./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0971.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0971.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b1687984206fd71420342d8c308fb8f0bb6aa8eb322759ead9cb78bc76e256a
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-11-28 04:43:46,061 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-28 04:43:46,124 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-28 04:43:46,130 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-28 04:43:46,131 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-28 04:43:46,174 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-28 04:43:46,178 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-28 04:43:46,178 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-28 04:43:46,178 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-28 04:43:46,178 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-28 04:43:46,179 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-28 04:43:46,179 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-28 04:43:46,179 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-28 04:43:46,179 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-28 04:43:46,179 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-28 04:43:46,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-28 04:43:46,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-28 04:43:46,179 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-28 04:43:46,180 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-28 04:43:46,180 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-28 04:43:46,180 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-28 04:43:46,180 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-28 04:43:46,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-28 04:43:46,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-28 04:43:46,180 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-28 04:43:46,180 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-28 04:43:46,180 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-28 04:43:46,180 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-28 04:43:46,181 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-28 04:43:46,181 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-28 04:43:46,181 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-28 04:43:46,181 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-28 04:43:46,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-28 04:43:46,181 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-28 04:43:46,181 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-28 04:43:46,181 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-28 04:43:46,185 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-28 04:43:46,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-28 04:43:46,185 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-28 04:43:46,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-28 04:43:46,186 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-28 04:43:46,186 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-28 04:43:46,186 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-28 04:43:46,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-28 04:43:46,186 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-28 04:43:46,186 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-28 04:43:46,186 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-28 04:43:46,186 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-28 04:43:46,187 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB
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 ! call(reach_error())) )
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 -> 4b1687984206fd71420342d8c308fb8f0bb6aa8eb322759ead9cb78bc76e256a
[2024-11-28 04:43:46,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-28 04:43:46,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-28 04:43:46,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-28 04:43:46,567 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-28 04:43:46,567 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-28 04:43:46,568 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/float-newlib/float_req_bl_0971.c
[2024-11-28 04:43:49,649 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/data/35fac6979/f451484f31b34cd78937b5cb666349ae/FLAG59f7ddb97
[2024-11-28 04:43:49,980 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-28 04:43:49,982 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/sv-benchmarks/c/float-newlib/float_req_bl_0971.c
[2024-11-28 04:43:49,994 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/data/35fac6979/f451484f31b34cd78937b5cb666349ae/FLAG59f7ddb97
[2024-11-28 04:43:50,018 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/data/35fac6979/f451484f31b34cd78937b5cb666349ae
[2024-11-28 04:43:50,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-28 04:43:50,025 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-28 04:43:50,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-28 04:43:50,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-28 04:43:50,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-28 04:43:50,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:50" (1/1) ...
[2024-11-28 04:43:50,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e34b7df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:50, skipping insertion in model container
[2024-11-28 04:43:50,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:50" (1/1) ...
[2024-11-28 04:43:50,069 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-28 04:43:50,267 ERROR L321 MainTranslator]: Unsupported Syntax: floats in unions are not supported in the integer translation.
[2024-11-28 04:43:50,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3609454f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:50, skipping insertion in model container
[2024-11-28 04:43:50,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-28 04:43:50,269 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner
[2024-11-28 04:43:50,271 INFO L158 Benchmark]: Toolchain (without parser) took 244.83ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 83.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-28 04:43:50,272 INFO L158 Benchmark]: CDTParser took 0.94ms. Allocated memory is still 117.4MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-28 04:43:50,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.86ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 83.4MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-28 04:43:50,276 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.94ms. Allocated memory is still 117.4MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 239.86ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 83.4MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- UnsupportedSyntaxResult [Line: 8]: Unsupported Syntax
floats in unions are not supported in the integer 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0971.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b1687984206fd71420342d8c308fb8f0bb6aa8eb322759ead9cb78bc76e256a
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-11-28 04:43:53,068 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-28 04:43:53,213 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-28 04:43:53,221 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-28 04:43:53,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-28 04:43:53,270 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-28 04:43:53,272 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-28 04:43:53,272 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-28 04:43:53,274 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-28 04:43:53,275 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-28 04:43:53,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-28 04:43:53,276 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-28 04:43:53,276 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-28 04:43:53,277 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-28 04:43:53,277 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-28 04:43:53,277 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-28 04:43:53,277 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-28 04:43:53,277 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-28 04:43:53,277 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-28 04:43:53,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-28 04:43:53,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-28 04:43:53,279 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-28 04:43:53,279 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-28 04:43:53,279 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-28 04:43:53,279 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-28 04:43:53,279 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-28 04:43:53,279 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-28 04:43:53,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-28 04:43:53,280 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-28 04:43:53,280 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-28 04:43:53,280 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-28 04:43:53,280 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-28 04:43:53,280 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-28 04:43:53,280 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-28 04:43:53,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-28 04:43:53,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-28 04:43:53,280 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-28 04:43:53,280 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-28 04:43:53,281 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-28 04:43:53,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-28 04:43:53,281 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-28 04:43:53,281 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-28 04:43:53,281 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-28 04:43:53,281 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-28 04:43:53,281 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-28 04:43:53,281 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-28 04:43:53,281 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-28 04:43:53,281 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-28 04:43:53,281 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-28 04:43:53,282 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-28 04:43:53,282 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB
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 ! call(reach_error())) )
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 -> 4b1687984206fd71420342d8c308fb8f0bb6aa8eb322759ead9cb78bc76e256a
[2024-11-28 04:43:53,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-28 04:43:53,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-28 04:43:53,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-28 04:43:53,652 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-28 04:43:53,652 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-28 04:43:53,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/float-newlib/float_req_bl_0971.c
[2024-11-28 04:43:56,850 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/data/c2dd71880/d7260b1ed4f64f8bb82d4042d65639a1/FLAGc228c1c6d
[2024-11-28 04:43:57,158 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-28 04:43:57,159 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/sv-benchmarks/c/float-newlib/float_req_bl_0971.c
[2024-11-28 04:43:57,172 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/data/c2dd71880/d7260b1ed4f64f8bb82d4042d65639a1/FLAGc228c1c6d
[2024-11-28 04:43:57,424 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/data/c2dd71880/d7260b1ed4f64f8bb82d4042d65639a1
[2024-11-28 04:43:57,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-28 04:43:57,430 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-28 04:43:57,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-28 04:43:57,432 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-28 04:43:57,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-28 04:43:57,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:57" (1/1) ...
[2024-11-28 04:43:57,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d6b0620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57, skipping insertion in model container
[2024-11-28 04:43:57,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:57" (1/1) ...
[2024-11-28 04:43:57,472 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-28 04:43:57,699 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/sv-benchmarks/c/float-newlib/float_req_bl_0971.c[4045,4058]
[2024-11-28 04:43:57,704 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-28 04:43:57,728 INFO L200 MainTranslator]: Completed pre-run
[2024-11-28 04:43:57,811 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/sv-benchmarks/c/float-newlib/float_req_bl_0971.c[4045,4058]
[2024-11-28 04:43:57,812 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-28 04:43:57,833 INFO L204 MainTranslator]: Completed translation
[2024-11-28 04:43:57,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57 WrapperNode
[2024-11-28 04:43:57,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-28 04:43:57,836 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-28 04:43:57,836 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-28 04:43:57,837 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-28 04:43:57,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (1/1) ...
[2024-11-28 04:43:57,865 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (1/1) ...
[2024-11-28 04:43:57,911 INFO L138 Inliner]: procedures = 20, calls = 34, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 205
[2024-11-28 04:43:57,917 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-28 04:43:57,918 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-28 04:43:57,918 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-28 04:43:57,918 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-28 04:43:57,930 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (1/1) ...
[2024-11-28 04:43:57,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (1/1) ...
[2024-11-28 04:43:57,940 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (1/1) ...
[2024-11-28 04:43:57,973 INFO L175 MemorySlicer]: Split 14 memory accesses to 7 slices as follows [2, 2, 2, 2, 2, 2, 2]. 14 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0]. The 6 writes are split as follows [0, 1, 1, 1, 1, 1, 1].
[2024-11-28 04:43:57,974 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (1/1) ...
[2024-11-28 04:43:57,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (1/1) ...
[2024-11-28 04:43:57,988 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (1/1) ...
[2024-11-28 04:43:57,989 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (1/1) ...
[2024-11-28 04:43:57,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (1/1) ...
[2024-11-28 04:43:57,997 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (1/1) ...
[2024-11-28 04:43:57,999 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (1/1) ...
[2024-11-28 04:43:58,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-28 04:43:58,004 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-28 04:43:58,004 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-28 04:43:58,005 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-28 04:43:58,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (1/1) ...
[2024-11-28 04:43:58,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-28 04:43:58,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/z3
[2024-11-28 04:43:58,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-28 04:43:58,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-28 04:43:58,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-28 04:43:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-28 04:43:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-28 04:43:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-11-28 04:43:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3
[2024-11-28 04:43:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4
[2024-11-28 04:43:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5
[2024-11-28 04:43:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6
[2024-11-28 04:43:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-28 04:43:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0
[2024-11-28 04:43:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1
[2024-11-28 04:43:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2
[2024-11-28 04:43:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3
[2024-11-28 04:43:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4
[2024-11-28 04:43:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5
[2024-11-28 04:43:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6
[2024-11-28 04:43:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-28 04:43:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-28 04:43:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-11-28 04:43:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3
[2024-11-28 04:43:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4
[2024-11-28 04:43:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5
[2024-11-28 04:43:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6
[2024-11-28 04:43:58,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-28 04:43:58,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-28 04:43:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0
[2024-11-28 04:43:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1
[2024-11-28 04:43:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2
[2024-11-28 04:43:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3
[2024-11-28 04:43:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4
[2024-11-28 04:43:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5
[2024-11-28 04:43:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6
[2024-11-28 04:43:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-11-28 04:43:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-11-28 04:43:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2
[2024-11-28 04:43:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3
[2024-11-28 04:43:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4
[2024-11-28 04:43:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5
[2024-11-28 04:43:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6
[2024-11-28 04:43:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-28 04:43:58,289 INFO L234 CfgBuilder]: Building ICFG
[2024-11-28 04:43:58,292 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-28 04:44:36,482 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live.
[2024-11-28 04:44:36,483 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-28 04:44:36,495 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-28 04:44:36,497 INFO L312 CfgBuilder]: Removed 6 assume(true) statements.
[2024-11-28 04:44:36,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:36 BoogieIcfgContainer
[2024-11-28 04:44:36,498 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-28 04:44:36,502 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-28 04:44:36,503 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-28 04:44:36,511 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-28 04:44:36,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:43:57" (1/3) ...
[2024-11-28 04:44:36,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e7bb7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:44:36, skipping insertion in model container
[2024-11-28 04:44:36,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:57" (2/3) ...
[2024-11-28 04:44:36,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e7bb7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:44:36, skipping insertion in model container
[2024-11-28 04:44:36,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:36" (3/3) ...
[2024-11-28 04:44:36,513 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0971.c
[2024-11-28 04:44:36,526 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-28 04:44:36,527 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0971.c that has 1 procedures, 44 locations, 1 initial locations, 6 loop locations, and 1 error locations.
[2024-11-28 04:44:36,583 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-28 04:44:36,598 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@b0aa8b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-28 04:44:36,598 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-28 04:44:36,603 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 42 states have (on average 1.6904761904761905) internal successors, (71), 43 states have internal predecessors, (71), 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)
[2024-11-28 04:44:36,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-28 04:44:36,609 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-28 04:44:36,610 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-28 04:44:36,610 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 04:44:36,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 04:44:36,622 INFO L85 PathProgramCache]: Analyzing trace with hash -984954159, now seen corresponding path program 1 times
[2024-11-28 04:44:36,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-28 04:44:36,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [37612399]
[2024-11-28 04:44:36,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 04:44:36,640 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
[2024-11-28 04:44:36,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat
[2024-11-28 04:44:36,647 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/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)
[2024-11-28 04:44:36,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/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
[2024-11-28 04:44:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 04:44:37,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-28 04:44:37,508 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-28 04:44:37,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 04:44:37,525 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-28 04:44:37,526 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-28 04:44:37,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [37612399]
[2024-11-28 04:44:37,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [37612399] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 04:44:37,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 04:44:37,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-28 04:44:37,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643393984]
[2024-11-28 04:44:37,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 04:44:37,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-28 04:44:37,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-28 04:44:37,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-28 04:44:37,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-28 04:44:37,556 INFO L87 Difference]: Start difference. First operand has 44 states, 42 states have (on average 1.6904761904761905) internal successors, (71), 43 states have internal predecessors, (71), 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) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:44:37,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 04:44:37,575 INFO L93 Difference]: Finished difference Result 86 states and 140 transitions.
[2024-11-28 04:44:37,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-28 04:44:37,577 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2024-11-28 04:44:37,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 04:44:37,586 INFO L225 Difference]: With dead ends: 86
[2024-11-28 04:44:37,586 INFO L226 Difference]: Without dead ends: 41
[2024-11-28 04:44:37,589 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-28 04:44:37,592 INFO L435 NwaCegarLoop]: 58 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, 58 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
[2024-11-28 04:44:37,593 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-28 04:44:37,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2024-11-28 04:44:37,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2024-11-28 04:44:37,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.375) internal successors, (55), 40 states have internal predecessors, (55), 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)
[2024-11-28 04:44:37,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions.
[2024-11-28 04:44:37,632 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 9
[2024-11-28 04:44:37,632 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-28 04:44:37,633 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions.
[2024-11-28 04:44:37,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:44:37,633 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions.
[2024-11-28 04:44:37,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-11-28 04:44:37,634 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-28 04:44:37,634 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-28 04:44:37,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/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
[2024-11-28 04:44:37,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/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
[2024-11-28 04:44:37,838 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 04:44:37,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 04:44:37,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1891570642, now seen corresponding path program 1 times
[2024-11-28 04:44:37,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-28 04:44:37,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [523475603]
[2024-11-28 04:44:37,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 04:44:37,840 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
[2024-11-28 04:44:37,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat
[2024-11-28 04:44:37,842 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/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)
[2024-11-28 04:44:37,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/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
[2024-11-28 04:44:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 04:44:38,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-28 04:44:38,594 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-28 04:44:38,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 04:44:38,889 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-28 04:44:38,889 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-28 04:44:38,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [523475603]
[2024-11-28 04:44:38,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [523475603] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 04:44:38,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 04:44:38,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-28 04:44:38,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779645899]
[2024-11-28 04:44:38,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 04:44:38,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-28 04:44:38,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-28 04:44:38,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-28 04:44:38,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-28 04:44:38,893 INFO L87 Difference]: Start difference. First operand 41 states and 55 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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)
[2024-11-28 04:44:40,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 04:44:40,782 INFO L93 Difference]: Finished difference Result 46 states and 59 transitions.
[2024-11-28 04:44:40,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-28 04:44:40,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 10
[2024-11-28 04:44:40,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 04:44:40,784 INFO L225 Difference]: With dead ends: 46
[2024-11-28 04:44:40,784 INFO L226 Difference]: Without dead ends: 41
[2024-11-28 04:44:40,784 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-28 04:44:40,785 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 16 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2024-11-28 04:44:40,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 119 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2024-11-28 04:44:40,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2024-11-28 04:44:40,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2024-11-28 04:44:40,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.35) internal successors, (54), 40 states have internal predecessors, (54), 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)
[2024-11-28 04:44:40,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 54 transitions.
[2024-11-28 04:44:40,793 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 54 transitions. Word has length 10
[2024-11-28 04:44:40,793 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-28 04:44:40,793 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 54 transitions.
[2024-11-28 04:44:40,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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)
[2024-11-28 04:44:40,793 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions.
[2024-11-28 04:44:40,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-28 04:44:40,794 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-28 04:44:40,794 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-28 04:44:40,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2024-11-28 04:44:40,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/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
[2024-11-28 04:44:40,995 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 04:44:40,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 04:44:40,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1415984718, now seen corresponding path program 1 times
[2024-11-28 04:44:40,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-28 04:44:40,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [114924546]
[2024-11-28 04:44:40,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 04:44:40,996 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
[2024-11-28 04:44:40,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat
[2024-11-28 04:44:41,001 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/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)
[2024-11-28 04:44:41,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/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
[2024-11-28 04:44:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 04:44:41,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-11-28 04:44:41,775 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-28 04:44:42,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 04:44:42,626 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-28 04:44:42,626 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-28 04:44:42,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [114924546]
[2024-11-28 04:44:42,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [114924546] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 04:44:42,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 04:44:42,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-28 04:44:42,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300461996]
[2024-11-28 04:44:42,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 04:44:42,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-28 04:44:42,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-28 04:44:42,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-28 04:44:42,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2024-11-28 04:44:42,632 INFO L87 Difference]: Start difference. First operand 41 states and 54 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:44:48,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:44:51,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:44:57,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:45:01,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:45:05,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:45:09,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:45:13,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:45:17,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:45:23,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:45:27,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:45:29,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:45:34,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:45:38,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:45:42,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:45:46,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:45:50,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:45:54,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:45:56,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:46:00,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:46:04,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:46:08,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:46:12,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:46:16,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:46:20,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:46:24,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:46:28,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:46:32,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:46:36,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:46:40,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-28 04:46:40,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 04:46:40,730 INFO L93 Difference]: Finished difference Result 46 states and 58 transitions.
[2024-11-28 04:46:40,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-28 04:46:40,764 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2024-11-28 04:46:40,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 04:46:40,764 INFO L225 Difference]: With dead ends: 46
[2024-11-28 04:46:40,764 INFO L226 Difference]: Without dead ends: 41
[2024-11-28 04:46:40,765 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90
[2024-11-28 04:46:40,766 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 49 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 2 mSolverCounterUnsat, 25 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 117.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 25 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 117.7s IncrementalHoareTripleChecker+Time
[2024-11-28 04:46:40,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 134 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 97 Invalid, 25 Unknown, 0 Unchecked, 117.7s Time]
[2024-11-28 04:46:40,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2024-11-28 04:46:40,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2024-11-28 04:46:40,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.3) internal successors, (52), 40 states have internal predecessors, (52), 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)
[2024-11-28 04:46:40,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 52 transitions.
[2024-11-28 04:46:40,774 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 52 transitions. Word has length 11
[2024-11-28 04:46:40,775 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-28 04:46:40,775 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 52 transitions.
[2024-11-28 04:46:40,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-28 04:46:40,776 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions.
[2024-11-28 04:46:40,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2024-11-28 04:46:40,777 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-28 04:46:40,777 INFO L218 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]
[2024-11-28 04:46:40,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2024-11-28 04:46:40,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/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
[2024-11-28 04:46:40,982 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-28 04:46:40,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-28 04:46:40,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1848724296, now seen corresponding path program 1 times
[2024-11-28 04:46:40,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-28 04:46:40,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [967673805]
[2024-11-28 04:46:40,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-28 04:46:40,983 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
[2024-11-28 04:46:40,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat
[2024-11-28 04:46:40,987 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/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)
[2024-11-28 04:46:40,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/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
[2024-11-28 04:46:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-28 04:46:42,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-28 04:46:42,008 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-28 04:46:42,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-28 04:46:42,453 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-28 04:46:42,453 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-28 04:46:42,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [967673805]
[2024-11-28 04:46:42,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [967673805] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-28 04:46:42,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-28 04:46:42,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-28 04:46:42,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955796128]
[2024-11-28 04:46:42,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-28 04:46:42,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-28 04:46:42,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-28 04:46:42,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-28 04:46:42,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-28 04:46:42,457 INFO L87 Difference]: Start difference. First operand 41 states and 52 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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)
[2024-11-28 04:46:42,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-28 04:46:42,725 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions.
[2024-11-28 04:46:42,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-28 04:46:42,725 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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 22
[2024-11-28 04:46:42,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-28 04:46:42,726 INFO L225 Difference]: With dead ends: 41
[2024-11-28 04:46:42,726 INFO L226 Difference]: Without dead ends: 0
[2024-11-28 04:46:42,726 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2024-11-28 04:46:42,727 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 5 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-28 04:46:42,728 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 9 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-28 04:46:42,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-28 04:46:42,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-28 04:46:42,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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)
[2024-11-28 04:46:42,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-28 04:46:42,729 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22
[2024-11-28 04:46:42,729 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-28 04:46:42,729 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-28 04:46:42,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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)
[2024-11-28 04:46:42,729 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-28 04:46:42,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-28 04:46:42,733 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-28 04:46:42,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0
[2024-11-28 04:46:42,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/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
[2024-11-28 04:46:42,936 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-28 04:46:42,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-28 04:46:43,151 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-28 04:46:43,165 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode
[2024-11-28 04:46:43,166 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode
[2024-11-28 04:46:43,166 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode
[2024-11-28 04:46:43,166 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven
[2024-11-28 04:46:43,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:46:43 BoogieIcfgContainer
[2024-11-28 04:46:43,167 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-28 04:46:43,168 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-28 04:46:43,168 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-28 04:46:43,168 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-28 04:46:43,168 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:36" (3/4) ...
[2024-11-28 04:46:43,171 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-28 04:46:43,182 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges
[2024-11-28 04:46:43,182 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-11-28 04:46:43,182 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-28 04:46:43,183 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-28 04:46:43,292 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml
[2024-11-28 04:46:43,292 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml
[2024-11-28 04:46:43,292 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-28 04:46:43,293 INFO L158 Benchmark]: Toolchain (without parser) took 165863.66ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 49.0MB in the end (delta: 11.2MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB.
[2024-11-28 04:46:43,293 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-28 04:46:43,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.85ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 45.8MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-28 04:46:43,294 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.19ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 43.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-28 04:46:43,294 INFO L158 Benchmark]: Boogie Preprocessor took 85.41ms. Allocated memory is still 83.9MB. Free memory was 43.9MB in the beginning and 40.4MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-28 04:46:43,295 INFO L158 Benchmark]: RCFGBuilder took 38493.70ms. Allocated memory is still 83.9MB. Free memory was 40.4MB in the beginning and 57.3MB in the end (delta: -16.9MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB.
[2024-11-28 04:46:43,295 INFO L158 Benchmark]: TraceAbstraction took 126665.05ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 55.1MB in the end (delta: 1.7MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB.
[2024-11-28 04:46:43,295 INFO L158 Benchmark]: Witness Printer took 124.93ms. Allocated memory is still 83.9MB. Free memory was 55.1MB in the beginning and 49.0MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-28 04:46:43,297 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 403.85ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 45.8MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 81.19ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 43.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 85.41ms. Allocated memory is still 83.9MB. Free memory was 43.9MB in the beginning and 40.4MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 38493.70ms. Allocated memory is still 83.9MB. Free memory was 40.4MB in the beginning and 57.3MB in the end (delta: -16.9MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 126665.05ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 55.1MB in the end (delta: 1.7MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB.
* Witness Printer took 124.93ms. Allocated memory is still 83.9MB. Free memory was 55.1MB in the beginning and 49.0MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: currentRoundingMode
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: currentRoundingMode
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: currentRoundingMode
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 160]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 126.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 120.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 25 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 119.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 320 SdHoareTripleChecker+Invalid, 119.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 185 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 125 IncrementalHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 135 mSDtfsCounter, 125 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 48 ConstructedInterpolants, 10 QuantifiedInterpolants, 259 SizeOfPredicates, 9 NumberOfNonLiveVariables, 247 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 25]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 50]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 126]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 136]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 41]: Loop Invariant
Derived loop invariant: 0
RESULT: Ultimate proved your program to be correct!
[2024-11-28 04:46:43,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2502848-2c21-4cc4-a8eb-29ae214d99a2/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE