./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for memory safety (memcleanup)
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_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/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_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fe37ed55d149c65fede95413b0b499314c3ede2b9eb9a49f03115ea64cafc68c
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:33:17,350 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:33:17,423 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-MemCleanup-32bit-Automizer_Default.epf
[2023-11-19 07:33:17,429 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:33:17,430 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:33:17,456 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:33:17,457 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:33:17,458 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:33:17,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:33:17,459 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:33:17,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:33:17,461 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:33:17,462 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:33:17,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:33:17,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:33:17,464 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:33:17,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:33:17,465 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:33:17,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:33:17,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:33:17,467 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2023-11-19 07:33:17,475 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2023-11-19 07:33:17,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:33:17,476 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:33:17,477 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-19 07:33:17,477 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:33:17,477 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:33:17,478 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:33:17,478 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:33:17,479 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:33:17,480 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:33:17,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:33:17,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:33:17,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:33:17,482 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:33:17,483 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:33:17,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:33:17,484 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:33:17,484 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:33:17,484 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:33:17,484 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:33:17,485 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_611193f1-9735-4f07-afd9-9e04b235a299/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe37ed55d149c65fede95413b0b499314c3ede2b9eb9a49f03115ea64cafc68c
[2023-11-19 07:33:17,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:33:17,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:33:17,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:33:17,856 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:33:17,856 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:33:17,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i
[2023-11-19 07:33:21,106 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:33:21,464 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:33:21,464 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i
[2023-11-19 07:33:21,486 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/data/ee428e1c6/d572ab7a61fb43cabf8da73ec49cc330/FLAG0749bc0eb
[2023-11-19 07:33:21,511 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/data/ee428e1c6/d572ab7a61fb43cabf8da73ec49cc330
[2023-11-19 07:33:21,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:33:21,517 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:33:21,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:33:21,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:33:21,526 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:33:21,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:33:21" (1/1) ...
[2023-11-19 07:33:21,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ebad0ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:21, skipping insertion in model container
[2023-11-19 07:33:21,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:33:21" (1/1) ...
[2023-11-19 07:33:21,616 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:33:22,225 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:33:22,240 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation)
[2023-11-19 07:33:22,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20df88a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:22, skipping insertion in model container
[2023-11-19 07:33:22,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:33:22,242 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner
[2023-11-19 07:33:22,244 INFO L158 Benchmark]: Toolchain (without parser) took 725.85ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 78.7MB in the beginning and 136.9MB in the end (delta: -58.2MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB.
[2023-11-19 07:33:22,245 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory was 74.7MB in the beginning and 74.6MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:33:22,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 722.21ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 78.3MB in the beginning and 136.9MB in the end (delta: -58.6MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB.
[2023-11-19 07:33:22,248 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory was 74.7MB in the beginning and 74.6MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 722.21ms. Allocated memory was 138.4MB in the beginning and 174.1MB in the end (delta: 35.7MB). Free memory was 78.3MB in the beginning and 136.9MB in the end (delta: -58.6MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- UnsupportedSyntaxResult [Line: 766]: 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_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/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_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fe37ed55d149c65fede95413b0b499314c3ede2b9eb9a49f03115ea64cafc68c
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:33:24,790 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:33:24,927 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf
[2023-11-19 07:33:24,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:33:24,939 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:33:24,989 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:33:24,989 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:33:24,990 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:33:24,991 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:33:24,996 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:33:24,997 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:33:24,997 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:33:24,998 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:33:25,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:33:25,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:33:25,001 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:33:25,002 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:33:25,002 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:33:25,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:33:25,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:33:25,004 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2023-11-19 07:33:25,005 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2023-11-19 07:33:25,005 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:33:25,005 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:33:25,006 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-19 07:33:25,006 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2023-11-19 07:33:25,007 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-19 07:33:25,007 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:33:25,007 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:33:25,008 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:33:25,009 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:33:25,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:33:25,010 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:33:25,010 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:33:25,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:33:25,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:33:25,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:33:25,011 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2023-11-19 07:33:25,012 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-11-19 07:33:25,013 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:33:25,013 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:33:25,013 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:33:25,013 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2023-11-19 07:33:25,014 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:33:25,014 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_611193f1-9735-4f07-afd9-9e04b235a299/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe37ed55d149c65fede95413b0b499314c3ede2b9eb9a49f03115ea64cafc68c
[2023-11-19 07:33:25,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:33:25,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:33:25,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:33:25,448 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:33:25,451 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:33:25,452 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i
[2023-11-19 07:33:28,653 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:33:29,101 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:33:29,103 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test8-2.i
[2023-11-19 07:33:29,132 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/data/90be9ff54/706ea67aa97b487ba141384d169c38cf/FLAG0d2a04d34
[2023-11-19 07:33:29,151 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/data/90be9ff54/706ea67aa97b487ba141384d169c38cf
[2023-11-19 07:33:29,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:33:29,160 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:33:29,164 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:33:29,165 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:33:29,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:33:29,171 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:33:29" (1/1) ...
[2023-11-19 07:33:29,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e727b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:29, skipping insertion in model container
[2023-11-19 07:33:29,173 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:33:29" (1/1) ...
[2023-11-19 07:33:29,261 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:33:29,984 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:33:30,001 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2023-11-19 07:33:30,015 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:33:30,095 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:33:30,099 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:33:30,234 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:33:30,291 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:33:30,298 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:33:30,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:30 WrapperNode
[2023-11-19 07:33:30,298 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:33:30,300 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:33:30,300 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:33:30,300 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:33:30,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:30" (1/1) ...
[2023-11-19 07:33:30,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:30" (1/1) ...
[2023-11-19 07:33:30,435 INFO L138 Inliner]: procedures = 180, calls = 350, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1160
[2023-11-19 07:33:30,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:33:30,444 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:33:30,444 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:33:30,444 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:33:30,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:30" (1/1) ...
[2023-11-19 07:33:30,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:30" (1/1) ...
[2023-11-19 07:33:30,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:30" (1/1) ...
[2023-11-19 07:33:30,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:30" (1/1) ...
[2023-11-19 07:33:30,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:30" (1/1) ...
[2023-11-19 07:33:30,545 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:30" (1/1) ...
[2023-11-19 07:33:30,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:30" (1/1) ...
[2023-11-19 07:33:30,558 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:30" (1/1) ...
[2023-11-19 07:33:30,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:33:30,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:33:30,572 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:33:30,572 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:33:30,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:30" (1/1) ...
[2023-11-19 07:33:30,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:33:30,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:33:30,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:33:30,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:33:30,655 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2023-11-19 07:33:30,655 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2023-11-19 07:33:30,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1
[2023-11-19 07:33:30,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2023-11-19 07:33:30,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2023-11-19 07:33:30,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2023-11-19 07:33:30,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2023-11-19 07:33:30,656 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2023-11-19 07:33:30,656 INFO L130 BoogieDeclarations]: Found specification of procedure test_int
[2023-11-19 07:33:30,656 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int
[2023-11-19 07:33:30,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-19 07:33:30,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:33:30,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2023-11-19 07:33:30,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:33:30,657 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp
[2023-11-19 07:33:30,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2023-11-19 07:33:30,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:33:30,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2023-11-19 07:33:30,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2023-11-19 07:33:30,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:33:30,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:33:30,929 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:33:30,934 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:33:39,457 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:33:39,469 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:33:39,469 INFO L302 CfgBuilder]: Removed 71 assume(true) statements.
[2023-11-19 07:33:39,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:33:39 BoogieIcfgContainer
[2023-11-19 07:33:39,476 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:33:39,478 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:33:39,478 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:33:39,482 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:33:39,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:33:29" (1/3) ...
[2023-11-19 07:33:39,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e00a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:33:39, skipping insertion in model container
[2023-11-19 07:33:39,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:33:30" (2/3) ...
[2023-11-19 07:33:39,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e00a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:33:39, skipping insertion in model container
[2023-11-19 07:33:39,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:33:39" (3/3) ...
[2023-11-19 07:33:39,485 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test8-2.i
[2023-11-19 07:33:39,505 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:33:39,505 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2023-11-19 07:33:39,557 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:33:39,574 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;@2cbe6cd1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:33:39,574 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2023-11-19 07:33:39,580 INFO L276 IsEmpty]: Start isEmpty. Operand has 268 states, 239 states have (on average 1.6652719665271967) internal successors, (398), 258 states have internal predecessors, (398), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22)
[2023-11-19 07:33:39,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2023-11-19 07:33:39,589 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:33:39,590 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:33:39,590 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:33:39,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:33:39,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1977871756, now seen corresponding path program 1 times
[2023-11-19 07:33:39,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:33:39,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1769505440]
[2023-11-19 07:33:39,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:33:39,611 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 07:33:39,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:33:39,615 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/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 07:33:39,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/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 07:33:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:33:39,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-11-19 07:33:39,901 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:33:39,926 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 07:33:39,927 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:33:39,927 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:33:39,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1769505440]
[2023-11-19 07:33:39,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1769505440] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:33:39,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:33:39,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:33:39,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14992570]
[2023-11-19 07:33:39,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:33:39,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:33:39,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:33:39,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:33:39,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:33:39,989 INFO L87 Difference]: Start difference. First operand has 268 states, 239 states have (on average 1.6652719665271967) internal successors, (398), 258 states have internal predecessors, (398), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:33:40,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:33:40,038 INFO L93 Difference]: Finished difference Result 266 states and 362 transitions.
[2023-11-19 07:33:40,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 07:33:40,040 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2023-11-19 07:33:40,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:33:40,052 INFO L225 Difference]: With dead ends: 266
[2023-11-19 07:33:40,052 INFO L226 Difference]: Without dead ends: 264
[2023-11-19 07:33:40,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:33:40,058 INFO L413 NwaCegarLoop]: 362 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:33:40,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:33:40,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states.
[2023-11-19 07:33:40,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264.
[2023-11-19 07:33:40,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 237 states have (on average 1.3417721518987342) internal successors, (318), 254 states have internal predecessors, (318), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20)
[2023-11-19 07:33:40,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 360 transitions.
[2023-11-19 07:33:40,128 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 360 transitions. Word has length 11
[2023-11-19 07:33:40,128 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:33:40,129 INFO L495 AbstractCegarLoop]: Abstraction has 264 states and 360 transitions.
[2023-11-19 07:33:40,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:33:40,129 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 360 transitions.
[2023-11-19 07:33:40,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-11-19 07:33:40,130 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:33:40,130 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:33:40,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2023-11-19 07:33:40,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/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 07:33:40,335 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:33:40,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:33:40,336 INFO L85 PathProgramCache]: Analyzing trace with hash 984879060, now seen corresponding path program 1 times
[2023-11-19 07:33:40,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:33:40,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [863753232]
[2023-11-19 07:33:40,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:33:40,337 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 07:33:40,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:33:40,344 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/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 07:33:40,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/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 07:33:40,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:33:40,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 8 conjunts are in the unsatisfiable core
[2023-11-19 07:33:40,634 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:33:40,699 INFO L173 IndexEqualityManager]: detected equality via solver
[2023-11-19 07:33:40,699 INFO L173 IndexEqualityManager]: detected equality via solver
[2023-11-19 07:33:40,700 INFO L173 IndexEqualityManager]: detected equality via solver
[2023-11-19 07:33:40,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39
[2023-11-19 07:33:40,799 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2023-11-19 07:33:40,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26
[2023-11-19 07:33:40,829 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 07:33:40,829 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:33:40,830 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:33:40,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [863753232]
[2023-11-19 07:33:40,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [863753232] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:33:40,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:33:40,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:33:40,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672645822]
[2023-11-19 07:33:40,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:33:40,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:33:40,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:33:40,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:33:40,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:33:40,839 INFO L87 Difference]: Start difference. First operand 264 states and 360 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 07:33:43,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-11-19 07:33:46,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-11-19 07:33:48,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2023-11-19 07:33:52,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:33:52,303 INFO L93 Difference]: Finished difference Result 408 states and 551 transitions.
[2023-11-19 07:33:52,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:33:52,304 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 13
[2023-11-19 07:33:52,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:33:52,309 INFO L225 Difference]: With dead ends: 408
[2023-11-19 07:33:52,309 INFO L226 Difference]: Without dead ends: 408
[2023-11-19 07:33:52,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:33:52,310 INFO L413 NwaCegarLoop]: 337 mSDtfsCounter, 176 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 943 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time
[2023-11-19 07:33:52,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 943 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 190 Invalid, 2 Unknown, 0 Unchecked, 11.4s Time]
[2023-11-19 07:33:52,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states.
[2023-11-19 07:33:52,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 266.
[2023-11-19 07:33:52,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 239 states have (on average 1.3389121338912133) internal successors, (320), 256 states have internal predecessors, (320), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20)
[2023-11-19 07:33:52,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 362 transitions.
[2023-11-19 07:33:52,364 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 362 transitions. Word has length 13
[2023-11-19 07:33:52,364 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:33:52,364 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 362 transitions.
[2023-11-19 07:33:52,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 07:33:52,365 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 362 transitions.
[2023-11-19 07:33:52,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68
[2023-11-19 07:33:52,368 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:33:52,368 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:33:52,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/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 07:33:52,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/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 07:33:52,574 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:33:52,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:33:52,575 INFO L85 PathProgramCache]: Analyzing trace with hash -554020586, now seen corresponding path program 1 times
[2023-11-19 07:33:52,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:33:52,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2119787327]
[2023-11-19 07:33:52,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:33:52,577 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 07:33:52,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:33:52,578 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/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 07:33:52,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/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 07:33:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:33:53,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:33:53,007 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:33:53,051 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 07:33:53,051 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:33:53,051 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:33:53,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2119787327]
[2023-11-19 07:33:53,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2119787327] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:33:53,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:33:53,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:33:53,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811811189]
[2023-11-19 07:33:53,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:33:53,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:33:53,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:33:53,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:33:53,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:33:53,055 INFO L87 Difference]: Start difference. First operand 266 states and 362 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:33:53,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:33:53,239 INFO L93 Difference]: Finished difference Result 270 states and 358 transitions.
[2023-11-19 07:33:53,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:33:53,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67
[2023-11-19 07:33:53,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:33:53,242 INFO L225 Difference]: With dead ends: 270
[2023-11-19 07:33:53,242 INFO L226 Difference]: Without dead ends: 270
[2023-11-19 07:33:53,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:33:53,244 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 37 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 966 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-19 07:33:53,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 966 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-19 07:33:53,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states.
[2023-11-19 07:33:53,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 269.
[2023-11-19 07:33:53,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 242 states have (on average 1.3016528925619835) internal successors, (315), 259 states have internal predecessors, (315), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20)
[2023-11-19 07:33:53,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 357 transitions.
[2023-11-19 07:33:53,273 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 357 transitions. Word has length 67
[2023-11-19 07:33:53,273 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:33:53,274 INFO L495 AbstractCegarLoop]: Abstraction has 269 states and 357 transitions.
[2023-11-19 07:33:53,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:33:53,274 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 357 transitions.
[2023-11-19 07:33:53,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68
[2023-11-19 07:33:53,277 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:33:53,278 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:33:53,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/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 07:33:53,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/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 07:33:53,478 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:33:53,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:33:53,479 INFO L85 PathProgramCache]: Analyzing trace with hash -575907190, now seen corresponding path program 1 times
[2023-11-19 07:33:53,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:33:53,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1860994619]
[2023-11-19 07:33:53,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:33:53,481 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 07:33:53,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:33:53,485 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/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 07:33:53,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/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 07:33:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:33:53,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-11-19 07:33:53,950 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:33:54,154 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 07:33:54,154 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:33:54,154 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:33:54,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1860994619]
[2023-11-19 07:33:54,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1860994619] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:33:54,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:33:54,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:33:54,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490641379]
[2023-11-19 07:33:54,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:33:54,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:33:54,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:33:54,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:33:54,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:33:54,157 INFO L87 Difference]: Start difference. First operand 269 states and 357 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:33:54,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:33:54,275 INFO L93 Difference]: Finished difference Result 263 states and 347 transitions.
[2023-11-19 07:33:54,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:33:54,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67
[2023-11-19 07:33:54,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:33:54,282 INFO L225 Difference]: With dead ends: 263
[2023-11-19 07:33:54,283 INFO L226 Difference]: Without dead ends: 263
[2023-11-19 07:33:54,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:33:54,287 INFO L413 NwaCegarLoop]: 329 mSDtfsCounter, 7 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 965 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:33:54,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 965 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:33:54,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states.
[2023-11-19 07:33:54,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263.
[2023-11-19 07:33:54,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 236 states have (on average 1.2923728813559323) internal successors, (305), 253 states have internal predecessors, (305), 22 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20)
[2023-11-19 07:33:54,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 347 transitions.
[2023-11-19 07:33:54,319 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 347 transitions. Word has length 67
[2023-11-19 07:33:54,319 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:33:54,319 INFO L495 AbstractCegarLoop]: Abstraction has 263 states and 347 transitions.
[2023-11-19 07:33:54,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:33:54,319 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 347 transitions.
[2023-11-19 07:33:54,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68
[2023-11-19 07:33:54,327 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:33:54,328 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:33:54,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/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)] Forceful destruction successful, exit code 0
[2023-11-19 07:33:54,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/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 07:33:54,531 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:33:54,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:33:54,532 INFO L85 PathProgramCache]: Analyzing trace with hash -181540404, now seen corresponding path program 1 times
[2023-11-19 07:33:54,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:33:54,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [509056558]
[2023-11-19 07:33:54,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:33:54,533 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 07:33:54,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:33:54,535 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/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 07:33:54,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2023-11-19 07:33:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:33:54,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:33:54,975 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:33:55,406 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 07:33:55,407 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:33:55,407 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:33:55,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [509056558]
[2023-11-19 07:33:55,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [509056558] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:33:55,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:33:55,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:33:55,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745474912]
[2023-11-19 07:33:55,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:33:55,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:33:55,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:33:55,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:33:55,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:33:55,410 INFO L87 Difference]: Start difference. First operand 263 states and 347 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:33:56,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:33:56,505 INFO L93 Difference]: Finished difference Result 402 states and 518 transitions.
[2023-11-19 07:33:56,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:33:56,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67
[2023-11-19 07:33:56,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:33:56,509 INFO L225 Difference]: With dead ends: 402
[2023-11-19 07:33:56,509 INFO L226 Difference]: Without dead ends: 402
[2023-11-19 07:33:56,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:33:56,510 INFO L413 NwaCegarLoop]: 382 mSDtfsCounter, 133 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:33:56,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 684 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2023-11-19 07:33:56,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states.
[2023-11-19 07:33:56,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 369.
[2023-11-19 07:33:56,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 341 states have (on average 1.2668621700879765) internal successors, (432), 358 states have internal predecessors, (432), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21)
[2023-11-19 07:33:56,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 476 transitions.
[2023-11-19 07:33:56,528 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 476 transitions. Word has length 67
[2023-11-19 07:33:56,528 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:33:56,528 INFO L495 AbstractCegarLoop]: Abstraction has 369 states and 476 transitions.
[2023-11-19 07:33:56,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:33:56,529 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 476 transitions.
[2023-11-19 07:33:56,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2023-11-19 07:33:56,531 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:33:56,531 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:33:56,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0
[2023-11-19 07:33:56,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/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 07:33:56,739 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:33:56,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:33:56,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1210231181, now seen corresponding path program 1 times
[2023-11-19 07:33:56,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:33:56,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1439642574]
[2023-11-19 07:33:56,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:33:56,741 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 07:33:56,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:33:56,742 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/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 07:33:56,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process
[2023-11-19 07:33:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:33:57,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:33:57,310 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:33:57,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:33:57,362 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:33:57,362 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:33:57,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1439642574]
[2023-11-19 07:33:57,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1439642574] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:33:57,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:33:57,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:33:57,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354335401]
[2023-11-19 07:33:57,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:33:57,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:33:57,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:33:57,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:33:57,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:33:57,364 INFO L87 Difference]: Start difference. First operand 369 states and 476 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 07:33:57,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:33:57,433 INFO L93 Difference]: Finished difference Result 372 states and 480 transitions.
[2023-11-19 07:33:57,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:33:57,434 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 82
[2023-11-19 07:33:57,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:33:57,438 INFO L225 Difference]: With dead ends: 372
[2023-11-19 07:33:57,438 INFO L226 Difference]: Without dead ends: 372
[2023-11-19 07:33:57,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:33:57,439 INFO L413 NwaCegarLoop]: 342 mSDtfsCounter, 2 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:33:57,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1022 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:33:57,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states.
[2023-11-19 07:33:57,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372.
[2023-11-19 07:33:57,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 343 states have (on average 1.2682215743440233) internal successors, (435), 361 states have internal predecessors, (435), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22)
[2023-11-19 07:33:57,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 480 transitions.
[2023-11-19 07:33:57,454 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 480 transitions. Word has length 82
[2023-11-19 07:33:57,455 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:33:57,455 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 480 transitions.
[2023-11-19 07:33:57,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 07:33:57,455 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 480 transitions.
[2023-11-19 07:33:57,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85
[2023-11-19 07:33:57,457 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:33:57,457 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:33:57,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0
[2023-11-19 07:33:57,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/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 07:33:57,666 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:33:57,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:33:57,667 INFO L85 PathProgramCache]: Analyzing trace with hash -2062939407, now seen corresponding path program 1 times
[2023-11-19 07:33:57,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:33:57,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1379376649]
[2023-11-19 07:33:57,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:33:57,668 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 07:33:57,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:33:57,670 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/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 07:33:57,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process
[2023-11-19 07:33:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:33:58,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 07:33:58,258 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:33:58,350 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-19 07:33:58,350 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:33:58,522 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 07:33:58,522 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:33:58,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1379376649]
[2023-11-19 07:33:58,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1379376649] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:33:58,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-19 07:33:58,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8
[2023-11-19 07:33:58,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934723515]
[2023-11-19 07:33:58,523 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:33:58,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-11-19 07:33:58,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:33:58,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-11-19 07:33:58,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-11-19 07:33:58,525 INFO L87 Difference]: Start difference. First operand 372 states and 480 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2023-11-19 07:33:58,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:33:58,825 INFO L93 Difference]: Finished difference Result 383 states and 496 transitions.
[2023-11-19 07:33:58,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2023-11-19 07:33:58,826 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 84
[2023-11-19 07:33:58,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:33:58,829 INFO L225 Difference]: With dead ends: 383
[2023-11-19 07:33:58,829 INFO L226 Difference]: Without dead ends: 383
[2023-11-19 07:33:58,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156
[2023-11-19 07:33:58,830 INFO L413 NwaCegarLoop]: 343 mSDtfsCounter, 9 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1027 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-19 07:33:58,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1027 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-19 07:33:58,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states.
[2023-11-19 07:33:58,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 381.
[2023-11-19 07:33:58,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 351 states have (on average 1.2792022792022792) internal successors, (449), 369 states have internal predecessors, (449), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22)
[2023-11-19 07:33:58,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 494 transitions.
[2023-11-19 07:33:58,854 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 494 transitions. Word has length 84
[2023-11-19 07:33:58,855 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:33:58,855 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 494 transitions.
[2023-11-19 07:33:58,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2023-11-19 07:33:58,855 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 494 transitions.
[2023-11-19 07:33:58,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89
[2023-11-19 07:33:58,859 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:33:58,859 INFO L195 NwaCegarLoop]: trace histogram [6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:33:58,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0
[2023-11-19 07:33:59,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/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 07:33:59,071 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:33:59,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:33:59,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1837260461, now seen corresponding path program 2 times
[2023-11-19 07:33:59,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:33:59,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1658536585]
[2023-11-19 07:33:59,072 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-19 07:33:59,072 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 07:33:59,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:33:59,073 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/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 07:33:59,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process
[2023-11-19 07:34:00,402 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-11-19 07:34:00,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 07:34:00,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 7 conjunts are in the unsatisfiable core
[2023-11-19 07:34:00,438 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:34:00,587 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-11-19 07:34:00,587 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:34:00,991 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-11-19 07:34:00,992 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:34:00,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1658536585]
[2023-11-19 07:34:00,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1658536585] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:34:00,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-19 07:34:00,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14
[2023-11-19 07:34:00,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452165048]
[2023-11-19 07:34:00,992 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:34:00,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2023-11-19 07:34:00,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:34:00,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2023-11-19 07:34:00,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182
[2023-11-19 07:34:00,994 INFO L87 Difference]: Start difference. First operand 381 states and 494 transitions. Second operand has 14 states, 14 states have (on average 6.5) internal successors, (91), 14 states have internal predecessors, (91), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2023-11-19 07:34:02,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:34:02,187 INFO L93 Difference]: Finished difference Result 402 states and 522 transitions.
[2023-11-19 07:34:02,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2023-11-19 07:34:02,188 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.5) internal successors, (91), 14 states have internal predecessors, (91), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 88
[2023-11-19 07:34:02,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:34:02,191 INFO L225 Difference]: With dead ends: 402
[2023-11-19 07:34:02,192 INFO L226 Difference]: Without dead ends: 398
[2023-11-19 07:34:02,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=257, Invalid=499, Unknown=0, NotChecked=0, Total=756
[2023-11-19 07:34:02,193 INFO L413 NwaCegarLoop]: 346 mSDtfsCounter, 18 mSDsluCounter, 2056 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2402 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-11-19 07:34:02,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2402 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-11-19 07:34:02,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states.
[2023-11-19 07:34:02,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 390.
[2023-11-19 07:34:02,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 360 states have (on average 1.2805555555555554) internal successors, (461), 378 states have internal predecessors, (461), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22)
[2023-11-19 07:34:02,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 506 transitions.
[2023-11-19 07:34:02,210 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 506 transitions. Word has length 88
[2023-11-19 07:34:02,211 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:34:02,211 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 506 transitions.
[2023-11-19 07:34:02,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.5) internal successors, (91), 14 states have internal predecessors, (91), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2023-11-19 07:34:02,211 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 506 transitions.
[2023-11-19 07:34:02,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98
[2023-11-19 07:34:02,213 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:34:02,213 INFO L195 NwaCegarLoop]: trace histogram [15, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:34:02,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0
[2023-11-19 07:34:02,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:34:02,427 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:34:02,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:34:02,427 INFO L85 PathProgramCache]: Analyzing trace with hash -2095059644, now seen corresponding path program 3 times
[2023-11-19 07:34:02,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:34:02,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [844164492]
[2023-11-19 07:34:02,428 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-11-19 07:34:02,428 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:34:02,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:34:02,429 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 07:34:02,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process
[2023-11-19 07:34:05,538 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s)
[2023-11-19 07:34:05,538 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 07:34:05,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 9 conjunts are in the unsatisfiable core
[2023-11-19 07:34:05,591 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:34:05,778 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 68 proven. 15 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked.
[2023-11-19 07:34:05,779 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:34:06,262 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 68 proven. 15 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked.
[2023-11-19 07:34:06,262 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:34:06,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [844164492]
[2023-11-19 07:34:06,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [844164492] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:34:06,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-19 07:34:06,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16
[2023-11-19 07:34:06,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991247128]
[2023-11-19 07:34:06,275 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:34:06,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2023-11-19 07:34:06,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:34:06,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2023-11-19 07:34:06,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240
[2023-11-19 07:34:06,278 INFO L87 Difference]: Start difference. First operand 390 states and 506 transitions. Second operand has 16 states, 16 states have (on average 5.5625) internal successors, (89), 16 states have internal predecessors, (89), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)
[2023-11-19 07:34:07,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:34:07,586 INFO L93 Difference]: Finished difference Result 409 states and 531 transitions.
[2023-11-19 07:34:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2023-11-19 07:34:07,587 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.5625) internal successors, (89), 16 states have internal predecessors, (89), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 97
[2023-11-19 07:34:07,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:34:07,590 INFO L225 Difference]: With dead ends: 409
[2023-11-19 07:34:07,590 INFO L226 Difference]: Without dead ends: 407
[2023-11-19 07:34:07,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=288, Invalid=524, Unknown=0, NotChecked=0, Total=812
[2023-11-19 07:34:07,592 INFO L413 NwaCegarLoop]: 345 mSDtfsCounter, 29 mSDsluCounter, 2391 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 2736 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-11-19 07:34:07,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 2736 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-11-19 07:34:07,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states.
[2023-11-19 07:34:07,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 397.
[2023-11-19 07:34:07,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 367 states have (on average 1.2915531335149864) internal successors, (474), 385 states have internal predecessors, (474), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22)
[2023-11-19 07:34:07,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 519 transitions.
[2023-11-19 07:34:07,617 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 519 transitions. Word has length 97
[2023-11-19 07:34:07,618 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:34:07,618 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 519 transitions.
[2023-11-19 07:34:07,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.5625) internal successors, (89), 16 states have internal predecessors, (89), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)
[2023-11-19 07:34:07,619 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 519 transitions.
[2023-11-19 07:34:07,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105
[2023-11-19 07:34:07,620 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:34:07,621 INFO L195 NwaCegarLoop]: trace histogram [22, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:34:07,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0
[2023-11-19 07:34:07,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:34:07,835 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:34:07,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:34:07,836 INFO L85 PathProgramCache]: Analyzing trace with hash -214903021, now seen corresponding path program 4 times
[2023-11-19 07:34:07,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:34:07,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729542040]
[2023-11-19 07:34:07,837 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2023-11-19 07:34:07,837 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:34:07,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:34:07,838 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 07:34:07,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process
[2023-11-19 07:34:08,530 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2023-11-19 07:34:08,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 07:34:08,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 13 conjunts are in the unsatisfiable core
[2023-11-19 07:34:08,575 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:34:08,981 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 146 proven. 55 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked.
[2023-11-19 07:34:08,981 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:34:10,066 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked.
[2023-11-19 07:34:10,066 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:34:10,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729542040]
[2023-11-19 07:34:10,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [729542040] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:34:10,067 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-19 07:34:10,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26
[2023-11-19 07:34:10,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103571320]
[2023-11-19 07:34:10,067 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:34:10,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states
[2023-11-19 07:34:10,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:34:10,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants.
[2023-11-19 07:34:10,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650
[2023-11-19 07:34:10,070 INFO L87 Difference]: Start difference. First operand 397 states and 519 transitions. Second operand has 26 states, 26 states have (on average 3.9615384615384617) internal successors, (103), 26 states have internal predecessors, (103), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2023-11-19 07:34:13,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:34:13,685 INFO L93 Difference]: Finished difference Result 433 states and 565 transitions.
[2023-11-19 07:34:13,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states.
[2023-11-19 07:34:13,692 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.9615384615384617) internal successors, (103), 26 states have internal predecessors, (103), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 104
[2023-11-19 07:34:13,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:34:13,697 INFO L225 Difference]: With dead ends: 433
[2023-11-19 07:34:13,698 INFO L226 Difference]: Without dead ends: 429
[2023-11-19 07:34:13,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=998, Invalid=2194, Unknown=0, NotChecked=0, Total=3192
[2023-11-19 07:34:13,702 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 33 mSDsluCounter, 4506 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 4857 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2023-11-19 07:34:13,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 4857 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2023-11-19 07:34:13,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states.
[2023-11-19 07:34:13,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 409.
[2023-11-19 07:34:13,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 379 states have (on average 1.2823218997361479) internal successors, (486), 397 states have internal predecessors, (486), 23 states have call successors, (23), 5 states have call predecessors, (23), 5 states have return successors, (22), 7 states have call predecessors, (22), 21 states have call successors, (22)
[2023-11-19 07:34:13,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 531 transitions.
[2023-11-19 07:34:13,718 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 531 transitions. Word has length 104
[2023-11-19 07:34:13,718 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:34:13,718 INFO L495 AbstractCegarLoop]: Abstraction has 409 states and 531 transitions.
[2023-11-19 07:34:13,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.9615384615384617) internal successors, (103), 26 states have internal predecessors, (103), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2023-11-19 07:34:13,719 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 531 transitions.
[2023-11-19 07:34:13,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117
[2023-11-19 07:34:13,720 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:34:13,721 INFO L195 NwaCegarLoop]: trace histogram [34, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:34:13,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0
[2023-11-19 07:34:13,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:34:13,932 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:34:13,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:34:13,932 INFO L85 PathProgramCache]: Analyzing trace with hash 623566163, now seen corresponding path program 5 times
[2023-11-19 07:34:13,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:34:13,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [949870625]
[2023-11-19 07:34:13,934 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2023-11-19 07:34:13,934 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-19 07:34:13,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:34:13,935 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-19 07:34:13,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_611193f1-9735-4f07-afd9-9e04b235a299/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process
[2023-11-19 07:34:15,661 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s)
[2023-11-19 07:34:15,661 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 07:34:15,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 25 conjunts are in the unsatisfiable core
[2023-11-19 07:34:15,705 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:34:16,770 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 302 proven. 253 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked.
[2023-11-19 07:34:16,770 INFO L327 TraceCheckSpWp]: Computing backward predicates...