./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for memory safety (deref-memtrack)
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/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_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/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 32bit --witnessprinter.graph.data.programhash 9885703216edf9cfe4bfb438db591a48e102e73a3e0423f90ce871c05fdf2b57
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:46:15,056 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:46:15,206 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2023-11-19 07:46:15,213 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:46:15,214 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:46:15,254 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:46:15,255 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:46:15,256 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:46:15,257 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:46:15,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:46:15,259 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:46:15,260 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:46:15,260 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:46:15,261 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:46:15,262 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:46:15,263 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:46:15,263 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:46:15,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:46:15,265 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2023-11-19 07:46:15,266 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2023-11-19 07:46:15,266 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2023-11-19 07:46:15,267 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:46:15,268 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-19 07:46:15,269 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:46:15,269 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:46:15,270 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:46:15,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:46:15,272 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:46:15,272 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:46:15,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:46:15,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:46:15,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:46:15,275 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:46:15,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:46:15,276 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:46:15,277 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:46:15,277 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:46:15,278 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:46:15,278 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_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9885703216edf9cfe4bfb438db591a48e102e73a3e0423f90ce871c05fdf2b57
[2023-11-19 07:46:15,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:46:15,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:46:15,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:46:15,713 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:46:15,714 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:46:15,715 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i
[2023-11-19 07:46:18,769 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:46:19,183 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:46:19,184 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i
[2023-11-19 07:46:19,212 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/bin/uautomizer-verify-uCwYo4JHxu/data/491c3d81f/b2db0596405a48938519a3ecd1cbcc2e/FLAG85af3e5ee
[2023-11-19 07:46:19,233 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/bin/uautomizer-verify-uCwYo4JHxu/data/491c3d81f/b2db0596405a48938519a3ecd1cbcc2e
[2023-11-19 07:46:19,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:46:19,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:46:19,246 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:46:19,246 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:46:19,252 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:46:19,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:19" (1/1) ...
[2023-11-19 07:46:19,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49ba6aec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:19, skipping insertion in model container
[2023-11-19 07:46:19,254 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:19" (1/1) ...
[2023-11-19 07:46:19,358 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:46:20,332 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:46:20,348 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 07:46:20,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@44fe2212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:20, skipping insertion in model container
[2023-11-19 07:46:20,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:46:20,350 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner
[2023-11-19 07:46:20,353 INFO L158 Benchmark]: Toolchain (without parser) took 1109.42ms. Allocated memory is still 146.8MB. Free memory was 105.0MB in the beginning and 75.0MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB.
[2023-11-19 07:46:20,353 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 109.1MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:46:20,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1104.48ms. Allocated memory is still 146.8MB. Free memory was 104.4MB in the beginning and 75.0MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB.
[2023-11-19 07:46:20,357 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31ms. Allocated memory is still 109.1MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1104.48ms. Allocated memory is still 146.8MB. Free memory was 104.4MB in the beginning and 75.0MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- UnsupportedSyntaxResult [Line: 734]: Unsupported Syntax
Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/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_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/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 32bit --witnessprinter.graph.data.programhash 9885703216edf9cfe4bfb438db591a48e102e73a3e0423f90ce871c05fdf2b57
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:46:23,031 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:46:23,179 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf
[2023-11-19 07:46:23,190 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:46:23,191 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:46:23,236 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:46:23,237 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:46:23,237 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:46:23,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:46:23,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:46:23,244 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:46:23,245 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:46:23,246 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:46:23,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:46:23,248 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:46:23,249 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:46:23,249 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:46:23,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:46:23,250 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2023-11-19 07:46:23,251 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2023-11-19 07:46:23,251 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2023-11-19 07:46:23,252 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:46:23,252 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-19 07:46:23,252 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2023-11-19 07:46:23,253 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-19 07:46:23,253 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:46:23,254 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:46:23,254 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:46:23,255 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:46:23,256 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:46:23,257 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:46:23,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:46:23,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:46:23,259 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:46:23,259 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2023-11-19 07:46:23,259 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-11-19 07:46:23,260 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:46:23,260 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:46:23,260 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:46:23,261 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2023-11-19 07:46:23,262 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:46:23,262 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_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9885703216edf9cfe4bfb438db591a48e102e73a3e0423f90ce871c05fdf2b57
[2023-11-19 07:46:23,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:46:23,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:46:23,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:46:23,731 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:46:23,731 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:46:23,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i
[2023-11-19 07:46:26,876 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:46:27,424 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:46:27,425 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i
[2023-11-19 07:46:27,455 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/bin/uautomizer-verify-uCwYo4JHxu/data/43147a5ee/4e6446514c3f4e21be0ae11b0d55481f/FLAGb4093e233
[2023-11-19 07:46:27,475 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/bin/uautomizer-verify-uCwYo4JHxu/data/43147a5ee/4e6446514c3f4e21be0ae11b0d55481f
[2023-11-19 07:46:27,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:46:27,483 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:46:27,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:46:27,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:46:27,493 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:46:27,494 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:27" (1/1) ...
[2023-11-19 07:46:27,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5507539a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:27, skipping insertion in model container
[2023-11-19 07:46:27,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:27" (1/1) ...
[2023-11-19 07:46:27,626 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:46:28,671 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:46:28,695 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2023-11-19 07:46:28,718 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:46:28,860 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:46:28,877 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:46:29,002 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:46:29,038 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:46:29,047 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:46:29,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:29 WrapperNode
[2023-11-19 07:46:29,048 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:46:29,049 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:46:29,049 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:46:29,050 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:46:29,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:29" (1/1) ...
[2023-11-19 07:46:29,142 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:29" (1/1) ...
[2023-11-19 07:46:29,270 INFO L138 Inliner]: procedures = 180, calls = 525, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2203
[2023-11-19 07:46:29,271 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:46:29,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:46:29,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:46:29,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:46:29,282 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:29" (1/1) ...
[2023-11-19 07:46:29,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:29" (1/1) ...
[2023-11-19 07:46:29,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:29" (1/1) ...
[2023-11-19 07:46:29,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:29" (1/1) ...
[2023-11-19 07:46:29,408 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:29" (1/1) ...
[2023-11-19 07:46:29,448 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:29" (1/1) ...
[2023-11-19 07:46:29,467 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:29" (1/1) ...
[2023-11-19 07:46:29,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:29" (1/1) ...
[2023-11-19 07:46:29,510 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:46:29,511 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:46:29,511 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:46:29,511 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:46:29,512 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:29" (1/1) ...
[2023-11-19 07:46:29,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:46:29,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:46:29,544 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:46:29,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:46:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1
[2023-11-19 07:46:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int
[2023-11-19 07:46:29,603 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int
[2023-11-19 07:46:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2023-11-19 07:46:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2023-11-19 07:46:29,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2023-11-19 07:46:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2023-11-19 07:46:29,604 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2023-11-19 07:46:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-19 07:46:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:46:29,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2023-11-19 07:46:29,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:46:29,607 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp
[2023-11-19 07:46:29,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2023-11-19 07:46:29,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:46:29,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2023-11-19 07:46:29,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2023-11-19 07:46:29,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:46:29,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:46:30,010 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:46:30,013 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:46:30,018 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2023-11-19 07:46:40,445 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:46:40,477 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:46:40,477 INFO L302 CfgBuilder]: Removed 151 assume(true) statements.
[2023-11-19 07:46:40,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:40 BoogieIcfgContainer
[2023-11-19 07:46:40,490 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:46:40,492 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:46:40,493 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:46:40,496 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:46:40,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:46:27" (1/3) ...
[2023-11-19 07:46:40,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe335f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:40, skipping insertion in model container
[2023-11-19 07:46:40,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:29" (2/3) ...
[2023-11-19 07:46:40,498 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe335f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:40, skipping insertion in model container
[2023-11-19 07:46:40,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:40" (3/3) ...
[2023-11-19 07:46:40,499 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test10-1.i
[2023-11-19 07:46:40,521 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:46:40,522 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 990 error locations.
[2023-11-19 07:46:40,654 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:46:40,661 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;@f9288a1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:46:40,661 INFO L358 AbstractCegarLoop]: Starting to check reachability of 990 error locations.
[2023-11-19 07:46:40,672 INFO L276 IsEmpty]: Start isEmpty. Operand has 2080 states, 1078 states have (on average 2.1808905380333954) internal successors, (2351), 2066 states have internal predecessors, (2351), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14)
[2023-11-19 07:46:40,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2023-11-19 07:46:40,678 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:46:40,679 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1]
[2023-11-19 07:46:40,680 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 987 more)] ===
[2023-11-19 07:46:40,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:40,686 INFO L85 PathProgramCache]: Analyzing trace with hash 66598, now seen corresponding path program 1 times
[2023-11-19 07:46:40,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:46:40,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1172443379]
[2023-11-19 07:46:40,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:40,702 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 07:46:40,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:46:40,708 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/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 07:46:40,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/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 07:46:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:40,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:46:40,970 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:46:41,085 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 07:46:41,107 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 07:46:41,108 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:46:41,108 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:46:41,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1172443379]
[2023-11-19 07:46:41,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1172443379] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:41,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:41,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:46:41,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029845300]
[2023-11-19 07:46:41,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:41,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:46:41,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:46:41,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:46:41,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:46:41,170 INFO L87 Difference]: Start difference. First operand has 2080 states, 1078 states have (on average 2.1808905380333954) internal successors, (2351), 2066 states have internal predecessors, (2351), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) 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 07:46:46,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:46:46,055 INFO L93 Difference]: Finished difference Result 2583 states and 2746 transitions.
[2023-11-19 07:46:46,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:46:46,057 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 07:46:46,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:46:46,087 INFO L225 Difference]: With dead ends: 2583
[2023-11-19 07:46:46,088 INFO L226 Difference]: Without dead ends: 2581
[2023-11-19 07:46:46,089 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 07:46:46,093 INFO L413 NwaCegarLoop]: 1287 mSDtfsCounter, 1967 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1977 SdHoareTripleChecker+Valid, 1666 SdHoareTripleChecker+Invalid, 1298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time
[2023-11-19 07:46:46,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1977 Valid, 1666 Invalid, 1298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1275 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time]
[2023-11-19 07:46:46,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2581 states.
[2023-11-19 07:46:46,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2581 to 2228.
[2023-11-19 07:46:46,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2228 states, 1250 states have (on average 2.0144) internal successors, (2518), 2212 states have internal predecessors, (2518), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16)
[2023-11-19 07:46:46,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 2228 states and 2550 transitions.
[2023-11-19 07:46:46,271 INFO L78 Accepts]: Start accepts. Automaton has 2228 states and 2550 transitions. Word has length 3
[2023-11-19 07:46:46,272 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:46:46,272 INFO L495 AbstractCegarLoop]: Abstraction has 2228 states and 2550 transitions.
[2023-11-19 07:46:46,273 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 07:46:46,273 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 2550 transitions.
[2023-11-19 07:46:46,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2023-11-19 07:46:46,273 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:46:46,274 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1]
[2023-11-19 07:46:46,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/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 07:46:46,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/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 07:46:46,477 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 987 more)] ===
[2023-11-19 07:46:46,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:46,478 INFO L85 PathProgramCache]: Analyzing trace with hash 66599, now seen corresponding path program 1 times
[2023-11-19 07:46:46,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:46:46,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [798293921]
[2023-11-19 07:46:46,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:46,479 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 07:46:46,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:46:46,481 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/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 07:46:46,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/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 07:46:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:46,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 07:46:46,675 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:46:46,688 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 07:46:46,700 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 07:46:46,700 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:46:46,701 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:46:46,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [798293921]
[2023-11-19 07:46:46,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [798293921] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:46,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:46,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:46:46,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391490337]
[2023-11-19 07:46:46,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:46,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:46:46,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:46:46,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:46:46,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:46:46,705 INFO L87 Difference]: Start difference. First operand 2228 states and 2550 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 07:46:53,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:46:53,655 INFO L93 Difference]: Finished difference Result 3011 states and 3414 transitions.
[2023-11-19 07:46:53,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:46:53,657 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 07:46:53,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:46:53,675 INFO L225 Difference]: With dead ends: 3011
[2023-11-19 07:46:53,676 INFO L226 Difference]: Without dead ends: 3011
[2023-11-19 07:46:53,677 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 07:46:53,679 INFO L413 NwaCegarLoop]: 1850 mSDtfsCounter, 856 mSDsluCounter, 1197 mSDsCounter, 0 mSdLazyCounter, 1319 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 3047 SdHoareTripleChecker+Invalid, 1326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time
[2023-11-19 07:46:53,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [860 Valid, 3047 Invalid, 1326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1319 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time]
[2023-11-19 07:46:53,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3011 states.
[2023-11-19 07:46:53,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3011 to 2689.
[2023-11-19 07:46:53,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2689 states, 1709 states have (on average 1.97366881217086) internal successors, (3373), 2670 states have internal predecessors, (3373), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (19), 16 states have call predecessors, (19), 19 states have call successors, (19)
[2023-11-19 07:46:53,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2689 states and 3411 transitions.
[2023-11-19 07:46:53,824 INFO L78 Accepts]: Start accepts. Automaton has 2689 states and 3411 transitions. Word has length 3
[2023-11-19 07:46:53,825 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:46:53,825 INFO L495 AbstractCegarLoop]: Abstraction has 2689 states and 3411 transitions.
[2023-11-19 07:46:53,825 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 07:46:53,827 INFO L276 IsEmpty]: Start isEmpty. Operand 2689 states and 3411 transitions.
[2023-11-19 07:46:53,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2023-11-19 07:46:53,828 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:46:53,828 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:46:53,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/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 07:46:54,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/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 07:46:54,031 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 987 more)] ===
[2023-11-19 07:46:54,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:46:54,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1375609072, now seen corresponding path program 1 times
[2023-11-19 07:46:54,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:46:54,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [845050619]
[2023-11-19 07:46:54,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:46:54,034 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 07:46:54,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:46:54,081 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/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 07:46:54,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/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 07:46:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:46:54,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core
[2023-11-19 07:46:54,324 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:46:54,347 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 07:46:54,356 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 07:46:54,457 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-11-19 07:46:54,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9
[2023-11-19 07:46:54,484 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size
[2023-11-19 07:46:54,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13
[2023-11-19 07:46:54,511 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 07:46:54,511 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:46:54,512 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:46:54,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [845050619]
[2023-11-19 07:46:54,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [845050619] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:46:54,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:46:54,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:46:54,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933215728]
[2023-11-19 07:46:54,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:46:54,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:46:54,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:46:54,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:46:54,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:46:54,515 INFO L87 Difference]: Start difference. First operand 2689 states and 3411 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 07:47:06,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:47:06,233 INFO L93 Difference]: Finished difference Result 4969 states and 5841 transitions.
[2023-11-19 07:47:06,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:47:06,234 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 7
[2023-11-19 07:47:06,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:47:06,263 INFO L225 Difference]: With dead ends: 4969
[2023-11-19 07:47:06,263 INFO L226 Difference]: Without dead ends: 4969
[2023-11-19 07:47:06,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:47:06,265 INFO L413 NwaCegarLoop]: 783 mSDtfsCounter, 4346 mSDsluCounter, 1315 mSDsCounter, 0 mSdLazyCounter, 2713 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4356 SdHoareTripleChecker+Valid, 2098 SdHoareTripleChecker+Invalid, 2755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 2713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time
[2023-11-19 07:47:06,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4356 Valid, 2098 Invalid, 2755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 2713 Invalid, 0 Unknown, 0 Unchecked, 11.5s Time]
[2023-11-19 07:47:06,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4969 states.
[2023-11-19 07:47:06,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4969 to 3421.
[2023-11-19 07:47:06,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3421 states, 2441 states have (on average 2.011880376894715) internal successors, (4911), 3396 states have internal predecessors, (4911), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 22 states have call predecessors, (25), 25 states have call successors, (25)
[2023-11-19 07:47:06,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3421 states to 3421 states and 4961 transitions.
[2023-11-19 07:47:06,419 INFO L78 Accepts]: Start accepts. Automaton has 3421 states and 4961 transitions. Word has length 7
[2023-11-19 07:47:06,419 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:47:06,420 INFO L495 AbstractCegarLoop]: Abstraction has 3421 states and 4961 transitions.
[2023-11-19 07:47:06,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 07:47:06,422 INFO L276 IsEmpty]: Start isEmpty. Operand 3421 states and 4961 transitions.
[2023-11-19 07:47:06,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2023-11-19 07:47:06,423 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:47:06,423 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:47:06,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/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 07:47:06,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/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 07:47:06,626 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 987 more)] ===
[2023-11-19 07:47:06,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:47:06,627 INFO L85 PathProgramCache]: Analyzing trace with hash -305791726, now seen corresponding path program 1 times
[2023-11-19 07:47:06,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:47:06,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [746040286]
[2023-11-19 07:47:06,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:47:06,630 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 07:47:06,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:47:06,631 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/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 07:47:06,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f845acf2-d024-4b1e-a7a4-1f97f40fedd2/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 07:47:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:47:06,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:47:06,849 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:47:06,857 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 07:47:06,874 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 07:47:06,874 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:47:06,876 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:47:06,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [746040286]
[2023-11-19 07:47:06,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [746040286] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:47:06,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:47:06,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:47:06,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981229560]
[2023-11-19 07:47:06,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:47:06,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:47:06,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:47:06,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:47:06,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:47:06,880 INFO L87 Difference]: Start difference. First operand 3421 states and 4961 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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)