./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_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/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_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1 --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
[2024-12-02 11:52:02,187 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 11:52:02,256 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 11:52:02,262 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 11:52:02,262 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 11:52:02,289 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 11:52:02,289 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 11:52:02,290 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 11:52:02,290 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 11:52:02,290 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 11:52:02,290 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 11:52:02,291 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 11:52:02,291 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 11:52:02,291 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 11:52:02,291 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 11:52:02,291 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 11:52:02,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 11:52:02,292 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 11:52:02,292 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 11:52:02,292 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 11:52:02,292 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 11:52:02,292 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 11:52:02,292 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 11:52:02,292 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 11:52:02,292 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 11:52:02,292 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 11:52:02,293 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 11:52:02,293 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 11:52:02,293 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 11:52:02,293 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 11:52:02,293 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:52:02,293 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 11:52:02,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:52:02,293 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 11:52:02,294 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 11:52:02,294 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:52:02,294 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 11:52:02,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:52:02,294 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 11:52:02,294 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 11:52:02,294 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 11:52:02,294 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 11:52:02,294 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 11:52:02,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 11:52:02,295 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 11:52:02,295 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 11:52:02,295 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 11:52:02,295 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 11:52:02,295 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_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1
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
[2024-12-02 11:52:02,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 11:52:02,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 11:52:02,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 11:52:02,576 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 11:52:02,576 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 11:52:02,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/float-newlib/float_req_bl_0971.c
[2024-12-02 11:52:05,218 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/data/db35cc2c4/2ecea00262b245a6b0891bc723a76f0b/FLAGa0022b7bc
[2024-12-02 11:52:05,456 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 11:52:05,456 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/sv-benchmarks/c/float-newlib/float_req_bl_0971.c
[2024-12-02 11:52:05,466 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/data/db35cc2c4/2ecea00262b245a6b0891bc723a76f0b/FLAGa0022b7bc
[2024-12-02 11:52:05,817 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/data/db35cc2c4/2ecea00262b245a6b0891bc723a76f0b
[2024-12-02 11:52:05,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 11:52:05,819 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 11:52:05,820 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 11:52:05,820 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 11:52:05,824 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 11:52:05,824 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:52:05" (1/1) ...
[2024-12-02 11:52:05,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc5ea19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:05, skipping insertion in model container
[2024-12-02 11:52:05,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:52:05" (1/1) ...
[2024-12-02 11:52:05,841 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 11:52:05,975 ERROR L321 MainTranslator]: Unsupported Syntax: floats in unions are not supported in the integer translation.
[2024-12-02 11:52:05,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b38d470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:05, skipping insertion in model container
[2024-12-02 11:52:05,975 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 11:52:05,976 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner
[2024-12-02 11:52:05,977 INFO L158 Benchmark]: Toolchain (without parser) took 156.97ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 108.6MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 11:52:05,978 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:52:05,978 INFO L158 Benchmark]: CACSL2BoogieTranslator took 155.17ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 108.6MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 11:52:05,979 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 155.17ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 108.6MB 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_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/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_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1 --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
[2024-12-02 11:52:07,844 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 11:52:07,938 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-12-02 11:52:07,945 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 11:52:07,946 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 11:52:07,970 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 11:52:07,970 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 11:52:07,970 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 11:52:07,971 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 11:52:07,971 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 11:52:07,971 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 11:52:07,971 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 11:52:07,971 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 11:52:07,971 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 11:52:07,972 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 11:52:07,972 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 11:52:07,972 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 11:52:07,972 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 11:52:07,972 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 11:52:07,972 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 11:52:07,972 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 11:52:07,972 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 11:52:07,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 11:52:07,972 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-02 11:52:07,972 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-12-02 11:52:07,973 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-12-02 11:52:07,973 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 11:52:07,973 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 11:52:07,973 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 11:52:07,973 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 11:52:07,973 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 11:52:07,973 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 11:52:07,973 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:52:07,973 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 11:52:07,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:52:07,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 11:52:07,973 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 11:52:07,974 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:52:07,974 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 11:52:07,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:52:07,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 11:52:07,974 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 11:52:07,974 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 11:52:07,974 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 11:52:07,974 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-12-02 11:52:07,974 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-12-02 11:52:07,974 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 11:52:07,974 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 11:52:07,974 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 11:52:07,975 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 11:52:07,975 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_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1
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
[2024-12-02 11:52:08,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 11:52:08,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 11:52:08,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 11:52:08,254 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 11:52:08,254 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 11:52:08,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/float-newlib/float_req_bl_0971.c
[2024-12-02 11:52:11,061 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/data/3cb4f305f/7173a0159c8a49edb39b3d767f80a62f/FLAGb618dbfea
[2024-12-02 11:52:11,284 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 11:52:11,285 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/sv-benchmarks/c/float-newlib/float_req_bl_0971.c
[2024-12-02 11:52:11,293 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/data/3cb4f305f/7173a0159c8a49edb39b3d767f80a62f/FLAGb618dbfea
[2024-12-02 11:52:11,308 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/data/3cb4f305f/7173a0159c8a49edb39b3d767f80a62f
[2024-12-02 11:52:11,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 11:52:11,312 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 11:52:11,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 11:52:11,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 11:52:11,317 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 11:52:11,318 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:52:11" (1/1) ...
[2024-12-02 11:52:11,319 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cd7c468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:11, skipping insertion in model container
[2024-12-02 11:52:11,319 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:52:11" (1/1) ...
[2024-12-02 11:52:11,336 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 11:52:11,535 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_08bab391-7294-4ede-a09d-637a52a78513/sv-benchmarks/c/float-newlib/float_req_bl_0971.c[4045,4058]
[2024-12-02 11:52:11,538 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 11:52:11,551 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 11:52:11,587 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_08bab391-7294-4ede-a09d-637a52a78513/sv-benchmarks/c/float-newlib/float_req_bl_0971.c[4045,4058]
[2024-12-02 11:52:11,588 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 11:52:11,606 INFO L204 MainTranslator]: Completed translation
[2024-12-02 11:52:11,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:11 WrapperNode
[2024-12-02 11:52:11,607 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 11:52:11,608 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 11:52:11,608 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 11:52:11,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 11:52:11,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:11" (1/1) ...
[2024-12-02 11:52:11,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:11" (1/1) ...
[2024-12-02 11:52:11,650 INFO L138 Inliner]: procedures = 20, calls = 34, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 205
[2024-12-02 11:52:11,650 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 11:52:11,651 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 11:52:11,651 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 11:52:11,651 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 11:52:11,658 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:11" (1/1) ...
[2024-12-02 11:52:11,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:11" (1/1) ...
[2024-12-02 11:52:11,661 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:11" (1/1) ...
[2024-12-02 11:52:11,677 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].
[2024-12-02 11:52:11,677 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:11" (1/1) ...
[2024-12-02 11:52:11,677 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:11" (1/1) ...
[2024-12-02 11:52:11,691 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:11" (1/1) ...
[2024-12-02 11:52:11,692 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:11" (1/1) ...
[2024-12-02 11:52:11,696 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:11" (1/1) ...
[2024-12-02 11:52:11,698 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:11" (1/1) ...
[2024-12-02 11:52:11,699 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:11" (1/1) ...
[2024-12-02 11:52:11,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 11:52:11,704 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 11:52:11,704 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 11:52:11,704 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 11:52:11,705 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:11" (1/1) ...
[2024-12-02 11:52:11,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:52:11,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:52:11,738 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 11:52:11,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 11:52:11,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 11:52:11,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-12-02 11:52:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-12-02 11:52:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-12-02 11:52:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3
[2024-12-02 11:52:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4
[2024-12-02 11:52:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5
[2024-12-02 11:52:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6
[2024-12-02 11:52:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-12-02 11:52:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0
[2024-12-02 11:52:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1
[2024-12-02 11:52:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2
[2024-12-02 11:52:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3
[2024-12-02 11:52:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4
[2024-12-02 11:52:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5
[2024-12-02 11:52:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6
[2024-12-02 11:52:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-12-02 11:52:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-12-02 11:52:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-12-02 11:52:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3
[2024-12-02 11:52:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4
[2024-12-02 11:52:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5
[2024-12-02 11:52:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6
[2024-12-02 11:52:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 11:52:11,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 11:52:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0
[2024-12-02 11:52:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1
[2024-12-02 11:52:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2
[2024-12-02 11:52:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3
[2024-12-02 11:52:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4
[2024-12-02 11:52:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5
[2024-12-02 11:52:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6
[2024-12-02 11:52:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-12-02 11:52:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-12-02 11:52:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2
[2024-12-02 11:52:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3
[2024-12-02 11:52:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4
[2024-12-02 11:52:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5
[2024-12-02 11:52:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6
[2024-12-02 11:52:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-12-02 11:52:11,879 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 11:52:11,881 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 11:52:48,973 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live.
[2024-12-02 11:52:48,973 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 11:52:48,981 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 11:52:48,981 INFO L312 CfgBuilder]: Removed 6 assume(true) statements.
[2024-12-02 11:52:48,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:52:48 BoogieIcfgContainer
[2024-12-02 11:52:48,982 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 11:52:48,983 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 11:52:48,984 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 11:52:48,988 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 11:52:48,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:52:11" (1/3) ...
[2024-12-02 11:52:48,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@521c6441 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:52:48, skipping insertion in model container
[2024-12-02 11:52:48,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:52:11" (2/3) ...
[2024-12-02 11:52:48,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@521c6441 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:52:48, skipping insertion in model container
[2024-12-02 11:52:48,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:52:48" (3/3) ...
[2024-12-02 11:52:48,990 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0971.c
[2024-12-02 11:52:49,002 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 11:52:49,003 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.
[2024-12-02 11:52:49,041 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 11:52:49,050 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;@f9931d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 11:52:49,050 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 11:52:49,053 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)
[2024-12-02 11:52:49,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-12-02 11:52:49,057 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:52:49,058 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:52:49,058 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:52:49,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:52:49,062 INFO L85 PathProgramCache]: Analyzing trace with hash -984954159, now seen corresponding path program 1 times
[2024-12-02 11:52:49,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 11:52:49,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [326519243]
[2024-12-02 11:52:49,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:52:49,071 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
[2024-12-02 11:52:49,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 11:52:49,073 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/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)
[2024-12-02 11:52:49,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/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
[2024-12-02 11:52:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:52:49,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-12-02 11:52:49,667 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:52:49,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:52:49,680 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 11:52:49,681 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 11:52:49,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [326519243]
[2024-12-02 11:52:49,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [326519243] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:52:49,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:52:49,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 11:52:49,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121456866]
[2024-12-02 11:52:49,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:52:49,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 11:52:49,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 11:52:49,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 11:52:49,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 11:52:49,703 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)
[2024-12-02 11:52:49,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:52:49,717 INFO L93 Difference]: Finished difference Result 86 states and 140 transitions.
[2024-12-02 11:52:49,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 11:52:49,719 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
[2024-12-02 11:52:49,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:52:49,724 INFO L225 Difference]: With dead ends: 86
[2024-12-02 11:52:49,724 INFO L226 Difference]: Without dead ends: 41
[2024-12-02 11:52:49,726 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
[2024-12-02 11:52:49,728 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
[2024-12-02 11:52:49,729 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]
[2024-12-02 11:52:49,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2024-12-02 11:52:49,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2024-12-02 11:52:49,750 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)
[2024-12-02 11:52:49,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions.
[2024-12-02 11:52:49,754 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 55 transitions. Word has length 9
[2024-12-02 11:52:49,755 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:52:49,755 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 55 transitions.
[2024-12-02 11:52:49,755 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)
[2024-12-02 11:52:49,755 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions.
[2024-12-02 11:52:49,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-12-02 11:52:49,756 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:52:49,756 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:52:49,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-12-02 11:52:49,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/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
[2024-12-02 11:52:49,957 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:52:49,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:52:49,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1891570642, now seen corresponding path program 1 times
[2024-12-02 11:52:49,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 11:52:49,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [855995446]
[2024-12-02 11:52:49,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:52:49,958 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
[2024-12-02 11:52:49,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 11:52:49,960 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/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)
[2024-12-02 11:52:49,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/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
[2024-12-02 11:52:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:52:50,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-12-02 11:52:50,562 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:52:50,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:52:50,831 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 11:52:50,831 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 11:52:50,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [855995446]
[2024-12-02 11:52:50,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [855995446] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:52:50,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:52:50,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 11:52:50,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540308280]
[2024-12-02 11:52:50,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:52:50,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 11:52:50,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 11:52:50,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 11:52:50,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 11:52:50,834 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)
[2024-12-02 11:52:52,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:52:52,417 INFO L93 Difference]: Finished difference Result 46 states and 59 transitions.
[2024-12-02 11:52:52,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 11:52:52,418 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
[2024-12-02 11:52:52,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:52:52,419 INFO L225 Difference]: With dead ends: 46
[2024-12-02 11:52:52,419 INFO L226 Difference]: Without dead ends: 41
[2024-12-02 11:52:52,419 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
[2024-12-02 11:52:52,420 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 16 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.5s IncrementalHoareTripleChecker+Time
[2024-12-02 11:52:52,420 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 119 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2024-12-02 11:52:52,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2024-12-02 11:52:52,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2024-12-02 11:52:52,425 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)
[2024-12-02 11:52:52,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 54 transitions.
[2024-12-02 11:52:52,426 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 54 transitions. Word has length 10
[2024-12-02 11:52:52,426 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:52:52,426 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 54 transitions.
[2024-12-02 11:52:52,426 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)
[2024-12-02 11:52:52,427 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions.
[2024-12-02 11:52:52,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-12-02 11:52:52,427 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:52:52,427 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:52:52,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/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
[2024-12-02 11:52:52,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/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
[2024-12-02 11:52:52,628 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:52:52,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:52:52,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1415984718, now seen corresponding path program 1 times
[2024-12-02 11:52:52,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 11:52:52,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [651282734]
[2024-12-02 11:52:52,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:52:52,629 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
[2024-12-02 11:52:52,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 11:52:52,630 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/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)
[2024-12-02 11:52:52,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/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
[2024-12-02 11:52:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:52:53,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-12-02 11:52:53,203 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:52:53,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:52:53,922 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 11:52:53,923 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 11:52:53,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [651282734]
[2024-12-02 11:52:53,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [651282734] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:52:53,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:52:53,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 11:52:53,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868776130]
[2024-12-02 11:52:53,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:52:53,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 11:52:53,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 11:52:53,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 11:52:53,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2024-12-02 11:52:53,924 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)
[2024-12-02 11:53:00,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 11:53:04,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 11:53:08,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 11:53:12,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 11:53:16,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 11:53:21,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 11:53:25,138 WARN L539 Checker$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 []
[2024-12-02 11:53:29,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 11:53:33,146 WARN L539 Checker$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 []
[2024-12-02 11:53:37,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 11:53:40,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 11:53:44,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 11:53:47,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 11:53:51,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 11:53:55,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 11:53:59,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 11:54:03,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 11:54:07,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 11:54:11,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.86s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 11:54:16,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 11:54:20,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 11:54:24,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 11:54:28,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 11:54:32,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 11:54:34,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 11:54:38,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 11:54:42,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 11:54:46,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 11:54:50,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 11:54:54,285 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 []
[2024-12-02 11:54:54,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:54:54,285 INFO L93 Difference]: Finished difference Result 46 states and 58 transitions.
[2024-12-02 11:54:54,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-12-02 11:54:54,317 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
[2024-12-02 11:54:54,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:54:54,318 INFO L225 Difference]: With dead ends: 46
[2024-12-02 11:54:54,318 INFO L226 Difference]: Without dead ends: 41
[2024-12-02 11:54:54,318 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90
[2024-12-02 11:54:54,318 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 49 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 2 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 119.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 120.1s IncrementalHoareTripleChecker+Time
[2024-12-02 11:54:54,319 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 134 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 96 Invalid, 26 Unknown, 0 Unchecked, 120.1s Time]
[2024-12-02 11:54:54,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2024-12-02 11:54:54,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2024-12-02 11:54:54,322 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)
[2024-12-02 11:54:54,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 52 transitions.
[2024-12-02 11:54:54,323 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 52 transitions. Word has length 11
[2024-12-02 11:54:54,323 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:54:54,323 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 52 transitions.
[2024-12-02 11:54:54,323 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)
[2024-12-02 11:54:54,323 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions.
[2024-12-02 11:54:54,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2024-12-02 11:54:54,323 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:54:54,323 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]
[2024-12-02 11:54:54,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2024-12-02 11:54:54,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/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
[2024-12-02 11:54:54,524 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:54:54,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:54:54,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1848724296, now seen corresponding path program 1 times
[2024-12-02 11:54:54,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 11:54:54,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1531264802]
[2024-12-02 11:54:54,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:54:54,525 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
[2024-12-02 11:54:54,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 11:54:54,526 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/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)
[2024-12-02 11:54:54,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/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
[2024-12-02 11:54:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:54:55,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-12-02 11:54:55,242 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:54:55,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1
[2024-12-02 11:54:55,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16
[2024-12-02 11:54:55,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:54:55,630 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 11:54:55,630 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 11:54:55,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1531264802]
[2024-12-02 11:54:55,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1531264802] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:54:55,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:54:55,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 11:54:55,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126234050]
[2024-12-02 11:54:55,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:54:55,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 11:54:55,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 11:54:55,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 11:54:55,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:54:55,632 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)
[2024-12-02 11:54:55,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:54:55,874 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions.
[2024-12-02 11:54:55,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 11:54:55,875 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
[2024-12-02 11:54:55,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:54:55,875 INFO L225 Difference]: With dead ends: 41
[2024-12-02 11:54:55,875 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 11:54:55,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2024-12-02 11:54:55,876 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
[2024-12-02 11:54:55,876 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]
[2024-12-02 11:54:55,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 11:54:55,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 11:54:55,877 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)
[2024-12-02 11:54:55,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 11:54:55,878 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22
[2024-12-02 11:54:55,878 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:54:55,878 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 11:54:55,878 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)
[2024-12-02 11:54:55,878 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 11:54:55,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 11:54:55,880 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 11:54:55,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/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
[2024-12-02 11:54:56,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/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
[2024-12-02 11:54:56,083 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-12-02 11:54:56,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 11:54:56,280 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 11:54:56,290 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode
[2024-12-02 11:54:56,291 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode
[2024-12-02 11:54:56,291 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode
[2024-12-02 11:54:56,291 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven
[2024-12-02 11:54:56,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:54:56 BoogieIcfgContainer
[2024-12-02 11:54:56,291 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 11:54:56,292 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 11:54:56,292 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 11:54:56,292 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 11:54:56,292 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:52:48" (3/4) ...
[2024-12-02 11:54:56,294 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 11:54:56,301 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges
[2024-12-02 11:54:56,301 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-12-02 11:54:56,301 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 11:54:56,301 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 11:54:56,381 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 11:54:56,381 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 11:54:56,381 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 11:54:56,382 INFO L158 Benchmark]: Toolchain (without parser) took 165070.31ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 56.9MB in the end (delta: 13.1MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB.
[2024-12-02 11:54:56,382 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:54:56,382 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.94ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 55.6MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 11:54:56,382 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.88ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 53.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:54:56,383 INFO L158 Benchmark]: Boogie Preprocessor took 52.07ms. Allocated memory is still 92.3MB. Free memory was 53.6MB in the beginning and 50.4MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:54:56,383 INFO L158 Benchmark]: RCFGBuilder took 37278.17ms. Allocated memory is still 92.3MB. Free memory was 50.2MB in the beginning and 59.6MB in the end (delta: -9.4MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB.
[2024-12-02 11:54:56,383 INFO L158 Benchmark]: TraceAbstraction took 127307.88ms. Allocated memory is still 92.3MB. Free memory was 59.0MB in the beginning and 63.1MB in the end (delta: -4.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:54:56,383 INFO L158 Benchmark]: Witness Printer took 89.33ms. Allocated memory is still 92.3MB. Free memory was 63.1MB in the beginning and 56.9MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 11:54:56,385 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 293.94ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 55.6MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 42.88ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 53.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 52.07ms. Allocated memory is still 92.3MB. Free memory was 53.6MB in the beginning and 50.4MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 37278.17ms. Allocated memory is still 92.3MB. Free memory was 50.2MB in the beginning and 59.6MB in the end (delta: -9.4MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB.
* TraceAbstraction took 127307.88ms. Allocated memory is still 92.3MB. Free memory was 59.0MB in the beginning and 63.1MB in the end (delta: -4.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 89.33ms. Allocated memory is still 92.3MB. Free memory was 63.1MB in the beginning and 56.9MB in the end (delta: 6.2MB). 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: 127.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 122.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 26 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 121.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 320 SdHoareTripleChecker+Invalid, 121.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 185 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 124 IncrementalHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 135 mSDtfsCounter, 124 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s 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, 2.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 48 ConstructedInterpolants, 10 QuantifiedInterpolants, 259 SizeOfPredicates, 9 NumberOfNonLiveVariables, 247 ConjunctsInSsa, 31 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!
[2024-12-02 11:54:56,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08bab391-7294-4ede-a09d-637a52a78513/bin/uautomizer-verify-84ZbGMXZE1/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