./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for memory safety (memcleanup)
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 67499ec0709cfdcc368630c5b1d94f26157589b8bf16f22cf5d62554760c6dd7
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:33:54,880 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:33:54,995 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-MemCleanup-32bit-Automizer_Default.epf
[2023-11-19 07:33:55,005 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:33:55,006 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:33:55,048 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:33:55,049 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:33:55,050 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:33:55,051 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:33:55,056 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:33:55,058 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:33:55,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:33:55,059 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:33:55,061 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:33:55,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:33:55,062 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:33:55,063 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:33:55,063 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:33:55,064 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:33:55,064 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:33:55,064 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2023-11-19 07:33:55,065 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2023-11-19 07:33:55,066 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:33:55,066 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:33:55,066 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-19 07:33:55,067 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:33:55,067 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:33:55,068 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:33:55,068 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:33:55,069 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:33:55,070 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:33:55,070 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:33:55,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:33:55,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:33:55,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:33:55,086 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:33:55,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:33:55,086 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:33:55,087 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:33:55,087 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:33:55,087 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:33:55,088 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67499ec0709cfdcc368630c5b1d94f26157589b8bf16f22cf5d62554760c6dd7
[2023-11-19 07:33:55,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:33:55,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:33:55,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:33:55,415 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:33:55,416 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:33:55,417 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i
[2023-11-19 07:33:58,657 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:33:59,010 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:33:59,010 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i
[2023-11-19 07:33:59,032 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/data/b6d7a17df/d078f6e81acd44aab32924ab0bbe38b1/FLAG82b70b5bb
[2023-11-19 07:33:59,045 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/data/b6d7a17df/d078f6e81acd44aab32924ab0bbe38b1
[2023-11-19 07:33:59,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:33:59,049 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:33:59,051 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:33:59,051 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:33:59,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:33:59,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:33:59" (1/1) ...
[2023-11-19 07:33:59,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b6c9bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:59, skipping insertion in model container
[2023-11-19 07:33:59,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:33:59" (1/1) ...
[2023-11-19 07:33:59,136 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:33:59,770 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:33:59,781 ERROR L324 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)
[2023-11-19 07:33:59,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6584a081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:59, skipping insertion in model container
[2023-11-19 07:33:59,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:33:59,817 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner
[2023-11-19 07:33:59,819 INFO L158 Benchmark]: Toolchain (without parser) took 768.82ms. Allocated memory was 107.0MB in the beginning and 155.2MB in the end (delta: 48.2MB). Free memory was 61.7MB in the beginning and 127.3MB in the end (delta: -65.6MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB.
[2023-11-19 07:33:59,820 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 107.0MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:33:59,821 INFO L158 Benchmark]: CACSL2BoogieTranslator took 766.04ms. Allocated memory was 107.0MB in the beginning and 155.2MB in the end (delta: 48.2MB). Free memory was 61.4MB in the beginning and 127.3MB in the end (delta: -65.9MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB.
[2023-11-19 07:33:59,823 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.35ms. Allocated memory is still 107.0MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 766.04ms. Allocated memory was 107.0MB in the beginning and 155.2MB in the end (delta: 48.2MB). Free memory was 61.4MB in the beginning and 127.3MB in the end (delta: -65.9MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- UnsupportedSyntaxResult [Line: 716]: Unsupported Syntax
Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 67499ec0709cfdcc368630c5b1d94f26157589b8bf16f22cf5d62554760c6dd7
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:34:02,352 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:34:02,488 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf
[2023-11-19 07:34:02,497 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:34:02,497 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:34:02,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:34:02,551 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:34:02,552 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:34:02,555 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:34:02,561 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:34:02,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:34:02,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:34:02,563 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:34:02,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:34:02,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:34:02,567 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:34:02,567 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:34:02,568 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:34:02,568 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:34:02,569 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:34:02,569 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2023-11-19 07:34:02,570 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2023-11-19 07:34:02,570 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:34:02,571 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:34:02,571 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-19 07:34:02,572 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2023-11-19 07:34:02,572 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-19 07:34:02,573 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:34:02,573 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:34:02,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:34:02,575 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:34:02,576 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:34:02,576 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:34:02,577 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:34:02,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:34:02,577 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:34:02,578 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:34:02,578 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2023-11-19 07:34:02,579 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-11-19 07:34:02,580 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:34:02,580 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:34:02,581 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:34:02,581 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2023-11-19 07:34:02,581 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:34:02,582 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67499ec0709cfdcc368630c5b1d94f26157589b8bf16f22cf5d62554760c6dd7
[2023-11-19 07:34:03,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:34:03,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:34:03,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:34:03,097 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:34:03,098 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:34:03,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i
[2023-11-19 07:34:06,463 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:34:06,940 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:34:06,941 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-1.i
[2023-11-19 07:34:06,965 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/data/9a936ef15/1387eff988d94bf4ba6d965eec8eefd2/FLAG7ac18b2cf
[2023-11-19 07:34:06,982 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/data/9a936ef15/1387eff988d94bf4ba6d965eec8eefd2
[2023-11-19 07:34:06,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:34:06,996 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:34:07,000 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:34:07,000 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:34:07,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:34:07,006 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:06" (1/1) ...
[2023-11-19 07:34:07,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3863eb66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:07, skipping insertion in model container
[2023-11-19 07:34:07,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:06" (1/1) ...
[2023-11-19 07:34:07,089 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:34:07,762 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:34:07,781 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2023-11-19 07:34:07,814 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:34:07,988 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:34:07,995 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:34:08,126 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:34:08,176 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:34:08,184 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:34:08,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:08 WrapperNode
[2023-11-19 07:34:08,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:34:08,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:34:08,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:34:08,187 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:34:08,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:08" (1/1) ...
[2023-11-19 07:34:08,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:08" (1/1) ...
[2023-11-19 07:34:08,297 INFO L138 Inliner]: procedures = 179, calls = 280, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1002
[2023-11-19 07:34:08,297 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:34:08,298 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:34:08,298 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:34:08,299 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:34:08,320 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:08" (1/1) ...
[2023-11-19 07:34:08,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:08" (1/1) ...
[2023-11-19 07:34:08,340 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:08" (1/1) ...
[2023-11-19 07:34:08,341 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:08" (1/1) ...
[2023-11-19 07:34:08,432 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:08" (1/1) ...
[2023-11-19 07:34:08,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:08" (1/1) ...
[2023-11-19 07:34:08,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:08" (1/1) ...
[2023-11-19 07:34:08,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:08" (1/1) ...
[2023-11-19 07:34:08,514 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:34:08,516 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:34:08,516 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:34:08,516 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:34:08,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:08" (1/1) ...
[2023-11-19 07:34:08,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:34:08,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:34:08,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:34:08,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:34:08,642 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2023-11-19 07:34:08,642 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2023-11-19 07:34:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1
[2023-11-19 07:34:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2023-11-19 07:34:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2023-11-19 07:34:08,643 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2023-11-19 07:34:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-19 07:34:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:34:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2023-11-19 07:34:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:34:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp
[2023-11-19 07:34:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2023-11-19 07:34:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:34:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2023-11-19 07:34:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2023-11-19 07:34:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:34:08,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:34:08,894 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:34:08,902 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:34:16,499 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:34:16,511 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:34:16,511 INFO L302 CfgBuilder]: Removed 63 assume(true) statements.
[2023-11-19 07:34:16,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:16 BoogieIcfgContainer
[2023-11-19 07:34:16,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:34:16,550 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:34:16,550 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:34:16,554 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:34:16,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:34:06" (1/3) ...
[2023-11-19 07:34:16,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@258ea195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:34:16, skipping insertion in model container
[2023-11-19 07:34:16,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:08" (2/3) ...
[2023-11-19 07:34:16,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@258ea195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:34:16, skipping insertion in model container
[2023-11-19 07:34:16,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:34:16" (3/3) ...
[2023-11-19 07:34:16,560 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test7-1.i
[2023-11-19 07:34:16,580 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:34:16,580 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2023-11-19 07:34:16,656 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:34:16,664 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5bdf9dca, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:34:16,665 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2023-11-19 07:34:16,670 INFO L276 IsEmpty]: Start isEmpty. Operand has 197 states, 187 states have (on average 1.6684491978609626) internal successors, (312), 190 states have internal predecessors, (312), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2023-11-19 07:34:16,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2023-11-19 07:34:16,678 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:34:16,679 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:34:16,679 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:34:16,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:34:16,686 INFO L85 PathProgramCache]: Analyzing trace with hash -500280785, now seen corresponding path program 1 times
[2023-11-19 07:34:16,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:34:16,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1227581222]
[2023-11-19 07:34:16,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:34:16,701 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:34:16,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:34:16,704 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 07:34:16,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2023-11-19 07:34:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:34:16,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-11-19 07:34:16,939 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:34:16,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:34:16,963 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:34:16,964 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:34:16,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1227581222]
[2023-11-19 07:34:16,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1227581222] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:34:16,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:34:16,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:34:16,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233325134]
[2023-11-19 07:34:16,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:34:16,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:34:16,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:34:17,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:34:17,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:34:17,018 INFO L87 Difference]: Start difference. First operand has 197 states, 187 states have (on average 1.6684491978609626) internal successors, (312), 190 states have internal predecessors, (312), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:34:17,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:34:17,062 INFO L93 Difference]: Finished difference Result 194 states and 249 transitions.
[2023-11-19 07:34:17,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 07:34:17,064 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2023-11-19 07:34:17,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:34:17,075 INFO L225 Difference]: With dead ends: 194
[2023-11-19 07:34:17,075 INFO L226 Difference]: Without dead ends: 192
[2023-11-19 07:34:17,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:34:17,081 INFO L413 NwaCegarLoop]: 249 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, 249 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
[2023-11-19 07:34:17,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:34:17,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states.
[2023-11-19 07:34:17,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192.
[2023-11-19 07:34:17,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 184 states have (on average 1.298913043478261) internal successors, (239), 186 states have internal predecessors, (239), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-11-19 07:34:17,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 247 transitions.
[2023-11-19 07:34:17,135 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 247 transitions. Word has length 9
[2023-11-19 07:34:17,135 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:34:17,136 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 247 transitions.
[2023-11-19 07:34:17,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:34:17,136 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 247 transitions.
[2023-11-19 07:34:17,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2023-11-19 07:34:17,137 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:34:17,137 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:34:17,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2023-11-19 07:34:17,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:34:17,341 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:34:17,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:34:17,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1492777235, now seen corresponding path program 1 times
[2023-11-19 07:34:17,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:34:17,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [956332672]
[2023-11-19 07:34:17,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:34:17,343 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:34:17,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:34:17,345 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 07:34:17,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2023-11-19 07:34:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:34:17,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-11-19 07:34:17,599 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:34:17,666 INFO L173 IndexEqualityManager]: detected equality via solver
[2023-11-19 07:34:17,669 INFO L173 IndexEqualityManager]: detected equality via solver
[2023-11-19 07:34:17,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31
[2023-11-19 07:34:17,773 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2023-11-19 07:34:17,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 22
[2023-11-19 07:34:17,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:34:17,809 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:34:17,810 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:34:17,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [956332672]
[2023-11-19 07:34:17,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [956332672] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:34:17,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:34:17,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:34:17,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237228574]
[2023-11-19 07:34:17,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:34:17,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:34:17,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:34:17,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:34:17,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:34:17,815 INFO L87 Difference]: Start difference. First operand 192 states and 247 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:34:22,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-11-19 07:34:26,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-11-19 07:34:26,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:34:26,968 INFO L93 Difference]: Finished difference Result 278 states and 360 transitions.
[2023-11-19 07:34:26,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:34:26,970 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2023-11-19 07:34:26,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:34:26,973 INFO L225 Difference]: With dead ends: 278
[2023-11-19 07:34:26,974 INFO L226 Difference]: Without dead ends: 278
[2023-11-19 07:34:26,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:34:26,976 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 104 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:34:26,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 625 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 137 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time]
[2023-11-19 07:34:26,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states.
[2023-11-19 07:34:26,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 194.
[2023-11-19 07:34:26,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 186 states have (on average 1.2956989247311828) internal successors, (241), 188 states have internal predecessors, (241), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-11-19 07:34:26,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 249 transitions.
[2023-11-19 07:34:26,998 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 249 transitions. Word has length 11
[2023-11-19 07:34:26,999 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:34:26,999 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 249 transitions.
[2023-11-19 07:34:26,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:34:27,000 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 249 transitions.
[2023-11-19 07:34:27,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68
[2023-11-19 07:34:27,003 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:34:27,004 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:34:27,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2023-11-19 07:34:27,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:34:27,208 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:34:27,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:34:27,209 INFO L85 PathProgramCache]: Analyzing trace with hash -638130017, now seen corresponding path program 1 times
[2023-11-19 07:34:27,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:34:27,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [57525774]
[2023-11-19 07:34:27,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:34:27,211 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:34:27,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:34:27,221 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 07:34:27,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2023-11-19 07:34:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:34:27,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:34:27,860 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:34:27,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:34:27,933 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:34:27,934 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:34:27,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [57525774]
[2023-11-19 07:34:27,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [57525774] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:34:27,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:34:27,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:34:27,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971564957]
[2023-11-19 07:34:27,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:34:27,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:34:27,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:34:27,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:34:27,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:34:27,940 INFO L87 Difference]: Start difference. First operand 194 states and 249 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:34:28,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:34:28,170 INFO L93 Difference]: Finished difference Result 198 states and 245 transitions.
[2023-11-19 07:34:28,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:34:28,171 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67
[2023-11-19 07:34:28,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:34:28,175 INFO L225 Difference]: With dead ends: 198
[2023-11-19 07:34:28,175 INFO L226 Difference]: Without dead ends: 198
[2023-11-19 07:34:28,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:34:28,179 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 36 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-19 07:34:28,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 628 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-19 07:34:28,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states.
[2023-11-19 07:34:28,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 197.
[2023-11-19 07:34:28,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 189 states have (on average 1.2486772486772486) internal successors, (236), 191 states have internal predecessors, (236), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-11-19 07:34:28,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 244 transitions.
[2023-11-19 07:34:28,210 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 244 transitions. Word has length 67
[2023-11-19 07:34:28,210 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:34:28,210 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 244 transitions.
[2023-11-19 07:34:28,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:34:28,211 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 244 transitions.
[2023-11-19 07:34:28,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68
[2023-11-19 07:34:28,215 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:34:28,215 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:34:28,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2023-11-19 07:34:28,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:34:28,424 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:34:28,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:34:28,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1225597715, now seen corresponding path program 1 times
[2023-11-19 07:34:28,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:34:28,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1039425419]
[2023-11-19 07:34:28,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:34:28,426 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:34:28,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:34:28,431 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 07:34:28,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2023-11-19 07:34:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:34:28,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:34:28,961 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:34:29,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:34:29,452 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:34:29,452 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:34:29,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1039425419]
[2023-11-19 07:34:29,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1039425419] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:34:29,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:34:29,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:34:29,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099856908]
[2023-11-19 07:34:29,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:34:29,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:34:29,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:34:29,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:34:29,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:34:29,455 INFO L87 Difference]: Start difference. First operand 197 states and 244 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:34:30,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:34:30,774 INFO L93 Difference]: Finished difference Result 313 states and 386 transitions.
[2023-11-19 07:34:30,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:34:30,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67
[2023-11-19 07:34:30,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:34:30,778 INFO L225 Difference]: With dead ends: 313
[2023-11-19 07:34:30,778 INFO L226 Difference]: Without dead ends: 313
[2023-11-19 07:34:30,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:34:30,780 INFO L413 NwaCegarLoop]: 283 mSDtfsCounter, 102 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2023-11-19 07:34:30,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 488 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2023-11-19 07:34:30,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states.
[2023-11-19 07:34:30,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 305.
[2023-11-19 07:34:30,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 297 states have (on average 1.245791245791246) internal successors, (370), 299 states have internal predecessors, (370), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-11-19 07:34:30,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 378 transitions.
[2023-11-19 07:34:30,798 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 378 transitions. Word has length 67
[2023-11-19 07:34:30,799 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:34:30,799 INFO L495 AbstractCegarLoop]: Abstraction has 305 states and 378 transitions.
[2023-11-19 07:34:30,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:34:30,799 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 378 transitions.
[2023-11-19 07:34:30,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2023-11-19 07:34:30,803 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:34:30,804 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:34:30,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0
[2023-11-19 07:34:31,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:34:31,012 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:34:31,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:34:31,013 INFO L85 PathProgramCache]: Analyzing trace with hash 893651480, now seen corresponding path program 1 times
[2023-11-19 07:34:31,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:34:31,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2136495279]
[2023-11-19 07:34:31,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:34:31,014 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:34:31,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:34:31,015 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 07:34:31,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2023-11-19 07:34:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:34:31,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:34:31,710 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:34:31,772 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:34:31,778 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:34:31,778 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:34:31,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2136495279]
[2023-11-19 07:34:31,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2136495279] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:34:31,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:34:31,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:34:31,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47486212]
[2023-11-19 07:34:31,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:34:31,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:34:31,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:34:31,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:34:31,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:34:31,786 INFO L87 Difference]: Start difference. First operand 305 states and 378 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 07:34:31,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:34:31,859 INFO L93 Difference]: Finished difference Result 308 states and 382 transitions.
[2023-11-19 07:34:31,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:34:31,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 82
[2023-11-19 07:34:31,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:34:31,865 INFO L225 Difference]: With dead ends: 308
[2023-11-19 07:34:31,865 INFO L226 Difference]: Without dead ends: 308
[2023-11-19 07:34:31,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:34:31,867 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 2 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:34:31,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 695 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:34:31,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states.
[2023-11-19 07:34:31,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308.
[2023-11-19 07:34:31,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 299 states have (on average 1.2474916387959867) internal successors, (373), 302 states have internal predecessors, (373), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4)
[2023-11-19 07:34:31,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 382 transitions.
[2023-11-19 07:34:31,885 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 382 transitions. Word has length 82
[2023-11-19 07:34:31,886 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:34:31,886 INFO L495 AbstractCegarLoop]: Abstraction has 308 states and 382 transitions.
[2023-11-19 07:34:31,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 07:34:31,886 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 382 transitions.
[2023-11-19 07:34:31,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85
[2023-11-19 07:34:31,899 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:34:31,900 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:34:31,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0
[2023-11-19 07:34:32,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:34:32,101 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:34:32,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:34:32,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1688139158, now seen corresponding path program 1 times
[2023-11-19 07:34:32,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:34:32,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1028035249]
[2023-11-19 07:34:32,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:34:32,103 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:34:32,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:34:32,105 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 07:34:32,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process
[2023-11-19 07:34:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:34:32,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 07:34:32,795 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:34:32,860 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-19 07:34:32,860 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:34:33,017 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 07:34:33,018 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:34:33,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1028035249]
[2023-11-19 07:34:33,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1028035249] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:34:33,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-19 07:34:33,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8
[2023-11-19 07:34:33,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486878956]
[2023-11-19 07:34:33,019 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:34:33,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-11-19 07:34:33,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:34:33,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-11-19 07:34:33,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-11-19 07:34:33,022 INFO L87 Difference]: Start difference. First operand 308 states and 382 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2023-11-19 07:34:33,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:34:33,332 INFO L93 Difference]: Finished difference Result 319 states and 398 transitions.
[2023-11-19 07:34:33,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2023-11-19 07:34:33,333 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 84
[2023-11-19 07:34:33,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:34:33,336 INFO L225 Difference]: With dead ends: 319
[2023-11-19 07:34:33,337 INFO L226 Difference]: Without dead ends: 319
[2023-11-19 07:34:33,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156
[2023-11-19 07:34:33,338 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 9 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-19 07:34:33,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 700 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-19 07:34:33,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states.
[2023-11-19 07:34:33,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 317.
[2023-11-19 07:34:33,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 307 states have (on average 1.260586319218241) internal successors, (387), 310 states have internal predecessors, (387), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4)
[2023-11-19 07:34:33,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 396 transitions.
[2023-11-19 07:34:33,354 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 396 transitions. Word has length 84
[2023-11-19 07:34:33,354 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:34:33,354 INFO L495 AbstractCegarLoop]: Abstraction has 317 states and 396 transitions.
[2023-11-19 07:34:33,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2023-11-19 07:34:33,355 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 396 transitions.
[2023-11-19 07:34:33,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89
[2023-11-19 07:34:33,357 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:34:33,357 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:34:33,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0
[2023-11-19 07:34:33,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:34:33,568 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:34:33,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:34:33,569 INFO L85 PathProgramCache]: Analyzing trace with hash -654326984, now seen corresponding path program 2 times
[2023-11-19 07:34:33,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:34:33,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [528379925]
[2023-11-19 07:34:33,570 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-19 07:34:33,570 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:34:33,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:34:33,571 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 07:34:33,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process
[2023-11-19 07:34:33,972 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2023-11-19 07:34:33,972 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 07:34:33,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-11-19 07:34:33,984 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:34:34,008 INFO L173 IndexEqualityManager]: detected equality via solver
[2023-11-19 07:34:34,009 INFO L173 IndexEqualityManager]: detected equality via solver
[2023-11-19 07:34:34,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31
[2023-11-19 07:34:34,071 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2023-11-19 07:34:34,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 22
[2023-11-19 07:34:34,108 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked.
[2023-11-19 07:34:34,108 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:34:34,108 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:34:34,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [528379925]
[2023-11-19 07:34:34,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [528379925] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:34:34,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:34:34,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:34:34,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242281229]
[2023-11-19 07:34:34,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:34:34,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:34:34,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:34:34,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:34:34,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:34:34,111 INFO L87 Difference]: Start difference. First operand 317 states and 396 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:34:37,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-11-19 07:34:41,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-11-19 07:34:42,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-11-19 07:34:42,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:34:42,992 INFO L93 Difference]: Finished difference Result 405 states and 514 transitions.
[2023-11-19 07:34:42,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:34:42,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 88
[2023-11-19 07:34:42,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:34:42,997 INFO L225 Difference]: With dead ends: 405
[2023-11-19 07:34:42,997 INFO L226 Difference]: Without dead ends: 405
[2023-11-19 07:34:42,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:34:42,998 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 100 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time
[2023-11-19 07:34:42,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 603 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 126 Invalid, 2 Unknown, 0 Unchecked, 8.8s Time]
[2023-11-19 07:34:43,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states.
[2023-11-19 07:34:43,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 319.
[2023-11-19 07:34:43,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 309 states have (on average 1.2588996763754046) internal successors, (389), 312 states have internal predecessors, (389), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4)
[2023-11-19 07:34:43,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 398 transitions.
[2023-11-19 07:34:43,015 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 398 transitions. Word has length 88
[2023-11-19 07:34:43,015 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:34:43,015 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 398 transitions.
[2023-11-19 07:34:43,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:34:43,016 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 398 transitions.
[2023-11-19 07:34:43,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2023-11-19 07:34:43,018 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:34:43,018 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:34:43,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0
[2023-11-19 07:34:43,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:34:43,223 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:34:43,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:34:43,223 INFO L85 PathProgramCache]: Analyzing trace with hash -96938150, now seen corresponding path program 1 times
[2023-11-19 07:34:43,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:34:43,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1867643972]
[2023-11-19 07:34:43,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:34:43,225 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:34:43,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:34:43,226 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 07:34:43,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process
[2023-11-19 07:34:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:34:43,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 7 conjunts are in the unsatisfiable core
[2023-11-19 07:34:43,980 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:34:44,113 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-11-19 07:34:44,113 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:34:44,502 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-11-19 07:34:44,502 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:34:44,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1867643972]
[2023-11-19 07:34:44,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1867643972] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:34:44,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-19 07:34:44,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14
[2023-11-19 07:34:44,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202892297]
[2023-11-19 07:34:44,503 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:34:44,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2023-11-19 07:34:44,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:34:44,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2023-11-19 07:34:44,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182
[2023-11-19 07:34:44,505 INFO L87 Difference]: Start difference. First operand 319 states and 398 transitions. Second operand has 14 states, 14 states have (on average 9.285714285714286) internal successors, (130), 14 states have internal predecessors, (130), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2023-11-19 07:34:45,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:34:45,583 INFO L93 Difference]: Finished difference Result 340 states and 426 transitions.
[2023-11-19 07:34:45,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2023-11-19 07:34:45,584 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 9.285714285714286) internal successors, (130), 14 states have internal predecessors, (130), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 125
[2023-11-19 07:34:45,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:34:45,587 INFO L225 Difference]: With dead ends: 340
[2023-11-19 07:34:45,587 INFO L226 Difference]: Without dead ends: 336
[2023-11-19 07:34:45,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=257, Invalid=499, Unknown=0, NotChecked=0, Total=756
[2023-11-19 07:34:45,589 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 18 mSDsluCounter, 1174 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 1411 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-11-19 07:34:45,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 1411 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-11-19 07:34:45,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states.
[2023-11-19 07:34:45,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 328.
[2023-11-19 07:34:45,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 318 states have (on average 1.2610062893081762) internal successors, (401), 321 states have internal predecessors, (401), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4)
[2023-11-19 07:34:45,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 410 transitions.
[2023-11-19 07:34:45,604 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 410 transitions. Word has length 125
[2023-11-19 07:34:45,605 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:34:45,605 INFO L495 AbstractCegarLoop]: Abstraction has 328 states and 410 transitions.
[2023-11-19 07:34:45,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.285714285714286) internal successors, (130), 14 states have internal predecessors, (130), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2023-11-19 07:34:45,606 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 410 transitions.
[2023-11-19 07:34:45,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135
[2023-11-19 07:34:45,608 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:34:45,608 INFO L195 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:34:45,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0
[2023-11-19 07:34:45,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:34:45,821 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:34:45,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:34:45,821 INFO L85 PathProgramCache]: Analyzing trace with hash -930864861, now seen corresponding path program 2 times
[2023-11-19 07:34:45,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:34:45,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1627493196]
[2023-11-19 07:34:45,822 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-19 07:34:45,822 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:34:45,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:34:45,823 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 07:34:45,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process
[2023-11-19 07:34:46,278 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2023-11-19 07:34:46,278 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 07:34:46,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:34:46,288 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:34:46,327 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked.
[2023-11-19 07:34:46,328 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:34:46,328 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:34:46,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1627493196]
[2023-11-19 07:34:46,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1627493196] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:34:46,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:34:46,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:34:46,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109576274]
[2023-11-19 07:34:46,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:34:46,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:34:46,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:34:46,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:34:46,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:34:46,332 INFO L87 Difference]: Start difference. First operand 328 states and 410 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:34:46,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:34:46,521 INFO L93 Difference]: Finished difference Result 336 states and 402 transitions.
[2023-11-19 07:34:46,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:34:46,522 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 134
[2023-11-19 07:34:46,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:34:46,526 INFO L225 Difference]: With dead ends: 336
[2023-11-19 07:34:46,526 INFO L226 Difference]: Without dead ends: 336
[2023-11-19 07:34:46,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:34:46,527 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 37 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-19 07:34:46,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 594 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-19 07:34:46,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states.
[2023-11-19 07:34:46,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 334.
[2023-11-19 07:34:46,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 324 states have (on average 1.2067901234567902) internal successors, (391), 327 states have internal predecessors, (391), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4)
[2023-11-19 07:34:46,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 400 transitions.
[2023-11-19 07:34:46,543 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 400 transitions. Word has length 134
[2023-11-19 07:34:46,543 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:34:46,544 INFO L495 AbstractCegarLoop]: Abstraction has 334 states and 400 transitions.
[2023-11-19 07:34:46,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:34:46,544 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 400 transitions.
[2023-11-19 07:34:46,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135
[2023-11-19 07:34:46,547 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:34:46,547 INFO L195 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:34:46,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0
[2023-11-19 07:34:46,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:34:46,751 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:34:46,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:34:46,752 INFO L85 PathProgramCache]: Analyzing trace with hash 419064983, now seen corresponding path program 1 times
[2023-11-19 07:34:46,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:34:46,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087167709]
[2023-11-19 07:34:46,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:34:46,753 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:34:46,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:34:46,757 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 07:34:46,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process
[2023-11-19 07:34:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:34:47,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 13 conjunts are in the unsatisfiable core
[2023-11-19 07:34:47,621 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:34:47,992 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 71 proven. 55 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2023-11-19 07:34:47,993 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:34:49,057 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 2 proven. 123 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-19 07:34:49,057 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:34:49,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087167709]
[2023-11-19 07:34:49,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1087167709] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:34:49,058 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-19 07:34:49,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26
[2023-11-19 07:34:49,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273792960]
[2023-11-19 07:34:49,058 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:34:49,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states
[2023-11-19 07:34:49,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:34:49,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants.
[2023-11-19 07:34:49,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650
[2023-11-19 07:34:49,062 INFO L87 Difference]: Start difference. First operand 334 states and 400 transitions. Second operand has 26 states, 26 states have (on average 5.461538461538462) internal successors, (142), 26 states have internal predecessors, (142), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2023-11-19 07:34:53,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:34:53,047 INFO L93 Difference]: Finished difference Result 376 states and 458 transitions.
[2023-11-19 07:34:53,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states.
[2023-11-19 07:34:53,048 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.461538461538462) internal successors, (142), 26 states have internal predecessors, (142), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 134
[2023-11-19 07:34:53,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:34:53,052 INFO L225 Difference]: With dead ends: 376
[2023-11-19 07:34:53,052 INFO L226 Difference]: Without dead ends: 372
[2023-11-19 07:34:53,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1025, Invalid=2281, Unknown=0, NotChecked=0, Total=3306
[2023-11-19 07:34:53,055 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 36 mSDsluCounter, 2740 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 2972 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:34:53,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 2972 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2023-11-19 07:34:53,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states.
[2023-11-19 07:34:53,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 352.
[2023-11-19 07:34:53,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 342 states have (on average 1.213450292397661) internal successors, (415), 345 states have internal predecessors, (415), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4)
[2023-11-19 07:34:53,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 424 transitions.
[2023-11-19 07:34:53,069 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 424 transitions. Word has length 134
[2023-11-19 07:34:53,069 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:34:53,070 INFO L495 AbstractCegarLoop]: Abstraction has 352 states and 424 transitions.
[2023-11-19 07:34:53,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.461538461538462) internal successors, (142), 26 states have internal predecessors, (142), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2023-11-19 07:34:53,070 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 424 transitions.
[2023-11-19 07:34:53,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153
[2023-11-19 07:34:53,072 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:34:53,073 INFO L195 NwaCegarLoop]: trace histogram [33, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:34:53,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0
[2023-11-19 07:34:53,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:34:53,285 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:34:53,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:34:53,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1804120073, now seen corresponding path program 2 times
[2023-11-19 07:34:53,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:34:53,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [125839033]
[2023-11-19 07:34:53,286 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-19 07:34:53,286 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:34:53,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:34:53,287 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 07:34:53,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process
[2023-11-19 07:34:53,804 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2023-11-19 07:34:53,804 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 07:34:53,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-19 07:34:53,816 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:34:53,865 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked.
[2023-11-19 07:34:53,866 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:34:53,866 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:34:53,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [125839033]
[2023-11-19 07:34:53,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [125839033] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:34:53,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:34:53,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:34:53,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027350244]
[2023-11-19 07:34:53,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:34:53,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:34:53,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:34:53,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:34:53,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:34:53,869 INFO L87 Difference]: Start difference. First operand 352 states and 424 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:34:53,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:34:53,968 INFO L93 Difference]: Finished difference Result 354 states and 420 transitions.
[2023-11-19 07:34:53,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:34:53,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 152
[2023-11-19 07:34:53,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:34:53,976 INFO L225 Difference]: With dead ends: 354
[2023-11-19 07:34:53,976 INFO L226 Difference]: Without dead ends: 354
[2023-11-19 07:34:53,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:34:53,978 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 1 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:34:53,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 416 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:34:53,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states.
[2023-11-19 07:34:53,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 352.
[2023-11-19 07:34:53,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 342 states have (on average 1.195906432748538) internal successors, (409), 345 states have internal predecessors, (409), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4)
[2023-11-19 07:34:53,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 418 transitions.
[2023-11-19 07:34:53,994 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 418 transitions. Word has length 152
[2023-11-19 07:34:53,994 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:34:53,995 INFO L495 AbstractCegarLoop]: Abstraction has 352 states and 418 transitions.
[2023-11-19 07:34:53,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:34:53,995 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 418 transitions.
[2023-11-19 07:34:53,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153
[2023-11-19 07:34:53,998 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:34:53,998 INFO L195 NwaCegarLoop]: trace histogram [33, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:34:54,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c643ed3-6370-427d-8860-929323ed6aa7/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0