./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/uname-2.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for memory safety (deref-memtrack)
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_20edc1eb-37e5-4a01-8e66-9941f8e58e13/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/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_20edc1eb-37e5-4a01-8e66-9941f8e58e13/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uname-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/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-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 64052bfdc5bf6f2a2ba50127e6f4ecf4f822ad11dffb4513d5356b1e12bd4cd0
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 08:06:45,893 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 08:06:46,025 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf
[2023-11-19 08:06:46,032 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 08:06:46,033 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 08:06:46,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 08:06:46,073 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 08:06:46,074 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 08:06:46,076 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 08:06:46,081 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 08:06:46,082 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 08:06:46,083 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 08:06:46,083 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 08:06:46,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 08:06:46,085 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 08:06:46,086 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 08:06:46,086 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2023-11-19 08:06:46,086 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2023-11-19 08:06:46,087 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2023-11-19 08:06:46,087 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 08:06:46,088 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-19 08:06:46,088 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 08:06:46,089 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 08:06:46,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 08:06:46,090 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 08:06:46,091 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 08:06:46,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:06:46,092 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 08:06:46,093 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 08:06:46,093 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 08:06:46,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 08:06:46,095 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 08:06:46,095 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 08:06:46,095 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 08:06:46,095 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 08:06:46,096 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_20edc1eb-37e5-4a01-8e66-9941f8e58e13/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64052bfdc5bf6f2a2ba50127e6f4ecf4f822ad11dffb4513d5356b1e12bd4cd0
[2023-11-19 08:06:46,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 08:06:46,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 08:06:46,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 08:06:46,455 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 08:06:46,456 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 08:06:46,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/busybox-1.22.0/uname-2.i
[2023-11-19 08:06:49,721 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 08:06:50,275 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 08:06:50,275 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/sv-benchmarks/c/busybox-1.22.0/uname-2.i
[2023-11-19 08:06:50,302 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/bin/uautomizer-verify-uCwYo4JHxu/data/2199dd7c7/50d7eec356be440bb526606bda3a1df8/FLAG82e77e2ee
[2023-11-19 08:06:50,318 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/bin/uautomizer-verify-uCwYo4JHxu/data/2199dd7c7/50d7eec356be440bb526606bda3a1df8
[2023-11-19 08:06:50,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 08:06:50,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 08:06:50,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 08:06:50,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 08:06:50,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 08:06:50,332 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:50" (1/1) ...
[2023-11-19 08:06:50,333 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dfdd77f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:50, skipping insertion in model container
[2023-11-19 08:06:50,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:50" (1/1) ...
[2023-11-19 08:06:50,442 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 08:06:51,958 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:06:51,998 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 08:06:51,999 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@36c309f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:51, skipping insertion in model container
[2023-11-19 08:06:51,999 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 08:06:51,999 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner
[2023-11-19 08:06:52,001 INFO L158 Benchmark]: Toolchain (without parser) took 1677.91ms. Allocated memory is still 130.0MB. Free memory was 97.3MB in the beginning and 57.9MB in the end (delta: 39.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB.
[2023-11-19 08:06:52,001 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:06:52,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1675.50ms. Allocated memory is still 130.0MB. Free memory was 96.9MB in the beginning and 57.9MB in the end (delta: 39.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB.
[2023-11-19 08:06:52,004 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1675.50ms. Allocated memory is still 130.0MB. Free memory was 96.9MB in the beginning and 57.9MB in the end (delta: 39.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- UnsupportedSyntaxResult [Line: 2228]: 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_20edc1eb-37e5-4a01-8e66-9941f8e58e13/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/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_20edc1eb-37e5-4a01-8e66-9941f8e58e13/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uname-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/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-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 64052bfdc5bf6f2a2ba50127e6f4ecf4f822ad11dffb4513d5356b1e12bd4cd0
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 08:06:54,480 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 08:06:54,635 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf
[2023-11-19 08:06:54,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 08:06:54,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 08:06:54,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 08:06:54,691 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 08:06:54,691 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 08:06:54,692 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 08:06:54,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 08:06:54,698 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 08:06:54,698 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 08:06:54,699 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 08:06:54,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 08:06:54,701 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 08:06:54,701 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 08:06:54,702 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2023-11-19 08:06:54,702 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2023-11-19 08:06:54,703 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2023-11-19 08:06:54,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 08:06:54,703 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-19 08:06:54,704 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2023-11-19 08:06:54,704 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-19 08:06:54,705 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 08:06:54,705 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 08:06:54,706 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 08:06:54,706 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 08:06:54,707 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 08:06:54,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:06:54,708 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 08:06:54,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 08:06:54,709 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2023-11-19 08:06:54,709 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-11-19 08:06:54,710 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 08:06:54,710 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 08:06:54,710 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 08:06:54,711 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2023-11-19 08:06:54,711 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 08:06:54,711 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_20edc1eb-37e5-4a01-8e66-9941f8e58e13/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64052bfdc5bf6f2a2ba50127e6f4ecf4f822ad11dffb4513d5356b1e12bd4cd0
[2023-11-19 08:06:55,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 08:06:55,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 08:06:55,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 08:06:55,200 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 08:06:55,200 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 08:06:55,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/busybox-1.22.0/uname-2.i
[2023-11-19 08:06:58,613 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 08:06:59,194 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 08:06:59,194 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/sv-benchmarks/c/busybox-1.22.0/uname-2.i
[2023-11-19 08:06:59,227 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/bin/uautomizer-verify-uCwYo4JHxu/data/c18587675/0feda531b2644b2da59f901f6a85facd/FLAGcd174b0c7
[2023-11-19 08:06:59,242 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/bin/uautomizer-verify-uCwYo4JHxu/data/c18587675/0feda531b2644b2da59f901f6a85facd
[2023-11-19 08:06:59,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 08:06:59,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 08:06:59,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 08:06:59,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 08:06:59,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 08:06:59,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:59" (1/1) ...
[2023-11-19 08:06:59,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb3ec33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:59, skipping insertion in model container
[2023-11-19 08:06:59,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:59" (1/1) ...
[2023-11-19 08:06:59,424 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 08:07:01,285 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:07:01,339 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2023-11-19 08:07:01,363 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 08:07:01,542 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:07:01,559 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 08:07:01,663 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:07:01,887 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 08:07:01,887 WARN L675 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 08:07:01,887 WARN L675 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 08:07:01,887 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 08:07:01,896 INFO L206 MainTranslator]: Completed translation
[2023-11-19 08:07:01,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01 WrapperNode
[2023-11-19 08:07:01,896 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 08:07:01,897 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 08:07:01,898 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 08:07:01,898 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 08:07:01,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ...
[2023-11-19 08:07:01,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ...
[2023-11-19 08:07:02,094 INFO L138 Inliner]: procedures = 585, calls = 556, calls flagged for inlining = 24, calls inlined = 22, statements flattened = 1630
[2023-11-19 08:07:02,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 08:07:02,095 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 08:07:02,095 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 08:07:02,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 08:07:02,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ...
[2023-11-19 08:07:02,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ...
[2023-11-19 08:07:02,131 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ...
[2023-11-19 08:07:02,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ...
[2023-11-19 08:07:02,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ...
[2023-11-19 08:07:02,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ...
[2023-11-19 08:07:02,276 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ...
[2023-11-19 08:07:02,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ...
[2023-11-19 08:07:02,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 08:07:02,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 08:07:02,345 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 08:07:02,345 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 08:07:02,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (1/1) ...
[2023-11-19 08:07:02,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:07:02,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:07:02,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 08:07:02,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 08:07:02,441 INFO L130 BoogieDeclarations]: Found specification of procedure putchar
[2023-11-19 08:07:02,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 08:07:02,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2
[2023-11-19 08:07:02,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2023-11-19 08:07:02,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4
[2023-11-19 08:07:02,442 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg
[2023-11-19 08:07:02,442 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg
[2023-11-19 08:07:02,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-19 08:07:02,443 INFO L130 BoogieDeclarations]: Found specification of procedure fflush
[2023-11-19 08:07:02,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 08:07:02,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2023-11-19 08:07:02,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8
[2023-11-19 08:07:02,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2
[2023-11-19 08:07:02,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4
[2023-11-19 08:07:02,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1
[2023-11-19 08:07:02,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 08:07:02,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 08:07:02,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1
[2023-11-19 08:07:02,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy
[2023-11-19 08:07:02,447 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy
[2023-11-19 08:07:02,447 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc
[2023-11-19 08:07:02,448 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc
[2023-11-19 08:07:02,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2023-11-19 08:07:02,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$
[2023-11-19 08:07:02,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2
[2023-11-19 08:07:02,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2023-11-19 08:07:02,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2023-11-19 08:07:02,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2023-11-19 08:07:02,450 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-19 08:07:02,450 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-19 08:07:02,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 08:07:02,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2023-11-19 08:07:02,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8
[2023-11-19 08:07:02,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1
[2023-11-19 08:07:02,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2023-11-19 08:07:02,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2023-11-19 08:07:02,452 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage
[2023-11-19 08:07:02,452 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage
[2023-11-19 08:07:02,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4
[2023-11-19 08:07:02,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2
[2023-11-19 08:07:02,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1
[2023-11-19 08:07:02,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8
[2023-11-19 08:07:02,453 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul
[2023-11-19 08:07:02,453 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die
[2023-11-19 08:07:02,454 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die
[2023-11-19 08:07:03,103 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 08:07:03,105 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 08:07:03,292 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2023-11-19 08:07:15,166 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 08:07:15,199 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 08:07:15,199 INFO L302 CfgBuilder]: Removed 33 assume(true) statements.
[2023-11-19 08:07:15,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:07:15 BoogieIcfgContainer
[2023-11-19 08:07:15,215 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 08:07:15,218 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 08:07:15,218 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 08:07:15,221 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 08:07:15,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:06:59" (1/3) ...
[2023-11-19 08:07:15,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6daed953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:07:15, skipping insertion in model container
[2023-11-19 08:07:15,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:07:01" (2/3) ...
[2023-11-19 08:07:15,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6daed953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:07:15, skipping insertion in model container
[2023-11-19 08:07:15,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:07:15" (3/3) ...
[2023-11-19 08:07:15,227 INFO L112 eAbstractionObserver]: Analyzing ICFG uname-2.i
[2023-11-19 08:07:15,249 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 08:07:15,250 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 442 error locations.
[2023-11-19 08:07:15,321 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 08:07:15,327 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;@650a6d0c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 08:07:15,328 INFO L358 AbstractCegarLoop]: Starting to check reachability of 442 error locations.
[2023-11-19 08:07:15,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 1081 states, 610 states have (on average 2.0131147540983605) internal successors, (1228), 1051 states have internal predecessors, (1228), 24 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2023-11-19 08:07:15,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2023-11-19 08:07:15,346 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:07:15,346 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1]
[2023-11-19 08:07:15,347 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 439 more)] ===
[2023-11-19 08:07:15,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:07:15,356 INFO L85 PathProgramCache]: Analyzing trace with hash 430036, now seen corresponding path program 1 times
[2023-11-19 08:07:15,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 08:07:15,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1141159987]
[2023-11-19 08:07:15,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:07:15,384 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 08:07:15,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 08:07:15,387 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/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 08:07:15,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/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 08:07:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:07:15,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 08:07:15,964 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 08:07:16,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7
[2023-11-19 08:07:16,079 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 08:07:16,080 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 08:07:16,081 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 08:07:16,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1141159987]
[2023-11-19 08:07:16,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1141159987] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:07:16,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:07:16,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:07:16,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268851089]
[2023-11-19 08:07:16,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:07:16,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:07:16,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 08:07:16,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:07:16,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:07:16,129 INFO L87 Difference]: Start difference. First operand has 1081 states, 610 states have (on average 2.0131147540983605) internal successors, (1228), 1051 states have internal predecessors, (1228), 24 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:07:20,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:07:20,639 INFO L93 Difference]: Finished difference Result 1241 states and 1423 transitions.
[2023-11-19 08:07:20,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:07:20,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3
[2023-11-19 08:07:20,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:07:20,669 INFO L225 Difference]: With dead ends: 1241
[2023-11-19 08:07:20,669 INFO L226 Difference]: Without dead ends: 1239
[2023-11-19 08:07:20,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:07:20,674 INFO L413 NwaCegarLoop]: 1055 mSDtfsCounter, 407 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 1687 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time
[2023-11-19 08:07:20,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 1687 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time]
[2023-11-19 08:07:20,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1239 states.
[2023-11-19 08:07:20,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1239 to 1069.
[2023-11-19 08:07:20,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1069 states, 604 states have (on average 1.9470198675496688) internal successors, (1176), 1043 states have internal predecessors, (1176), 24 states have call successors, (24), 7 states have call predecessors, (24), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2023-11-19 08:07:20,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 1069 states and 1220 transitions.
[2023-11-19 08:07:20,811 INFO L78 Accepts]: Start accepts. Automaton has 1069 states and 1220 transitions. Word has length 3
[2023-11-19 08:07:20,811 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:07:20,811 INFO L495 AbstractCegarLoop]: Abstraction has 1069 states and 1220 transitions.
[2023-11-19 08:07:20,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:07:20,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1220 transitions.
[2023-11-19 08:07:20,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2023-11-19 08:07:20,812 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:07:20,812 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1]
[2023-11-19 08:07:20,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/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)] Ended with exit code 0
[2023-11-19 08:07:21,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/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 08:07:21,014 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 439 more)] ===
[2023-11-19 08:07:21,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:07:21,033 INFO L85 PathProgramCache]: Analyzing trace with hash 430037, now seen corresponding path program 1 times
[2023-11-19 08:07:21,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 08:07:21,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1796597180]
[2023-11-19 08:07:21,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:07:21,035 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 08:07:21,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 08:07:21,037 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/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 08:07:21,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/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 08:07:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:07:21,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 08:07:21,543 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 08:07:21,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2023-11-19 08:07:21,612 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 08:07:21,612 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 08:07:21,612 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 08:07:21,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1796597180]
[2023-11-19 08:07:21,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1796597180] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:07:21,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:07:21,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:07:21,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290668585]
[2023-11-19 08:07:21,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:07:21,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:07:21,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 08:07:21,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:07:21,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:07:21,616 INFO L87 Difference]: Start difference. First operand 1069 states and 1220 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:07:27,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:07:27,242 INFO L93 Difference]: Finished difference Result 1068 states and 1219 transitions.
[2023-11-19 08:07:27,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 08:07:27,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3
[2023-11-19 08:07:27,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:07:27,251 INFO L225 Difference]: With dead ends: 1068
[2023-11-19 08:07:27,251 INFO L226 Difference]: Without dead ends: 1068
[2023-11-19 08:07:27,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:07:27,258 INFO L413 NwaCegarLoop]: 1212 mSDtfsCounter, 13 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 1982 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time
[2023-11-19 08:07:27,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 1982 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time]
[2023-11-19 08:07:27,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states.
[2023-11-19 08:07:27,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 1068.
[2023-11-19 08:07:27,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1068 states, 604 states have (on average 1.945364238410596) internal successors, (1175), 1042 states have internal predecessors, (1175), 24 states have call successors, (24), 7 states have call predecessors, (24), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2023-11-19 08:07:27,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1219 transitions.
[2023-11-19 08:07:27,306 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1219 transitions. Word has length 3
[2023-11-19 08:07:27,306 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:07:27,306 INFO L495 AbstractCegarLoop]: Abstraction has 1068 states and 1219 transitions.
[2023-11-19 08:07:27,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 08:07:27,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1219 transitions.
[2023-11-19 08:07:27,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-19 08:07:27,307 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:07:27,308 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-19 08:07:27,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/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)] Ended with exit code 0
[2023-11-19 08:07:27,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/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 08:07:27,517 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 439 more)] ===
[2023-11-19 08:07:27,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:07:27,517 INFO L85 PathProgramCache]: Analyzing trace with hash -73322807, now seen corresponding path program 1 times
[2023-11-19 08:07:27,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 08:07:27,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1920630076]
[2023-11-19 08:07:27,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:07:27,520 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 08:07:27,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 08:07:27,524 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/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 08:07:27,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/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 08:07:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:07:27,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-19 08:07:27,936 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 08:07:27,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2023-11-19 08:07:28,150 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 08:07:28,150 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 08:07:28,151 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 08:07:28,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1920630076]
[2023-11-19 08:07:28,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1920630076] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:07:28,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:07:28,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 08:07:28,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59444239]
[2023-11-19 08:07:28,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:07:28,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 08:07:28,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 08:07:28,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 08:07:28,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-19 08:07:28,153 INFO L87 Difference]: Start difference. First operand 1068 states and 1219 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 08:07:36,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:07:36,275 INFO L93 Difference]: Finished difference Result 1072 states and 1223 transitions.
[2023-11-19 08:07:36,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 08:07:36,275 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 6
[2023-11-19 08:07:36,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:07:36,281 INFO L225 Difference]: With dead ends: 1072
[2023-11-19 08:07:36,282 INFO L226 Difference]: Without dead ends: 1072
[2023-11-19 08:07:36,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-19 08:07:36,283 INFO L413 NwaCegarLoop]: 1210 mSDtfsCounter, 14 mSDsluCounter, 1543 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 2753 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time
[2023-11-19 08:07:36,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 2753 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time]
[2023-11-19 08:07:36,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states.
[2023-11-19 08:07:36,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1070.
[2023-11-19 08:07:36,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1070 states, 606 states have (on average 1.9422442244224423) internal successors, (1177), 1044 states have internal predecessors, (1177), 24 states have call successors, (24), 7 states have call predecessors, (24), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2023-11-19 08:07:36,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1221 transitions.
[2023-11-19 08:07:36,319 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1221 transitions. Word has length 6
[2023-11-19 08:07:36,319 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:07:36,319 INFO L495 AbstractCegarLoop]: Abstraction has 1070 states and 1221 transitions.
[2023-11-19 08:07:36,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 08:07:36,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1221 transitions.
[2023-11-19 08:07:36,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2023-11-19 08:07:36,320 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 08:07:36,321 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 08:07:36,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/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)] Forceful destruction successful, exit code 0
[2023-11-19 08:07:36,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/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 08:07:36,530 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [#Ultimate.C_strcpyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, #Ultimate.C_strcpyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 439 more)] ===
[2023-11-19 08:07:36,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:07:36,530 INFO L85 PathProgramCache]: Analyzing trace with hash -686539892, now seen corresponding path program 1 times
[2023-11-19 08:07:36,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 08:07:36,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [811446855]
[2023-11-19 08:07:36,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:07:36,532 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 08:07:36,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 08:07:36,534 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/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 08:07:36,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20edc1eb-37e5-4a01-8e66-9941f8e58e13/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 08:07:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:07:37,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-11-19 08:07:37,009 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 08:07:37,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2023-11-19 08:07:37,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:07:37,376 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 08:07:38,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 08:07:38,142 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 08:07:38,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [811446855]
[2023-11-19 08:07:38,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [811446855] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 08:07:38,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-19 08:07:38,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7
[2023-11-19 08:07:38,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410301972]
[2023-11-19 08:07:38,143 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-19 08:07:38,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-11-19 08:07:38,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 08:07:38,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-11-19 08:07:38,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-11-19 08:07:38,144 INFO L87 Difference]: Start difference. First operand 1070 states and 1221 transitions. Second operand has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 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)