,448 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 15:49:07,450 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 15:49:22,112 INFO L? ?]: Removed 228 outVars from TransFormulas that were not future-live.
[2024-12-02 15:49:22,112 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 15:49:22,127 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 15:49:22,127 INFO L312 CfgBuilder]: Removed 56 assume(true) statements.
[2024-12-02 15:49:22,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:49:22 BoogieIcfgContainer
[2024-12-02 15:49:22,127 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 15:49:22,129 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 15:49:22,130 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 15:49:22,133 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 15:49:22,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:49:06" (1/3) ...
[2024-12-02 15:49:22,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4419c50c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:49:22, skipping insertion in model container
[2024-12-02 15:49:22,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:06" (2/3) ...
[2024-12-02 15:49:22,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4419c50c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:49:22, skipping insertion in model container
[2024-12-02 15:49:22,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:49:22" (3/3) ...
[2024-12-02 15:49:22,135 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test5-3.i
[2024-12-02 15:49:22,146 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 15:49:22,147 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_JEN_test5-3.i that has 6 procedures, 341 locations, 1 initial locations, 58 loop locations, and 2 error locations.
[2024-12-02 15:49:22,187 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 15:49:22,198 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;@2efea9d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 15:49:22,198 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-12-02 15:49:22,203 INFO L276 IsEmpty]: Start isEmpty. Operand has 333 states, 314 states have (on average 1.6496815286624205) internal successors, (518), 323 states have internal predecessors, (518), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13)
[2024-12-02 15:49:22,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-12-02 15:49:22,210 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:49:22,211 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:49:22,211 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-02 15:49:22,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:49:22,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1464046969, now seen corresponding path program 1 times
[2024-12-02 15:49:22,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 15:49:22,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [849670014]
[2024-12-02 15:49:22,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:49:22,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:49:22,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:49:22,225 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:49:22,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 15:49:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:49:22,453 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-12-02 15:49:22,458 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:49:22,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:49:22,470 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 15:49:22,470 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 15:49:22,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849670014]
[2024-12-02 15:49:22,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849670014] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:49:22,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:49:22,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 15:49:22,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648084879]
[2024-12-02 15:49:22,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:49:22,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 15:49:22,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 15:49:22,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 15:49:22,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 15:49:22,502 INFO L87 Difference]: Start difference. First operand has 333 states, 314 states have (on average 1.6496815286624205) internal successors, (518), 323 states have internal predecessors, (518), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:49:22,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:49:22,535 INFO L93 Difference]: Finished difference Result 331 states and 432 transitions.
[2024-12-02 15:49:22,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 15:49:22,537 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2024-12-02 15:49:22,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:49:22,546 INFO L225 Difference]: With dead ends: 331
[2024-12-02 15:49:22,546 INFO L226 Difference]: Without dead ends: 329
[2024-12-02 15:49:22,547 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 15:49:22,550 INFO L435 NwaCegarLoop]: 432 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, 432 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
[2024-12-02 15:49:22,551 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:49:22,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states.
[2024-12-02 15:49:22,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329.
[2024-12-02 15:49:22,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 312 states have (on average 1.3012820512820513) internal successors, (406), 319 states have internal predecessors, (406), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11)
[2024-12-02 15:49:22,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 430 transitions.
[2024-12-02 15:49:22,599 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 430 transitions. Word has length 11
[2024-12-02 15:49:22,600 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:49:22,600 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 430 transitions.
[2024-12-02 15:49:22,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:49:22,600 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 430 transitions.
[2024-12-02 15:49:22,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-12-02 15:49:22,600 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:49:22,600 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:49:22,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 15:49:22,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:49:22,801 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-02 15:49:22,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:49:22,802 INFO L85 PathProgramCache]: Analyzing trace with hash -379024097, now seen corresponding path program 1 times
[2024-12-02 15:49:22,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 15:49:22,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2043141561]
[2024-12-02 15:49:22,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:49:22,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:49:22,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:49:22,804 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:49:22,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 15:49:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:49:22,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 15:49:22,959 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:49:22,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:49:22,980 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 15:49:22,980 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 15:49:22,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043141561]
[2024-12-02 15:49:22,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043141561] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:49:22,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:49:22,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 15:49:22,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891743323]
[2024-12-02 15:49:22,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:49:22,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 15:49:22,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 15:49:22,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 15:49:22,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:49:22,982 INFO L87 Difference]: Start difference. First operand 329 states and 430 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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)
[2024-12-02 15:49:23,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:49:23,160 INFO L93 Difference]: Finished difference Result 586 states and 769 transitions.
[2024-12-02 15:49:23,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 15:49:23,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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
[2024-12-02 15:49:23,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:49:23,166 INFO L225 Difference]: With dead ends: 586
[2024-12-02 15:49:23,166 INFO L226 Difference]: Without dead ends: 586
[2024-12-02 15:49:23,167 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:49:23,167 INFO L435 NwaCegarLoop]: 426 mSDtfsCounter, 314 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:49:23,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 846 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:49:23,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states.
[2024-12-02 15:49:23,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 331.
[2024-12-02 15:49:23,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 314 states have (on average 1.2993630573248407) internal successors, (408), 321 states have internal predecessors, (408), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11)
[2024-12-02 15:49:23,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 432 transitions.
[2024-12-02 15:49:23,189 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 432 transitions. Word has length 11
[2024-12-02 15:49:23,189 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:49:23,189 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 432 transitions.
[2024-12-02 15:49:23,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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)
[2024-12-02 15:49:23,189 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 432 transitions.
[2024-12-02 15:49:23,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155
[2024-12-02 15:49:23,193 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:49:23,193 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:49:23,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 15:49:23,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:49:23,394 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-02 15:49:23,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:49:23,394 INFO L85 PathProgramCache]: Analyzing trace with hash -891715380, now seen corresponding path program 1 times
[2024-12-02 15:49:23,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 15:49:23,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [363676163]
[2024-12-02 15:49:23,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:49:23,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:49:23,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:49:23,397 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:49:23,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 15:49:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:49:23,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 15:49:23,927 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:49:24,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:49:24,851 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 15:49:24,851 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 15:49:24,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363676163]
[2024-12-02 15:49:24,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363676163] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:49:24,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:49:24,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 15:49:24,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222794677]
[2024-12-02 15:49:24,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:49:24,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 15:49:24,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 15:49:24,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 15:49:24,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:49:24,853 INFO L87 Difference]: Start difference. First operand 331 states and 432 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:49:25,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:49:25,305 INFO L93 Difference]: Finished difference Result 575 states and 756 transitions.
[2024-12-02 15:49:25,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 15:49:25,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 154
[2024-12-02 15:49:25,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:49:25,313 INFO L225 Difference]: With dead ends: 575
[2024-12-02 15:49:25,313 INFO L226 Difference]: Without dead ends: 575
[2024-12-02 15:49:25,313 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:49:25,314 INFO L435 NwaCegarLoop]: 483 mSDtfsCounter, 218 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 15:49:25,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 899 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 15:49:25,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states.
[2024-12-02 15:49:25,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 517.
[2024-12-02 15:49:25,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 492 states have (on average 1.3008130081300813) internal successors, (640), 504 states have internal predecessors, (640), 21 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (19), 11 states have call predecessors, (19), 19 states have call successors, (19)
[2024-12-02 15:49:25,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 680 transitions.
[2024-12-02 15:49:25,334 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 680 transitions. Word has length 154
[2024-12-02 15:49:25,335 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:49:25,335 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 680 transitions.
[2024-12-02 15:49:25,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:49:25,335 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 680 transitions.
[2024-12-02 15:49:25,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170
[2024-12-02 15:49:25,338 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:49:25,338 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:49:25,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 15:49:25,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:49:25,538 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-02 15:49:25,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:49:25,539 INFO L85 PathProgramCache]: Analyzing trace with hash -148529416, now seen corresponding path program 1 times
[2024-12-02 15:49:25,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 15:49:25,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1903359396]
[2024-12-02 15:49:25,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:49:25,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:49:25,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:49:25,543 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:49:25,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-02 15:49:26,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:49:26,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 15:49:26,136 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:49:26,448 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 15:49:26,448 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 15:49:26,448 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 15:49:26,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903359396]
[2024-12-02 15:49:26,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903359396] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:49:26,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:49:26,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 15:49:26,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936110573]
[2024-12-02 15:49:26,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:49:26,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 15:49:26,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 15:49:26,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 15:49:26,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:49:26,450 INFO L87 Difference]: Start difference. First operand 517 states and 680 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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)
[2024-12-02 15:49:27,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:49:27,077 INFO L93 Difference]: Finished difference Result 569 states and 748 transitions.
[2024-12-02 15:49:27,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 15:49:27,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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 169
[2024-12-02 15:49:27,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:49:27,080 INFO L225 Difference]: With dead ends: 569
[2024-12-02 15:49:27,080 INFO L226 Difference]: Without dead ends: 569
[2024-12-02 15:49:27,080 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:49:27,080 INFO L435 NwaCegarLoop]: 420 mSDtfsCounter, 85 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 15:49:27,081 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 829 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-02 15:49:27,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states.
[2024-12-02 15:49:27,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 515.
[2024-12-02 15:49:27,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 490 states have (on average 1.3) internal successors, (637), 502 states have internal predecessors, (637), 21 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (19), 11 states have call predecessors, (19), 19 states have call successors, (19)
[2024-12-02 15:49:27,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 677 transitions.
[2024-12-02 15:49:27,099 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 677 transitions. Word has length 169
[2024-12-02 15:49:27,099 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:49:27,099 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 677 transitions.
[2024-12-02 15:49:27,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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)
[2024-12-02 15:49:27,099 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 677 transitions.
[2024-12-02 15:49:27,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185
[2024-12-02 15:49:27,101 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:49:27,102 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:49:27,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-02 15:49:27,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:49:27,302 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-02 15:49:27,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:49:27,303 INFO L85 PathProgramCache]: Analyzing trace with hash -2010999335, now seen corresponding path program 1 times
[2024-12-02 15:49:27,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 15:49:27,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1142947206]
[2024-12-02 15:49:27,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:49:27,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:49:27,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:49:27,305 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:49:27,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-12-02 15:49:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:49:27,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 15:49:27,873 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:49:27,963 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-12-02 15:49:27,964 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 15:49:27,964 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 15:49:27,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142947206]
[2024-12-02 15:49:27,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1142947206] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:49:27,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:49:27,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:49:27,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262435098]
[2024-12-02 15:49:27,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:49:27,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:49:27,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 15:49:27,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:49:27,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:49:27,966 INFO L87 Difference]: Start difference. First operand 515 states and 677 transitions. Second operand has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-12-02 15:49:28,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:49:28,129 INFO L93 Difference]: Finished difference Result 533 states and 685 transitions.
[2024-12-02 15:49:28,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 15:49:28,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 184
[2024-12-02 15:49:28,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:49:28,133 INFO L225 Difference]: With dead ends: 533
[2024-12-02 15:49:28,133 INFO L226 Difference]: Without dead ends: 533
[2024-12-02 15:49:28,133 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:49:28,133 INFO L435 NwaCegarLoop]: 400 mSDtfsCounter, 22 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 1177 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:49:28,134 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 1177 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:49:28,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states.
[2024-12-02 15:49:28,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 531.
[2024-12-02 15:49:28,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 506 states have (on average 1.2707509881422925) internal successors, (643), 518 states have internal predecessors, (643), 21 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (19), 11 states have call predecessors, (19), 19 states have call successors, (19)
[2024-12-02 15:49:28,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 683 transitions.
[2024-12-02 15:49:28,150 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 683 transitions. Word has length 184
[2024-12-02 15:49:28,150 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:49:28,150 INFO L471 AbstractCegarLoop]: Abstraction has 531 states and 683 transitions.
[2024-12-02 15:49:28,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-12-02 15:49:28,150 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 683 transitions.
[2024-12-02 15:49:28,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185
[2024-12-02 15:49:28,153 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:49:28,153 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:49:28,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-12-02 15:49:28,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:49:28,353 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-02 15:49:28,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:49:28,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1616586071, now seen corresponding path program 1 times
[2024-12-02 15:49:28,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 15:49:28,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1088596319]
[2024-12-02 15:49:28,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:49:28,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:49:28,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:49:28,356 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:49:28,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-12-02 15:49:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:49:28,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 15:49:28,985 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:49:29,004 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2024-12-02 15:49:29,004 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 15:49:29,004 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 15:49:29,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088596319]
[2024-12-02 15:49:29,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088596319] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:49:29,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:49:29,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 15:49:29,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956619452]
[2024-12-02 15:49:29,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:49:29,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 15:49:29,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 15:49:29,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 15:49:29,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:49:29,006 INFO L87 Difference]: Start difference. First operand 531 states and 683 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-12-02 15:49:29,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:49:29,140 INFO L93 Difference]: Finished difference Result 571 states and 723 transitions.
[2024-12-02 15:49:29,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 15:49:29,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 2 states have call successors, (5), 2 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 184
[2024-12-02 15:49:29,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:49:29,143 INFO L225 Difference]: With dead ends: 571
[2024-12-02 15:49:29,143 INFO L226 Difference]: Without dead ends: 571
[2024-12-02 15:49:29,143 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:49:29,144 INFO L435 NwaCegarLoop]: 401 mSDtfsCounter, 8 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:49:29,144 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 787 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:49:29,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states.
[2024-12-02 15:49:29,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 571.
[2024-12-02 15:49:29,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 546 states have (on average 1.250915750915751) internal successors, (683), 558 states have internal predecessors, (683), 21 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (19), 11 states have call predecessors, (19), 19 states have call successors, (19)
[2024-12-02 15:49:29,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 723 transitions.
[2024-12-02 15:49:29,155 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 723 transitions. Word has length 184
[2024-12-02 15:49:29,156 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:49:29,156 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 723 transitions.
[2024-12-02 15:49:29,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-12-02 15:49:29,156 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 723 transitions.
[2024-12-02 15:49:29,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185
[2024-12-02 15:49:29,158 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:49:29,159 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:49:29,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-12-02 15:49:29,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:49:29,359 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-02 15:49:29,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:49:29,359 INFO L85 PathProgramCache]: Analyzing trace with hash -644987179, now seen corresponding path program 1 times
[2024-12-02 15:49:29,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 15:49:29,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [992108348]
[2024-12-02 15:49:29,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:49:29,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:49:29,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:49:29,362 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:49:29,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-12-02 15:49:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:49:30,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 15:49:30,087 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:49:30,113 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.
[2024-12-02 15:49:30,113 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 15:49:30,113 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 15:49:30,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992108348]
[2024-12-02 15:49:30,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992108348] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:49:30,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:49:30,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 15:49:30,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648760588]
[2024-12-02 15:49:30,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:49:30,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 15:49:30,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 15:49:30,114 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 15:49:30,115 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:49:30,115 INFO L87 Difference]: Start difference. First operand 571 states and 723 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-12-02 15:49:30,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:49:30,279 INFO L93 Difference]: Finished difference Result 611 states and 763 transitions.
[2024-12-02 15:49:30,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 15:49:30,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 184
[2024-12-02 15:49:30,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:49:30,282 INFO L225 Difference]: With dead ends: 611
[2024-12-02 15:49:30,282 INFO L226 Difference]: Without dead ends: 611
[2024-12-02 15:49:30,283 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:49:30,283 INFO L435 NwaCegarLoop]: 401 mSDtfsCounter, 8 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:49:30,284 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 787 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:49:30,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states.
[2024-12-02 15:49:30,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 611.
[2024-12-02 15:49:30,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 586 states have (on average 1.233788395904437) internal successors, (723), 598 states have internal predecessors, (723), 21 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (19), 11 states have call predecessors, (19), 19 states have call successors, (19)
[2024-12-02 15:49:30,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 763 transitions.
[2024-12-02 15:49:30,299 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 763 transitions. Word has length 184
[2024-12-02 15:49:30,300 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:49:30,300 INFO L471 AbstractCegarLoop]: Abstraction has 611 states and 763 transitions.
[2024-12-02 15:49:30,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-12-02 15:49:30,300 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 763 transitions.
[2024-12-02 15:49:30,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185
[2024-12-02 15:49:30,303 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:49:30,303 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:49:30,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-12-02 15:49:30,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:49:30,503 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-02 15:49:30,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:49:30,504 INFO L85 PathProgramCache]: Analyzing trace with hash -510973673, now seen corresponding path program 1 times
[2024-12-02 15:49:30,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 15:49:30,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [365086843]
[2024-12-02 15:49:30,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:49:30,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:49:30,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:49:30,507 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:49:30,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-12-02 15:49:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:49:31,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 15:49:31,142 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:49:31,688 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-12-02 15:49:31,689 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 15:49:31,689 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 15:49:31,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365086843]
[2024-12-02 15:49:31,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365086843] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:49:31,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:49:31,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:49:31,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555389645]
[2024-12-02 15:49:31,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:49:31,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:49:31,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 15:49:31,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:49:31,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:49:31,690 INFO L87 Difference]: Start difference. First operand 611 states and 763 transitions. Second operand has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-12-02 15:49:35,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 15:49:39,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 15:49:45,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 15:49:49,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 15:49:55,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-12-02 15:49:57,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:49:57,079 INFO L93 Difference]: Finished difference Result 534 states and 660 transitions.
[2024-12-02 15:49:57,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 15:49:57,080 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 184
[2024-12-02 15:49:57,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:49:57,081 INFO L225 Difference]: With dead ends: 534
[2024-12-02 15:49:57,081 INFO L226 Difference]: Without dead ends: 534
[2024-12-02 15:49:57,082 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:49:57,082 INFO L435 NwaCegarLoop]: 486 mSDtfsCounter, 533 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 16 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.4s IncrementalHoareTripleChecker+Time
[2024-12-02 15:49:57,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 738 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 125 Invalid, 5 Unknown, 0 Unchecked, 25.4s Time]
[2024-12-02 15:49:57,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states.
[2024-12-02 15:49:57,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 534.
[2024-12-02 15:49:57,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 514 states have (on average 1.2256809338521402) internal successors, (630), 521 states have internal predecessors, (630), 16 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14)
[2024-12-02 15:49:57,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 660 transitions.
[2024-12-02 15:49:57,091 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 660 transitions. Word has length 184
[2024-12-02 15:49:57,091 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:49:57,091 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 660 transitions.
[2024-12-02 15:49:57,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-12-02 15:49:57,092 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 660 transitions.
[2024-12-02 15:49:57,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193
[2024-12-02 15:49:57,093 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:49:57,093 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:49:57,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-12-02 15:49:57,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:49:57,293 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-02 15:49:57,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:49:57,294 INFO L85 PathProgramCache]: Analyzing trace with hash 51316677, now seen corresponding path program 1 times
[2024-12-02 15:49:57,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 15:49:57,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [317862275]
[2024-12-02 15:49:57,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:49:57,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:49:57,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:49:57,296 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:49:57,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-12-02 15:49:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:49:57,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 15:49:57,973 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:49:58,012 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2024-12-02 15:49:58,012 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 15:49:58,012 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 15:49:58,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317862275]
[2024-12-02 15:49:58,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317862275] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:49:58,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:49:58,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:49:58,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078218542]
[2024-12-02 15:49:58,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:49:58,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:49:58,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 15:49:58,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:49:58,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:49:58,014 INFO L87 Difference]: Start difference. First operand 534 states and 660 transitions. Second operand has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-12-02 15:49:58,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:49:58,142 INFO L93 Difference]: Finished difference Result 498 states and 602 transitions.
[2024-12-02 15:49:58,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 15:49:58,143 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 2 states have call successors, (5), 2 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 192
[2024-12-02 15:49:58,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:49:58,144 INFO L225 Difference]: With dead ends: 498
[2024-12-02 15:49:58,144 INFO L226 Difference]: Without dead ends: 498
[2024-12-02 15:49:58,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:49:58,145 INFO L435 NwaCegarLoop]: 386 mSDtfsCounter, 32 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 1144 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:49:58,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 1144 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:49:58,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states.
[2024-12-02 15:49:58,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 498.
[2024-12-02 15:49:58,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 478 states have (on average 1.1966527196652719) internal successors, (572), 485 states have internal predecessors, (572), 16 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14)
[2024-12-02 15:49:58,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 602 transitions.
[2024-12-02 15:49:58,156 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 602 transitions. Word has length 192
[2024-12-02 15:49:58,157 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:49:58,157 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 602 transitions.
[2024-12-02 15:49:58,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.25) internal successors, (177), 4 states have internal predecessors, (177), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-12-02 15:49:58,157 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 602 transitions.
[2024-12-02 15:49:58,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193
[2024-12-02 15:49:58,158 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:49:58,158 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:49:58,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-12-02 15:49:58,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:49:58,359 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-02 15:49:58,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:49:58,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1259600595, now seen corresponding path program 1 times
[2024-12-02 15:49:58,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 15:49:58,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2004545929]
[2024-12-02 15:49:58,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:49:58,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:49:58,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:49:58,361 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:49:58,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-12-02 15:49:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:49:59,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 15:49:59,050 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:49:59,088 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.
[2024-12-02 15:49:59,088 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 15:49:59,088 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 15:49:59,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004545929]
[2024-12-02 15:49:59,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004545929] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:49:59,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:49:59,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:49:59,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012268764]
[2024-12-02 15:49:59,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:49:59,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:49:59,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 15:49:59,090 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:49:59,090 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:49:59,090 INFO L87 Difference]: Start difference. First operand 498 states and 602 transitions. Second operand has 4 states, 4 states have (on average 43.5) internal successors, (174), 4 states have internal predecessors, (174), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-12-02 15:49:59,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:49:59,230 INFO L93 Difference]: Finished difference Result 480 states and 573 transitions.
[2024-12-02 15:49:59,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 15:49:59,231 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.5) internal successors, (174), 4 states have internal predecessors, (174), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 192
[2024-12-02 15:49:59,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:49:59,233 INFO L225 Difference]: With dead ends: 480
[2024-12-02 15:49:59,233 INFO L226 Difference]: Without dead ends: 480
[2024-12-02 15:49:59,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:49:59,234 INFO L435 NwaCegarLoop]: 374 mSDtfsCounter, 32 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:49:59,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 1108 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:49:59,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states.
[2024-12-02 15:49:59,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 480.
[2024-12-02 15:49:59,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 460 states have (on average 1.1804347826086956) internal successors, (543), 467 states have internal predecessors, (543), 16 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14)
[2024-12-02 15:49:59,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 573 transitions.
[2024-12-02 15:49:59,245 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 573 transitions. Word has length 192
[2024-12-02 15:49:59,245 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:49:59,245 INFO L471 AbstractCegarLoop]: Abstraction has 480 states and 573 transitions.
[2024-12-02 15:49:59,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.5) internal successors, (174), 4 states have internal predecessors, (174), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-12-02 15:49:59,246 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 573 transitions.
[2024-12-02 15:49:59,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193
[2024-12-02 15:49:59,247 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:49:59,247 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:49:59,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2024-12-02 15:49:59,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:49:59,448 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-02 15:49:59,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:49:59,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1011430523, now seen corresponding path program 1 times
[2024-12-02 15:49:59,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 15:49:59,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [867257112]
[2024-12-02 15:49:59,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:49:59,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:49:59,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:49:59,451 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:49:59,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-12-02 15:50:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:50:00,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-02 15:50:00,166 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:50:00,222 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-12-02 15:50:00,222 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 15:50:00,223 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 15:50:00,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867257112]
[2024-12-02 15:50:00,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867257112] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:50:00,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:50:00,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 15:50:00,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682023509]
[2024-12-02 15:50:00,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:50:00,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:50:00,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 15:50:00,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:50:00,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:50:00,224 INFO L87 Difference]: Start difference. First operand 480 states and 573 transitions. Second operand has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-12-02 15:50:00,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:50:00,329 INFO L93 Difference]: Finished difference Result 456 states and 535 transitions.
[2024-12-02 15:50:00,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 15:50:00,329 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 192
[2024-12-02 15:50:00,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:50:00,331 INFO L225 Difference]: With dead ends: 456
[2024-12-02 15:50:00,332 INFO L226 Difference]: Without dead ends: 456
[2024-12-02 15:50:00,332 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:50:00,332 INFO L435 NwaCegarLoop]: 370 mSDtfsCounter, 18 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 1098 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:50:00,332 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 1098 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:50:00,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states.
[2024-12-02 15:50:00,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 456.
[2024-12-02 15:50:00,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 436 states have (on average 1.158256880733945) internal successors, (505), 443 states have internal predecessors, (505), 16 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14)
[2024-12-02 15:50:00,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 535 transitions.
[2024-12-02 15:50:00,346 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 535 transitions. Word has length 192
[2024-12-02 15:50:00,346 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:50:00,346 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 535 transitions.
[2024-12-02 15:50:00,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-12-02 15:50:00,346 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 535 transitions.
[2024-12-02 15:50:00,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193
[2024-12-02 15:50:00,347 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:50:00,347 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:50:00,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0
[2024-12-02 15:50:00,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:50:00,548 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-02 15:50:00,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:50:00,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1057259537, now seen corresponding path program 1 times
[2024-12-02 15:50:00,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 15:50:00,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [767418021]
[2024-12-02 15:50:00,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:50:00,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:50:00,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:50:00,551 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:50:00,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2024-12-02 15:50:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:50:01,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 15:50:01,315 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:50:01,347 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-12-02 15:50:01,348 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 15:50:01,348 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 15:50:01,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767418021]
[2024-12-02 15:50:01,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [767418021] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:50:01,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:50:01,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:50:01,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94697292]
[2024-12-02 15:50:01,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:50:01,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:50:01,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 15:50:01,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:50:01,349 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:50:01,349 INFO L87 Difference]: Start difference. First operand 456 states and 535 transitions. Second operand has 4 states, 4 states have (on average 45.0) internal successors, (180), 4 states have internal predecessors, (180), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-12-02 15:50:01,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:50:01,426 INFO L93 Difference]: Finished difference Result 459 states and 541 transitions.
[2024-12-02 15:50:01,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 15:50:01,427 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 45.0) internal successors, (180), 4 states have internal predecessors, (180), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 192
[2024-12-02 15:50:01,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:50:01,429 INFO L225 Difference]: With dead ends: 459
[2024-12-02 15:50:01,429 INFO L226 Difference]: Without dead ends: 459
[2024-12-02 15:50:01,429 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:50:01,430 INFO L435 NwaCegarLoop]: 385 mSDtfsCounter, 0 mSDsluCounter, 763 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1148 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:50:01,430 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1148 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:50:01,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states.
[2024-12-02 15:50:01,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 459.
[2024-12-02 15:50:01,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 438 states have (on average 1.1598173515981736) internal successors, (508), 446 states have internal predecessors, (508), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (17), 10 states have call predecessors, (17), 14 states have call successors, (17)
[2024-12-02 15:50:01,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 541 transitions.
[2024-12-02 15:50:01,440 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 541 transitions. Word has length 192
[2024-12-02 15:50:01,440 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:50:01,440 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 541 transitions.
[2024-12-02 15:50:01,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 45.0) internal successors, (180), 4 states have internal predecessors, (180), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-12-02 15:50:01,441 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 541 transitions.
[2024-12-02 15:50:01,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197
[2024-12-02 15:50:01,442 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:50:01,442 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:50:01,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0
[2024-12-02 15:50:01,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:50:01,643 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-02 15:50:01,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:50:01,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1629590451, now seen corresponding path program 1 times
[2024-12-02 15:50:01,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 15:50:01,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [599636410]
[2024-12-02 15:50:01,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:50:01,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:50:01,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:50:01,646 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:50:01,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2024-12-02 15:50:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:50:02,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 908 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 15:50:02,352 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:50:02,800 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked.
[2024-12-02 15:50:02,800 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 15:50:03,386 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked.
[2024-12-02 15:50:03,387 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 15:50:03,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599636410]
[2024-12-02 15:50:03,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599636410] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 15:50:03,387 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 15:50:03,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6
[2024-12-02 15:50:03,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601221299]
[2024-12-02 15:50:03,387 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 15:50:03,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 15:50:03,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 15:50:03,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 15:50:03,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 15:50:03,389 INFO L87 Difference]: Start difference. First operand 459 states and 541 transitions. Second operand has 6 states, 6 states have (on average 49.0) internal successors, (294), 6 states have internal predecessors, (294), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8)
[2024-12-02 15:50:03,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:50:03,925 INFO L93 Difference]: Finished difference Result 995 states and 1181 transitions.
[2024-12-02 15:50:03,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 15:50:03,925 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 49.0) internal successors, (294), 6 states have internal predecessors, (294), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 196
[2024-12-02 15:50:03,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:50:03,928 INFO L225 Difference]: With dead ends: 995
[2024-12-02 15:50:03,928 INFO L226 Difference]: Without dead ends: 995
[2024-12-02 15:50:03,928 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42
[2024-12-02 15:50:03,928 INFO L435 NwaCegarLoop]: 568 mSDtfsCounter, 1114 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1134 SdHoareTripleChecker+Valid, 1699 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 15:50:03,928 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1134 Valid, 1699 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 15:50:03,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states.
[2024-12-02 15:50:03,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 917.
[2024-12-02 15:50:03,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 917 states, 882 states have (on average 1.155328798185941) internal successors, (1019), 895 states have internal predecessors, (1019), 30 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (36), 20 states have call predecessors, (36), 28 states have call successors, (36)
[2024-12-02 15:50:03,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 917 states and 1085 transitions.
[2024-12-02 15:50:03,949 INFO L78 Accepts]: Start accepts. Automaton has 917 states and 1085 transitions. Word has length 196
[2024-12-02 15:50:03,949 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:50:03,949 INFO L471 AbstractCegarLoop]: Abstraction has 917 states and 1085 transitions.
[2024-12-02 15:50:03,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 49.0) internal successors, (294), 6 states have internal predecessors, (294), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8)
[2024-12-02 15:50:03,950 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1085 transitions.
[2024-12-02 15:50:03,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518
[2024-12-02 15:50:03,953 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:50:03,954 INFO L218 NwaCegarLoop]: trace histogram [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, 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, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:50:03,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0
[2024-12-02 15:50:04,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:50:04,154 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-02 15:50:04,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:50:04,155 INFO L85 PathProgramCache]: Analyzing trace with hash 112384264, now seen corresponding path program 1 times
[2024-12-02 15:50:04,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 15:50:04,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [112338516]
[2024-12-02 15:50:04,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:50:04,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:50:04,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:50:04,158 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:50:04,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process
[2024-12-02 15:50:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:50:05,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 2351 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-02 15:50:05,668 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:50:05,735 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 149 proven. 1 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked.
[2024-12-02 15:50:05,735 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 15:50:05,895 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 121 proven. 13 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked.
[2024-12-02 15:50:05,896 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 15:50:05,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112338516]
[2024-12-02 15:50:05,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112338516] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 15:50:05,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 15:50:05,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8
[2024-12-02 15:50:05,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941300467]
[2024-12-02 15:50:05,896 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 15:50:05,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-12-02 15:50:05,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 15:50:05,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-12-02 15:50:05,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-12-02 15:50:05,898 INFO L87 Difference]: Start difference. First operand 917 states and 1085 transitions. Second operand has 8 states, 8 states have (on average 28.75) internal successors, (230), 8 states have internal predecessors, (230), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7)
[2024-12-02 15:50:06,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:50:06,130 INFO L93 Difference]: Finished difference Result 928 states and 1116 transitions.
[2024-12-02 15:50:06,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-12-02 15:50:06,131 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 28.75) internal successors, (230), 8 states have internal predecessors, (230), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 517
[2024-12-02 15:50:06,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:50:06,134 INFO L225 Difference]: With dead ends: 928
[2024-12-02 15:50:06,134 INFO L226 Difference]: Without dead ends: 928
[2024-12-02 15:50:06,134 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1035 GetRequests, 1026 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110
[2024-12-02 15:50:06,134 INFO L435 NwaCegarLoop]: 383 mSDtfsCounter, 4 mSDsluCounter, 1140 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1523 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 15:50:06,134 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1523 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 15:50:06,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states.
[2024-12-02 15:50:06,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 926.
[2024-12-02 15:50:06,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 890 states have (on average 1.1606741573033708) internal successors, (1033), 903 states have internal predecessors, (1033), 30 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (44), 20 states have call predecessors, (44), 28 states have call successors, (44)
[2024-12-02 15:50:06,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1107 transitions.
[2024-12-02 15:50:06,146 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1107 transitions. Word has length 517
[2024-12-02 15:50:06,147 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:50:06,147 INFO L471 AbstractCegarLoop]: Abstraction has 926 states and 1107 transitions.
[2024-12-02 15:50:06,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 28.75) internal successors, (230), 8 states have internal predecessors, (230), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7)
[2024-12-02 15:50:06,147 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1107 transitions.
[2024-12-02 15:50:06,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526
[2024-12-02 15:50:06,151 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:50:06,151 INFO L218 NwaCegarLoop]: trace histogram [12, 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, 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, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:50:06,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0
[2024-12-02 15:50:06,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:50:06,352 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-02 15:50:06,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:50:06,352 INFO L85 PathProgramCache]: Analyzing trace with hash -2079574268, now seen corresponding path program 2 times
[2024-12-02 15:50:06,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 15:50:06,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [505233576]
[2024-12-02 15:50:06,354 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 15:50:06,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:50:06,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:50:06,355 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:50:06,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process
[2024-12-02 15:50:07,969 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 15:50:07,969 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 15:50:08,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 2439 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-02 15:50:08,046 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:50:08,159 INFO L134 CoverageAnalysis]: Checked inductivity of 772 backedges. 163 proven. 3 refuted. 0 times theorem prover too weak. 606 trivial. 0 not checked.
[2024-12-02 15:50:08,159 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 15:50:08,401 INFO L134 CoverageAnalysis]: Checked inductivity of 772 backedges. 115 proven. 48 refuted. 0 times theorem prover too weak. 609 trivial. 0 not checked.
[2024-12-02 15:50:08,402 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 15:50:08,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505233576]
[2024-12-02 15:50:08,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505233576] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 15:50:08,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-12-02 15:50:08,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10
[2024-12-02 15:50:08,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000019077]
[2024-12-02 15:50:08,402 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-12-02 15:50:08,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-02 15:50:08,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 15:50:08,404 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-02 15:50:08,404 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2024-12-02 15:50:08,404 INFO L87 Difference]: Start difference. First operand 926 states and 1107 transitions. Second operand has 10 states, 10 states have (on average 23.2) internal successors, (232), 10 states have internal predecessors, (232), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8)
[2024-12-02 15:50:08,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:50:08,785 INFO L93 Difference]: Finished difference Result 934 states and 1117 transitions.
[2024-12-02 15:50:08,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-12-02 15:50:08,786 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 23.2) internal successors, (232), 10 states have internal predecessors, (232), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 525
[2024-12-02 15:50:08,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:50:08,788 INFO L225 Difference]: With dead ends: 934
[2024-12-02 15:50:08,788 INFO L226 Difference]: Without dead ends: 932
[2024-12-02 15:50:08,788 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1053 GetRequests, 1040 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210
[2024-12-02 15:50:08,789 INFO L435 NwaCegarLoop]: 385 mSDtfsCounter, 6 mSDsluCounter, 1146 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1531 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 15:50:08,789 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1531 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 15:50:08,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states.
[2024-12-02 15:50:08,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 930.
[2024-12-02 15:50:08,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 930 states, 894 states have (on average 1.162192393736018) internal successors, (1039), 907 states have internal predecessors, (1039), 30 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (36), 20 states have call predecessors, (36), 28 states have call successors, (36)
[2024-12-02 15:50:08,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1105 transitions.
[2024-12-02 15:50:08,803 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1105 transitions. Word has length 525
[2024-12-02 15:50:08,803 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:50:08,803 INFO L471 AbstractCegarLoop]: Abstraction has 930 states and 1105 transitions.
[2024-12-02 15:50:08,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 23.2) internal successors, (232), 10 states have internal predecessors, (232), 2 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8)
[2024-12-02 15:50:08,804 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1105 transitions.
[2024-12-02 15:50:08,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534
[2024-12-02 15:50:08,807 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:50:08,807 INFO L218 NwaCegarLoop]: trace histogram [20, 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, 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, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:50:08,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0
[2024-12-02 15:50:09,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:50:09,007 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2024-12-02 15:50:09,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:50:09,008 INFO L85 PathProgramCache]: Analyzing trace with hash 212688004, now seen corresponding path program 3 times
[2024-12-02 15:50:09,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 15:50:09,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [369973587]
[2024-12-02 15:50:09,009 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 15:50:09,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:50:09,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:50:09,011 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:50:09,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f13f0a3d-32f8-42cc-b9a2-1bcc391beeff/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process