./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-1.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for memory safety (memcleanup)
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 adfc1710e761824cc0d761ee45a1724b8fd34135f47dcc82b27f8b64b97ca013
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:56:10,340 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:56:10,460 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-MemCleanup-32bit-Automizer_Default.epf
[2023-11-19 07:56:10,471 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:56:10,472 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:56:10,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:56:10,512 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:56:10,512 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:56:10,513 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:56:10,518 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:56:10,519 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:56:10,519 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:56:10,520 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:56:10,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:56:10,522 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:56:10,523 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:56:10,523 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:56:10,524 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:56:10,524 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:56:10,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:56:10,525 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2023-11-19 07:56:10,525 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2023-11-19 07:56:10,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:56:10,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:56:10,528 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-19 07:56:10,528 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:56:10,529 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:56:10,529 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:56:10,530 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:56:10,530 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:56:10,531 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:56:10,532 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:56:10,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:56:10,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:56:10,532 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:56:10,533 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-19 07:56:10,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:56:10,533 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:56:10,533 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:56:10,534 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:56:10,534 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:56:10,534 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_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adfc1710e761824cc0d761ee45a1724b8fd34135f47dcc82b27f8b64b97ca013
[2023-11-19 07:56:10,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:56:10,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:56:10,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:56:10,854 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:56:10,855 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:56:10,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-1.i
[2023-11-19 07:56:13,824 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:56:14,167 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:56:14,168 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-1.i
[2023-11-19 07:56:14,199 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/data/ec88c85a0/d27c1cd075884df981a4418b63b42a74/FLAGbf52b7227
[2023-11-19 07:56:14,221 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/data/ec88c85a0/d27c1cd075884df981a4418b63b42a74
[2023-11-19 07:56:14,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:56:14,228 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:56:14,231 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:56:14,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:56:14,237 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:56:14,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:14" (1/1) ...
[2023-11-19 07:56:14,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f28e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:14, skipping insertion in model container
[2023-11-19 07:56:14,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:14" (1/1) ...
[2023-11-19 07:56:14,330 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:56:15,023 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:56:15,034 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 07:56:15,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2b798946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:15, skipping insertion in model container
[2023-11-19 07:56:15,035 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:56:15,036 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner
[2023-11-19 07:56:15,038 INFO L158 Benchmark]: Toolchain (without parser) took 808.62ms. Allocated memory is still 144.7MB. Free memory was 96.0MB in the beginning and 73.4MB in the end (delta: 22.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
[2023-11-19 07:56:15,038 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 100.7MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:56:15,039 INFO L158 Benchmark]: CACSL2BoogieTranslator took 804.36ms. Allocated memory is still 144.7MB. Free memory was 95.7MB in the beginning and 73.4MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
[2023-11-19 07:56:15,041 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.27ms. Allocated memory is still 100.7MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 804.36ms. Allocated memory is still 144.7MB. Free memory was 95.7MB in the beginning and 73.4MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- UnsupportedSyntaxResult [Line: 737]: Unsupported Syntax
Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 adfc1710e761824cc0d761ee45a1724b8fd34135f47dcc82b27f8b64b97ca013
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:56:17,539 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:56:17,675 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf
[2023-11-19 07:56:17,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:56:17,686 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:56:17,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:56:17,735 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:56:17,736 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:56:17,737 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:56:17,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:56:17,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:56:17,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-19 07:56:17,743 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-19 07:56:17,746 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:56:17,746 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:56:17,747 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 07:56:17,747 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 07:56:17,747 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 07:56:17,748 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 07:56:17,749 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:56:17,749 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2023-11-19 07:56:17,750 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2023-11-19 07:56:17,750 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:56:17,751 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:56:17,751 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-19 07:56:17,751 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2023-11-19 07:56:17,752 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-19 07:56:17,752 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-19 07:56:17,753 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 07:56:17,753 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 07:56:17,754 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 07:56:17,755 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:56:17,755 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-19 07:56:17,755 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 07:56:17,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:56:17,756 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:56:17,756 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:56:17,756 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2023-11-19 07:56:17,757 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-11-19 07:56:17,758 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:56:17,758 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:56:17,758 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:56:17,759 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2023-11-19 07:56:17,759 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:56:17,760 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_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adfc1710e761824cc0d761ee45a1724b8fd34135f47dcc82b27f8b64b97ca013
[2023-11-19 07:56:18,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:56:18,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:56:18,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:56:18,216 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 07:56:18,217 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 07:56:18,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-1.i
[2023-11-19 07:56:21,454 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:56:21,914 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 07:56:21,915 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test5-1.i
[2023-11-19 07:56:21,945 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/data/9f7cc1848/5ed4f6ed5a274bcc8e22d0adf69a023a/FLAGd86b803a3
[2023-11-19 07:56:21,961 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/data/9f7cc1848/5ed4f6ed5a274bcc8e22d0adf69a023a
[2023-11-19 07:56:21,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:56:21,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:56:21,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:56:21,973 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:56:21,978 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:56:21,979 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:21" (1/1) ...
[2023-11-19 07:56:21,980 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c19ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:21, skipping insertion in model container
[2023-11-19 07:56:21,980 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:21" (1/1) ...
[2023-11-19 07:56:22,073 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:56:22,894 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:56:22,909 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2023-11-19 07:56:22,924 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:56:23,007 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:56:23,019 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 07:56:23,148 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:56:23,205 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler.
[2023-11-19 07:56:23,214 INFO L206 MainTranslator]: Completed translation
[2023-11-19 07:56:23,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:23 WrapperNode
[2023-11-19 07:56:23,215 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:56:23,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:56:23,216 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:56:23,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:56:23,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:23" (1/1) ...
[2023-11-19 07:56:23,271 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:23" (1/1) ...
[2023-11-19 07:56:23,379 INFO L138 Inliner]: procedures = 180, calls = 390, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1406
[2023-11-19 07:56:23,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:56:23,380 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:56:23,380 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:56:23,380 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:56:23,393 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:23" (1/1) ...
[2023-11-19 07:56:23,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:23" (1/1) ...
[2023-11-19 07:56:23,427 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:23" (1/1) ...
[2023-11-19 07:56:23,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:23" (1/1) ...
[2023-11-19 07:56:23,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:23" (1/1) ...
[2023-11-19 07:56:23,532 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:23" (1/1) ...
[2023-11-19 07:56:23,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:23" (1/1) ...
[2023-11-19 07:56:23,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:23" (1/1) ...
[2023-11-19 07:56:23,557 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:56:23,558 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:56:23,558 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:56:23,558 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:56:23,559 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:23" (1/1) ...
[2023-11-19 07:56:23,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:56:23,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:56:23,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:56:23,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:56:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2023-11-19 07:56:23,640 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2023-11-19 07:56:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1
[2023-11-19 07:56:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2023-11-19 07:56:23,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2023-11-19 07:56:23,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2023-11-19 07:56:23,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2023-11-19 07:56:23,643 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2023-11-19 07:56:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-19 07:56:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:56:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2023-11-19 07:56:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-19 07:56:23,645 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp
[2023-11-19 07:56:23,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2023-11-19 07:56:23,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-19 07:56:23,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2023-11-19 07:56:23,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2023-11-19 07:56:23,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:56:23,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:56:23,914 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 07:56:23,916 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:56:35,713 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 07:56:35,733 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:56:35,734 INFO L302 CfgBuilder]: Removed 83 assume(true) statements.
[2023-11-19 07:56:35,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:35 BoogieIcfgContainer
[2023-11-19 07:56:35,747 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:56:35,750 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:56:35,751 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:56:35,754 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:56:35,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:56:21" (1/3) ...
[2023-11-19 07:56:35,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea9c15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:35, skipping insertion in model container
[2023-11-19 07:56:35,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:23" (2/3) ...
[2023-11-19 07:56:35,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea9c15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:35, skipping insertion in model container
[2023-11-19 07:56:35,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:35" (3/3) ...
[2023-11-19 07:56:35,759 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test5-1.i
[2023-11-19 07:56:35,778 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:56:35,778 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2023-11-19 07:56:35,850 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:56:35,857 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;@296ed20b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:56:35,858 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2023-11-19 07:56:35,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 269 states, 250 states have (on average 1.672) internal successors, (418), 259 states have internal predecessors, (418), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13)
[2023-11-19 07:56:35,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2023-11-19 07:56:35,875 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:56:35,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:35,877 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:56:35,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:35,884 INFO L85 PathProgramCache]: Analyzing trace with hash 900720713, now seen corresponding path program 1 times
[2023-11-19 07:56:35,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:56:35,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [74426805]
[2023-11-19 07:56:35,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:35,903 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 07:56:35,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:56:35,906 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:35,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:36,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-11-19 07:56:36,132 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:56:36,153 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 07:56:36,154 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:56:36,154 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:56:36,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [74426805]
[2023-11-19 07:56:36,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [74426805] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:36,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:36,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:56:36,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886997906]
[2023-11-19 07:56:36,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:36,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:56:36,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:56:36,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:56:36,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:56:36,212 INFO L87 Difference]: Start difference. First operand has 269 states, 250 states have (on average 1.672) internal successors, (418), 259 states have internal predecessors, (418), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:56:36,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:36,254 INFO L93 Difference]: Finished difference Result 267 states and 349 transitions.
[2023-11-19 07:56:36,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 07:56:36,258 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2023-11-19 07:56:36,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:36,271 INFO L225 Difference]: With dead ends: 267
[2023-11-19 07:56:36,271 INFO L226 Difference]: Without dead ends: 265
[2023-11-19 07:56:36,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 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 07:56:36,277 INFO L413 NwaCegarLoop]: 349 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, 349 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 07:56:36,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:56:36,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states.
[2023-11-19 07:56:36,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265.
[2023-11-19 07:56:36,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 248 states have (on average 1.3024193548387097) internal successors, (323), 255 states have internal predecessors, (323), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11)
[2023-11-19 07:56:36,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 347 transitions.
[2023-11-19 07:56:36,346 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 347 transitions. Word has length 7
[2023-11-19 07:56:36,346 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:36,346 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 347 transitions.
[2023-11-19 07:56:36,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:56:36,347 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 347 transitions.
[2023-11-19 07:56:36,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2023-11-19 07:56:36,347 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:56:36,347 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:36,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:36,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:36,557 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:56:36,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:36,558 INFO L85 PathProgramCache]: Analyzing trace with hash 240403198, now seen corresponding path program 1 times
[2023-11-19 07:56:36,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:56:36,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [516321046]
[2023-11-19 07:56:36,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:36,563 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 07:56:36,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:56:36,565 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:36,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:36,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-11-19 07:56:36,774 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:56:36,800 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 07:56:36,800 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:56:36,801 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:56:36,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [516321046]
[2023-11-19 07:56:36,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [516321046] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:36,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:36,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:56:36,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757742877]
[2023-11-19 07:56:36,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:36,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:56:36,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:56:36,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:56:36,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:56:36,811 INFO L87 Difference]: Start difference. First operand 265 states and 347 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:56:37,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:37,421 INFO L93 Difference]: Finished difference Result 512 states and 676 transitions.
[2023-11-19 07:56:37,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:56:37,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2023-11-19 07:56:37,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:37,430 INFO L225 Difference]: With dead ends: 512
[2023-11-19 07:56:37,430 INFO L226 Difference]: Without dead ends: 512
[2023-11-19 07:56:37,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 07:56:37,432 INFO L413 NwaCegarLoop]: 402 mSDtfsCounter, 304 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:37,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 741 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-11-19 07:56:37,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states.
[2023-11-19 07:56:37,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 267.
[2023-11-19 07:56:37,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 250 states have (on average 1.3) internal successors, (325), 257 states have internal predecessors, (325), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11)
[2023-11-19 07:56:37,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 349 transitions.
[2023-11-19 07:56:37,462 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 349 transitions. Word has length 7
[2023-11-19 07:56:37,462 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:37,463 INFO L495 AbstractCegarLoop]: Abstraction has 267 states and 349 transitions.
[2023-11-19 07:56:37,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:56:37,463 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 349 transitions.
[2023-11-19 07:56:37,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153
[2023-11-19 07:56:37,472 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:56:37,473 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:56:37,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2023-11-19 07:56:37,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:37,676 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:56:37,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:37,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1574512063, now seen corresponding path program 1 times
[2023-11-19 07:56:37,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:56:37,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1928898748]
[2023-11-19 07:56:37,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:37,685 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 07:56:37,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:56:37,686 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:37,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:38,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:56:38,506 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:56:38,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:56:38,573 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:56:38,573 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:56:38,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1928898748]
[2023-11-19 07:56:38,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1928898748] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:38,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:38,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:56:38,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088489013]
[2023-11-19 07:56:38,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:38,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:56:38,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:56:38,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:56:38,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:56:38,577 INFO L87 Difference]: Start difference. First operand 267 states and 349 transitions. Second operand has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 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 07:56:38,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:38,748 INFO L93 Difference]: Finished difference Result 271 states and 345 transitions.
[2023-11-19 07:56:38,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:56:38,749 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 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 152
[2023-11-19 07:56:38,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:38,751 INFO L225 Difference]: With dead ends: 271
[2023-11-19 07:56:38,751 INFO L226 Difference]: Without dead ends: 271
[2023-11-19 07:56:38,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 149 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 07:56:38,753 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 36 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 928 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:38,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 928 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:56:38,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states.
[2023-11-19 07:56:38,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 270.
[2023-11-19 07:56:38,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 253 states have (on average 1.2648221343873518) internal successors, (320), 260 states have internal predecessors, (320), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11)
[2023-11-19 07:56:38,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 344 transitions.
[2023-11-19 07:56:38,774 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 344 transitions. Word has length 152
[2023-11-19 07:56:38,774 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:38,774 INFO L495 AbstractCegarLoop]: Abstraction has 270 states and 344 transitions.
[2023-11-19 07:56:38,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 4 states have internal predecessors, (151), 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 07:56:38,775 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 344 transitions.
[2023-11-19 07:56:38,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153
[2023-11-19 07:56:38,783 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:56:38,783 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:56:38,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2023-11-19 07:56:38,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:38,994 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:56:38,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:38,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1344651213, now seen corresponding path program 1 times
[2023-11-19 07:56:38,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:56:38,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1168010487]
[2023-11-19 07:56:38,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:38,996 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 07:56:38,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:56:38,998 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:39,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:39,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:56:39,759 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:56:40,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:56:40,205 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:56:40,206 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:56:40,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1168010487]
[2023-11-19 07:56:40,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1168010487] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:40,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:40,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:56:40,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287533214]
[2023-11-19 07:56:40,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:40,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:56:40,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:56:40,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:56:40,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:56:40,209 INFO L87 Difference]: Start difference. First operand 270 states and 344 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 07:56:40,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:40,863 INFO L93 Difference]: Finished difference Result 312 states and 390 transitions.
[2023-11-19 07:56:40,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 07:56:40,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 152
[2023-11-19 07:56:40,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:40,871 INFO L225 Difference]: With dead ends: 312
[2023-11-19 07:56:40,872 INFO L226 Difference]: Without dead ends: 312
[2023-11-19 07:56:40,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:56:40,873 INFO L413 NwaCegarLoop]: 335 mSDtfsCounter, 11 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:40,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 655 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-11-19 07:56:40,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states.
[2023-11-19 07:56:40,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312.
[2023-11-19 07:56:40,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 295 states have (on average 1.240677966101695) internal successors, (366), 302 states have internal predecessors, (366), 13 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11)
[2023-11-19 07:56:40,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 390 transitions.
[2023-11-19 07:56:40,890 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 390 transitions. Word has length 152
[2023-11-19 07:56:40,891 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:40,891 INFO L495 AbstractCegarLoop]: Abstraction has 312 states and 390 transitions.
[2023-11-19 07:56:40,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 07:56:40,892 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 390 transitions.
[2023-11-19 07:56:40,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168
[2023-11-19 07:56:40,900 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:56:40,900 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:56:40,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:41,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:41,117 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:56:41,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:41,117 INFO L85 PathProgramCache]: Analyzing trace with hash -278285063, now seen corresponding path program 1 times
[2023-11-19 07:56:41,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:56:41,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1767520195]
[2023-11-19 07:56:41,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:41,119 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 07:56:41,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:56:41,120 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:41,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:41,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:56:41,938 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:56:41,993 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:56:41,997 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:56:41,998 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:56:41,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1767520195]
[2023-11-19 07:56:41,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1767520195] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:42,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:42,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:56:42,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976369749]
[2023-11-19 07:56:42,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:42,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:56:42,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:56:42,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:56:42,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:56:42,009 INFO L87 Difference]: Start difference. First operand 312 states and 390 transitions. Second operand has 4 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 07:56:42,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:42,103 INFO L93 Difference]: Finished difference Result 315 states and 395 transitions.
[2023-11-19 07:56:42,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:56:42,104 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 167
[2023-11-19 07:56:42,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:42,106 INFO L225 Difference]: With dead ends: 315
[2023-11-19 07:56:42,106 INFO L226 Difference]: Without dead ends: 315
[2023-11-19 07:56:42,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 164 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 07:56:42,108 INFO L413 NwaCegarLoop]: 332 mSDtfsCounter, 2 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 989 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:42,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 989 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:56:42,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states.
[2023-11-19 07:56:42,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315.
[2023-11-19 07:56:42,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 297 states have (on average 1.2424242424242424) internal successors, (369), 305 states have internal predecessors, (369), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13)
[2023-11-19 07:56:42,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 395 transitions.
[2023-11-19 07:56:42,131 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 395 transitions. Word has length 167
[2023-11-19 07:56:42,132 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:42,132 INFO L495 AbstractCegarLoop]: Abstraction has 315 states and 395 transitions.
[2023-11-19 07:56:42,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2023-11-19 07:56:42,132 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 395 transitions.
[2023-11-19 07:56:42,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170
[2023-11-19 07:56:42,144 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:56:42,145 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:56:42,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:42,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:42,361 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:56:42,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:42,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1106109367, now seen corresponding path program 1 times
[2023-11-19 07:56:42,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:56:42,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [559170800]
[2023-11-19 07:56:42,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:42,363 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 07:56:42,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:56:42,364 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:42,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:43,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 07:56:43,226 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:56:43,294 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-19 07:56:43,295 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:56:43,447 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-19 07:56:43,448 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:56:43,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [559170800]
[2023-11-19 07:56:43,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [559170800] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:56:43,448 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-19 07:56:43,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8
[2023-11-19 07:56:43,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620754724]
[2023-11-19 07:56:43,448 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:56:43,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-11-19 07:56:43,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:56:43,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-11-19 07:56:43,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-11-19 07:56:43,451 INFO L87 Difference]: Start difference. First operand 315 states and 395 transitions. Second operand has 8 states, 8 states have (on average 21.5) internal successors, (172), 8 states have internal predecessors, (172), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2023-11-19 07:56:43,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:43,810 INFO L93 Difference]: Finished difference Result 326 states and 412 transitions.
[2023-11-19 07:56:43,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2023-11-19 07:56:43,811 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.5) internal successors, (172), 8 states have internal predecessors, (172), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 169
[2023-11-19 07:56:43,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:43,814 INFO L225 Difference]: With dead ends: 326
[2023-11-19 07:56:43,814 INFO L226 Difference]: Without dead ends: 326
[2023-11-19 07:56:43,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 330 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 07:56:43,816 INFO L413 NwaCegarLoop]: 332 mSDtfsCounter, 9 mSDsluCounter, 1306 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1638 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:43,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1638 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-19 07:56:43,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states.
[2023-11-19 07:56:43,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 324.
[2023-11-19 07:56:43,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 305 states have (on average 1.2557377049180327) internal successors, (383), 313 states have internal predecessors, (383), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13)
[2023-11-19 07:56:43,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 409 transitions.
[2023-11-19 07:56:43,830 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 409 transitions. Word has length 169
[2023-11-19 07:56:43,830 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:43,830 INFO L495 AbstractCegarLoop]: Abstraction has 324 states and 409 transitions.
[2023-11-19 07:56:43,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.5) internal successors, (172), 8 states have internal predecessors, (172), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2023-11-19 07:56:43,831 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 409 transitions.
[2023-11-19 07:56:43,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174
[2023-11-19 07:56:43,834 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:56:43,834 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:56:43,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:44,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:44,048 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:56:44,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:44,048 INFO L85 PathProgramCache]: Analyzing trace with hash 2051623193, now seen corresponding path program 2 times
[2023-11-19 07:56:44,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:56:44,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1761419592]
[2023-11-19 07:56:44,050 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-19 07:56:44,050 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 07:56:44,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:56:44,051 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:44,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:44,559 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2023-11-19 07:56:44,559 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 07:56:44,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-19 07:56:44,602 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:56:44,635 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2023-11-19 07:56:44,636 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:56:44,636 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:56:44,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1761419592]
[2023-11-19 07:56:44,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1761419592] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:44,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:44,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:56:44,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880667143]
[2023-11-19 07:56:44,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:44,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:56:44,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:56:44,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:56:44,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:56:44,639 INFO L87 Difference]: Start difference. First operand 324 states and 409 transitions. Second operand has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:56:44,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:44,774 INFO L93 Difference]: Finished difference Result 328 states and 405 transitions.
[2023-11-19 07:56:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:56:44,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 173
[2023-11-19 07:56:44,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:44,779 INFO L225 Difference]: With dead ends: 328
[2023-11-19 07:56:44,780 INFO L226 Difference]: Without dead ends: 328
[2023-11-19 07:56:44,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 170 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 07:56:44,781 INFO L413 NwaCegarLoop]: 304 mSDtfsCounter, 43 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 892 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:44,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 892 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:56:44,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states.
[2023-11-19 07:56:44,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 327.
[2023-11-19 07:56:44,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 308 states have (on average 1.2272727272727273) internal successors, (378), 316 states have internal predecessors, (378), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13)
[2023-11-19 07:56:44,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 404 transitions.
[2023-11-19 07:56:44,801 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 404 transitions. Word has length 173
[2023-11-19 07:56:44,802 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:44,803 INFO L495 AbstractCegarLoop]: Abstraction has 327 states and 404 transitions.
[2023-11-19 07:56:44,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.0) internal successors, (160), 4 states have internal predecessors, (160), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:56:44,803 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 404 transitions.
[2023-11-19 07:56:44,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174
[2023-11-19 07:56:44,808 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:56:44,808 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:56:44,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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)] Forceful destruction successful, exit code 0
[2023-11-19 07:56:45,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:45,016 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:56:45,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:45,016 INFO L85 PathProgramCache]: Analyzing trace with hash 408972231, now seen corresponding path program 1 times
[2023-11-19 07:56:45,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:56:45,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [464397549]
[2023-11-19 07:56:45,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:45,018 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 07:56:45,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:56:45,019 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:45,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:45,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 7 conjunts are in the unsatisfiable core
[2023-11-19 07:56:45,933 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:56:46,055 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-11-19 07:56:46,056 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:56:46,384 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-11-19 07:56:46,385 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:56:46,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [464397549]
[2023-11-19 07:56:46,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [464397549] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:56:46,385 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-19 07:56:46,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14
[2023-11-19 07:56:46,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961162382]
[2023-11-19 07:56:46,386 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:56:46,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2023-11-19 07:56:46,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:56:46,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2023-11-19 07:56:46,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182
[2023-11-19 07:56:46,389 INFO L87 Difference]: Start difference. First operand 327 states and 404 transitions. Second operand has 14 states, 14 states have (on average 12.714285714285714) internal successors, (178), 14 states have internal predecessors, (178), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2023-11-19 07:56:47,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:47,492 INFO L93 Difference]: Finished difference Result 348 states and 436 transitions.
[2023-11-19 07:56:47,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2023-11-19 07:56:47,493 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.714285714285714) internal successors, (178), 14 states have internal predecessors, (178), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 173
[2023-11-19 07:56:47,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:47,496 INFO L225 Difference]: With dead ends: 348
[2023-11-19 07:56:47,496 INFO L226 Difference]: Without dead ends: 344
[2023-11-19 07:56:47,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=257, Invalid=499, Unknown=0, NotChecked=0, Total=756
[2023-11-19 07:56:47,498 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 18 mSDsluCounter, 1917 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 2241 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:47,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 2241 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2023-11-19 07:56:47,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states.
[2023-11-19 07:56:47,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 336.
[2023-11-19 07:56:47,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 317 states have (on average 1.2302839116719242) internal successors, (390), 325 states have internal predecessors, (390), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13)
[2023-11-19 07:56:47,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 416 transitions.
[2023-11-19 07:56:47,512 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 416 transitions. Word has length 173
[2023-11-19 07:56:47,513 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:47,513 INFO L495 AbstractCegarLoop]: Abstraction has 336 states and 416 transitions.
[2023-11-19 07:56:47,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.714285714285714) internal successors, (178), 14 states have internal predecessors, (178), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2023-11-19 07:56:47,513 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 416 transitions.
[2023-11-19 07:56:47,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183
[2023-11-19 07:56:47,516 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:56:47,517 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:56:47,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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)] Ended with exit code 0
[2023-11-19 07:56:47,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:47,729 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:56:47,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:47,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1468289062, now seen corresponding path program 2 times
[2023-11-19 07:56:47,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:56:47,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [5557052]
[2023-11-19 07:56:47,731 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-19 07:56:47,731 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 07:56:47,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:56:47,732 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:47,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:48,307 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2023-11-19 07:56:48,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 07:56:48,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 07:56:48,320 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:56:48,461 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked.
[2023-11-19 07:56:48,461 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:56:48,461 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:56:48,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [5557052]
[2023-11-19 07:56:48,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [5557052] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:48,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:48,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:56:48,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054255602]
[2023-11-19 07:56:48,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:48,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:56:48,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:56:48,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:56:48,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:56:48,464 INFO L87 Difference]: Start difference. First operand 336 states and 416 transitions. Second operand has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:56:48,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:48,586 INFO L93 Difference]: Finished difference Result 330 states and 406 transitions.
[2023-11-19 07:56:48,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 07:56:48,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 182
[2023-11-19 07:56:48,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:48,591 INFO L225 Difference]: With dead ends: 330
[2023-11-19 07:56:48,591 INFO L226 Difference]: Without dead ends: 330
[2023-11-19 07:56:48,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:56:48,593 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 6 mSDsluCounter, 882 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:48,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1187 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:56:48,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states.
[2023-11-19 07:56:48,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330.
[2023-11-19 07:56:48,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 311 states have (on average 1.2218649517684887) internal successors, (380), 319 states have internal predecessors, (380), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13)
[2023-11-19 07:56:48,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 406 transitions.
[2023-11-19 07:56:48,608 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 406 transitions. Word has length 182
[2023-11-19 07:56:48,608 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:48,608 INFO L495 AbstractCegarLoop]: Abstraction has 330 states and 406 transitions.
[2023-11-19 07:56:48,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 07:56:48,609 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 406 transitions.
[2023-11-19 07:56:48,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183
[2023-11-19 07:56:48,611 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:56:48,612 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:56:48,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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)] Ended with exit code 0
[2023-11-19 07:56:48,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:48,815 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:56:48,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:48,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1006183276, now seen corresponding path program 1 times
[2023-11-19 07:56:48,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:56:48,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [506430400]
[2023-11-19 07:56:48,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:48,817 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 07:56:48,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:56:48,821 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:48,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:49,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 13 conjunts are in the unsatisfiable core
[2023-11-19 07:56:49,776 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:56:50,088 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 70 proven. 55 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2023-11-19 07:56:50,088 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:56:51,124 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 1 proven. 123 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-19 07:56:51,125 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:56:51,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [506430400]
[2023-11-19 07:56:51,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [506430400] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:56:51,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-19 07:56:51,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26
[2023-11-19 07:56:51,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952899503]
[2023-11-19 07:56:51,126 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:56:51,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states
[2023-11-19 07:56:51,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:56:51,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants.
[2023-11-19 07:56:51,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650
[2023-11-19 07:56:51,130 INFO L87 Difference]: Start difference. First operand 330 states and 406 transitions. Second operand has 26 states, 26 states have (on average 7.3076923076923075) internal successors, (190), 26 states have internal predecessors, (190), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2023-11-19 07:56:55,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:55,258 INFO L93 Difference]: Finished difference Result 372 states and 474 transitions.
[2023-11-19 07:56:55,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states.
[2023-11-19 07:56:55,259 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 7.3076923076923075) internal successors, (190), 26 states have internal predecessors, (190), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 182
[2023-11-19 07:56:55,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:55,262 INFO L225 Difference]: With dead ends: 372
[2023-11-19 07:56:55,263 INFO L226 Difference]: Without dead ends: 368
[2023-11-19 07:56:55,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1025, Invalid=2281, Unknown=0, NotChecked=0, Total=3306
[2023-11-19 07:56:55,266 INFO L413 NwaCegarLoop]: 326 mSDtfsCounter, 36 mSDsluCounter, 4164 mSDsCounter, 0 mSdLazyCounter, 859 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 4490 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:55,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 4490 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 859 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]
[2023-11-19 07:56:55,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states.
[2023-11-19 07:56:55,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 348.
[2023-11-19 07:56:55,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 329 states have (on average 1.2279635258358663) internal successors, (404), 337 states have internal predecessors, (404), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13)
[2023-11-19 07:56:55,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 430 transitions.
[2023-11-19 07:56:55,284 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 430 transitions. Word has length 182
[2023-11-19 07:56:55,284 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:55,284 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 430 transitions.
[2023-11-19 07:56:55,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 7.3076923076923075) internal successors, (190), 26 states have internal predecessors, (190), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2023-11-19 07:56:55,285 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 430 transitions.
[2023-11-19 07:56:55,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201
[2023-11-19 07:56:55,288 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 07:56:55,289 INFO L195 NwaCegarLoop]: trace histogram [33, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:55,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:55,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:55,503 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] ===
[2023-11-19 07:56:55,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:55,503 INFO L85 PathProgramCache]: Analyzing trace with hash 639447820, now seen corresponding path program 2 times
[2023-11-19 07:56:55,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-19 07:56:55,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [317206265]
[2023-11-19 07:56:55,504 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-19 07:56:55,505 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 07:56:55,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/bin/uautomizer-verify-uCwYo4JHxu/mathsat
[2023-11-19 07:56:55,506 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:55,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb74284-9c2f-43e7-8da1-edbc0ea9a75e/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 07:56:56,611 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-11-19 07:56:56,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-19 07:56:56,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 1077 conjuncts, 25 conjunts are in the unsatisfiable core
[2023-11-19 07:56:56,661 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:56:57,691 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 280 proven. 253 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked.
[2023-11-19 07:56:57,691 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:57:00,663 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 1 proven. 531 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked.
[2023-11-19 07:57:00,663 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-19 07:57:00,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [317206265]
[2023-11-19 07:57:00,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [317206265] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:57:00,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-19 07:57:00,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50
[2023-11-19 07:57:00,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141097756]
[2023-11-19 07:57:00,665 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:57:00,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states
[2023-11-19 07:57:00,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-19 07:57:00,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants.
[2023-11-19 07:57:00,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450
[2023-11-19 07:57:00,669 INFO L87 Difference]: Start difference. First operand 348 states and 430 transitions. Second operand has 50 states, 50 states have (on average 4.28) internal successors, (214), 50 states have internal predecessors, (214), 2 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)