./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0610.c --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0610.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC --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 25249e4a5dfcdfed2078f190bfb36f4672db41bdb03e03d1de22de138ec215e0
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 23:50:14,760 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-23 23:50:14,888 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-23 23:50:14,899 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 23:50:14,899 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 23:50:14,927 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 23:50:14,928 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 23:50:14,928 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 23:50:14,929 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 23:50:14,929 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-23 23:50:14,929 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 23:50:14,929 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 23:50:14,930 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 23:50:14,930 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-23 23:50:14,930 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-23 23:50:14,931 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 23:50:14,931 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-23 23:50:14,931 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-23 23:50:14,931 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-23 23:50:14,931 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-23 23:50:14,931 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-23 23:50:14,932 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 23:50:14,932 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 23:50:14,932 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 23:50:14,932 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-23 23:50:14,932 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-23 23:50:14,932 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 23:50:14,933 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-23 23:50:14,933 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 23:50:14,933 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-23 23:50:14,933 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:50:14,933 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-23 23:50:14,934 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:50:14,934 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 23:50:14,934 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-23 23:50:14,934 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:50:14,934 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-23 23:50:14,934 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:50:14,935 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 23:50:14,935 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 23:50:14,935 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-11-23 23:50:14,935 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 23:50:14,935 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-23 23:50:14,936 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 23:50:14,936 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 23:50:14,936 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 23:50:14,936 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 23:50:14,936 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 23:50:14,936 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_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC
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 -> 25249e4a5dfcdfed2078f190bfb36f4672db41bdb03e03d1de22de138ec215e0
[2024-11-23 23:50:15,316 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 23:50:15,332 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 23:50:15,338 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 23:50:15,339 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-23 23:50:15,340 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-23 23:50:15,341 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/float-newlib/float_req_bl_0610.c
[2024-11-23 23:50:18,746 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/data/53391430f/186e4d08dd4a4eb1a081f40f3f058818/FLAGb2155580d
[2024-11-23 23:50:19,113 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-23 23:50:19,114 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/sv-benchmarks/c/float-newlib/float_req_bl_0610.c
[2024-11-23 23:50:19,123 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/data/53391430f/186e4d08dd4a4eb1a081f40f3f058818/FLAGb2155580d
[2024-11-23 23:50:19,139 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/data/53391430f/186e4d08dd4a4eb1a081f40f3f058818
[2024-11-23 23:50:19,142 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 23:50:19,143 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 23:50:19,144 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 23:50:19,145 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 23:50:19,148 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 23:50:19,149 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:50:19" (1/1) ...
[2024-11-23 23:50:19,150 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408514dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:19, skipping insertion in model container
[2024-11-23 23:50:19,150 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:50:19" (1/1) ...
[2024-11-23 23:50:19,168 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-23 23:50:19,373 ERROR L321         MainTranslator]: Unsupported Syntax: floats in unions are not supported in the integer translation.
[2024-11-23 23:50:19,374 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7da6f261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:19, skipping insertion in model container
[2024-11-23 23:50:19,374 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 23:50:19,375 INFO  L186        ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner
[2024-11-23 23:50:19,377 INFO  L158              Benchmark]: Toolchain (without parser) took 232.83ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 110.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:50:19,380 INFO  L158              Benchmark]: CDTParser took 0.89ms. Allocated memory is still 142.6MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:50:19,381 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 230.22ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 110.3MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:50:19,382 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.89ms. Allocated memory is still 142.6MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 230.22ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 110.3MB 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: 9]: 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_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0610.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC --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 25249e4a5dfcdfed2078f190bfb36f4672db41bdb03e03d1de22de138ec215e0
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 23:50:22,317 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-23 23:50:22,470 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-23 23:50:22,478 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 23:50:22,481 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 23:50:22,523 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 23:50:22,525 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 23:50:22,526 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 23:50:22,526 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 23:50:22,527 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-23 23:50:22,528 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 23:50:22,528 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 23:50:22,528 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 23:50:22,529 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-23 23:50:22,529 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-23 23:50:22,529 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 23:50:22,529 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-23 23:50:22,529 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-23 23:50:22,530 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-23 23:50:22,530 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-23 23:50:22,531 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 23:50:22,531 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 23:50:22,531 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 23:50:22,531 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-23 23:50:22,531 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-23 23:50:22,531 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-23 23:50:22,531 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-23 23:50:22,532 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-23 23:50:22,532 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 23:50:22,532 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-23 23:50:22,532 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 23:50:22,532 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-23 23:50:22,532 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:50:22,532 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-23 23:50:22,533 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:50:22,533 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 23:50:22,534 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-23 23:50:22,534 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:50:22,534 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-23 23:50:22,534 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:50:22,534 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 23:50:22,534 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 23:50:22,535 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-11-23 23:50:22,535 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 23:50:22,535 INFO  L153        SettingsManager]:  * Trace refinement strategy=FOX
[2024-11-23 23:50:22,535 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-23 23:50:22,536 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 23:50:22,536 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 23:50:22,536 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 23:50:22,536 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 23:50:22,536 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_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC
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 -> 25249e4a5dfcdfed2078f190bfb36f4672db41bdb03e03d1de22de138ec215e0
[2024-11-23 23:50:22,935 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 23:50:22,946 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 23:50:22,951 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 23:50:22,952 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-23 23:50:22,953 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-23 23:50:22,956 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/float-newlib/float_req_bl_0610.c
[2024-11-23 23:50:26,167 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/data/c6dc7765d/fb42689160bd456ea34afa358eddca44/FLAG066f9e70d
[2024-11-23 23:50:26,542 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-23 23:50:26,543 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/sv-benchmarks/c/float-newlib/float_req_bl_0610.c
[2024-11-23 23:50:26,556 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/data/c6dc7765d/fb42689160bd456ea34afa358eddca44/FLAG066f9e70d
[2024-11-23 23:50:26,579 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/data/c6dc7765d/fb42689160bd456ea34afa358eddca44
[2024-11-23 23:50:26,583 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 23:50:26,586 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 23:50:26,589 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 23:50:26,589 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 23:50:26,596 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 23:50:26,597 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:50:26" (1/1) ...
[2024-11-23 23:50:26,598 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e6a774e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:26, skipping insertion in model container
[2024-11-23 23:50:26,598 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:50:26" (1/1) ...
[2024-11-23 23:50:26,623 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-23 23:50:26,900 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_3ec0266a-8b7e-4de6-be12-0e92397739f6/sv-benchmarks/c/float-newlib/float_req_bl_0610.c[3190,3203]
[2024-11-23 23:50:26,906 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:50:26,936 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-23 23:50:26,989 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_3ec0266a-8b7e-4de6-be12-0e92397739f6/sv-benchmarks/c/float-newlib/float_req_bl_0610.c[3190,3203]
[2024-11-23 23:50:26,990 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:50:27,016 INFO  L204         MainTranslator]: Completed translation
[2024-11-23 23:50:27,016 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:27 WrapperNode
[2024-11-23 23:50:27,016 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 23:50:27,018 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 23:50:27,018 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 23:50:27,018 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 23:50:27,025 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:27" (1/1) ...
[2024-11-23 23:50:27,039 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:27" (1/1) ...
[2024-11-23 23:50:27,076 INFO  L138                Inliner]: procedures = 23, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 177
[2024-11-23 23:50:27,076 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 23:50:27,077 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 23:50:27,077 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 23:50:27,077 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 23:50:27,085 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:27" (1/1) ...
[2024-11-23 23:50:27,086 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:27" (1/1) ...
[2024-11-23 23:50:27,091 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:27" (1/1) ...
[2024-11-23 23:50:27,111 INFO  L175           MemorySlicer]: Split 45 memory accesses to 7 slices as follows [2, 7, 2, 7, 23, 2, 2]. 51 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 4, 0, 4, 0, 0, 0]. The 15 writes are split as follows [0, 0, 1, 0, 12, 1, 1].
[2024-11-23 23:50:27,111 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:27" (1/1) ...
[2024-11-23 23:50:27,111 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:27" (1/1) ...
[2024-11-23 23:50:27,129 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:27" (1/1) ...
[2024-11-23 23:50:27,131 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:27" (1/1) ...
[2024-11-23 23:50:27,135 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:27" (1/1) ...
[2024-11-23 23:50:27,139 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:27" (1/1) ...
[2024-11-23 23:50:27,141 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:27" (1/1) ...
[2024-11-23 23:50:27,147 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 23:50:27,148 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 23:50:27,148 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 23:50:27,148 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-23 23:50:27,149 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:27" (1/1) ...
[2024-11-23 23:50:27,160 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:50:27,186 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:50:27,203 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 23:50:27,207 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 23:50:27,240 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 23:50:27,240 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0
[2024-11-23 23:50:27,241 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1
[2024-11-23 23:50:27,241 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2
[2024-11-23 23:50:27,241 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3
[2024-11-23 23:50:27,241 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4
[2024-11-23 23:50:27,241 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5
[2024-11-23 23:50:27,241 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6
[2024-11-23 23:50:27,241 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-23 23:50:27,241 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-23 23:50:27,242 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-11-23 23:50:27,242 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3
[2024-11-23 23:50:27,242 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4
[2024-11-23 23:50:27,242 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5
[2024-11-23 23:50:27,243 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6
[2024-11-23 23:50:27,243 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-23 23:50:27,243 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0
[2024-11-23 23:50:27,243 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1
[2024-11-23 23:50:27,243 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2
[2024-11-23 23:50:27,243 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3
[2024-11-23 23:50:27,243 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4
[2024-11-23 23:50:27,243 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5
[2024-11-23 23:50:27,243 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6
[2024-11-23 23:50:27,243 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-23 23:50:27,243 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-23 23:50:27,244 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-11-23 23:50:27,244 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3
[2024-11-23 23:50:27,244 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4
[2024-11-23 23:50:27,244 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5
[2024-11-23 23:50:27,244 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6
[2024-11-23 23:50:27,244 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0
[2024-11-23 23:50:27,244 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1
[2024-11-23 23:50:27,244 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2
[2024-11-23 23:50:27,244 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3
[2024-11-23 23:50:27,244 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4
[2024-11-23 23:50:27,244 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5
[2024-11-23 23:50:27,244 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6
[2024-11-23 23:50:27,244 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 23:50:27,245 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 23:50:27,245 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0
[2024-11-23 23:50:27,245 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1
[2024-11-23 23:50:27,247 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2
[2024-11-23 23:50:27,247 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3
[2024-11-23 23:50:27,247 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4
[2024-11-23 23:50:27,248 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5
[2024-11-23 23:50:27,248 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6
[2024-11-23 23:50:27,248 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-11-23 23:50:27,248 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-11-23 23:50:27,248 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2
[2024-11-23 23:50:27,248 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3
[2024-11-23 23:50:27,248 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4
[2024-11-23 23:50:27,248 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5
[2024-11-23 23:50:27,248 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6
[2024-11-23 23:50:27,248 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-23 23:50:27,499 INFO  L234             CfgBuilder]: Building ICFG
[2024-11-23 23:50:27,501 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 23:50:49,030 INFO  L?                        ?]: Removed 37 outVars from TransFormulas that were not future-live.
[2024-11-23 23:50:49,031 INFO  L283             CfgBuilder]: Performing block encoding
[2024-11-23 23:50:49,048 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 23:50:49,048 INFO  L312             CfgBuilder]: Removed 3 assume(true) statements.
[2024-11-23 23:50:49,048 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:50:49 BoogieIcfgContainer
[2024-11-23 23:50:49,049 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 23:50:49,052 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 23:50:49,052 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 23:50:49,063 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-23 23:50:49,064 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:50:26" (1/3) ...
[2024-11-23 23:50:49,065 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654de166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:50:49, skipping insertion in model container
[2024-11-23 23:50:49,066 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:27" (2/3) ...
[2024-11-23 23:50:49,066 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654de166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:50:49, skipping insertion in model container
[2024-11-23 23:50:49,067 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:50:49" (3/3) ...
[2024-11-23 23:50:49,068 INFO  L128   eAbstractionObserver]: Analyzing ICFG float_req_bl_0610.c
[2024-11-23 23:50:49,087 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 23:50:49,089 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0610.c that has 1 procedures, 31 locations, 1 initial locations, 3 loop locations, and 1 error locations.
[2024-11-23 23:50:49,163 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 23:50:49,177 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;@50c54710, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 23:50:49,178 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-23 23:50:49,185 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 31 states, 29 states have (on average 1.6206896551724137) internal successors, (47), 30 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:50:49,193 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-11-23 23:50:49,193 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-23 23:50:49,194 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:50:49,194 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:50:49,202 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:50:49,203 INFO  L85        PathProgramCache]: Analyzing trace with hash -604812469, now seen corresponding path program 1 times
[2024-11-23 23:50:49,220 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 23:50:49,225 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [34469167]
[2024-11-23 23:50:49,226 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:50:49,226 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-23 23:50:49,227 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-23 23:50:49,230 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-23 23:50:49,232 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-23 23:50:50,352 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:50:50,400 INFO  L256         TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-23 23:50:50,405 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:50:50,429 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:50:50,429 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 23:50:50,430 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-23 23:50:50,430 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [34469167]
[2024-11-23 23:50:50,431 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [34469167] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:50:50,431 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:50:50,431 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:50:50,433 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326279374]
[2024-11-23 23:50:50,433 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:50:50,437 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-23 23:50:50,437 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-23 23:50:50,457 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-23 23:50:50,458 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-23 23:50:50,460 INFO  L87              Difference]: Start difference. First operand  has 31 states, 29 states have (on average 1.6206896551724137) internal successors, (47), 30 states have internal predecessors, (47), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:50:50,477 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:50:50,478 INFO  L93              Difference]: Finished difference Result 60 states and 92 transitions.
[2024-11-23 23:50:50,479 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-23 23:50:50,480 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2024-11-23 23:50:50,481 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:50:50,489 INFO  L225             Difference]: With dead ends: 60
[2024-11-23 23:50:50,489 INFO  L226             Difference]: Without dead ends: 28
[2024-11-23 23:50:50,493 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-23 23:50:50,496 INFO  L435           NwaCegarLoop]: 40 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, 40 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:50:50,497 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:50:50,513 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 28 states.
[2024-11-23 23:50:50,525 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28.
[2024-11-23 23:50:50,527 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 28 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 27 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:50:50,530 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 37 transitions.
[2024-11-23 23:50:50,532 INFO  L78                 Accepts]: Start accepts. Automaton has 28 states and 37 transitions. Word has length 10
[2024-11-23 23:50:50,532 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:50:50,533 INFO  L471      AbstractCegarLoop]: Abstraction has 28 states and 37 transitions.
[2024-11-23 23:50:50,533 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:50:50,533 INFO  L276                IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions.
[2024-11-23 23:50:50,533 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-23 23:50:50,534 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-23 23:50:50,534 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:50:50,559 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2024-11-23 23:50:50,734 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-23 23:50:50,735 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:50:50,735 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:50:50,735 INFO  L85        PathProgramCache]: Analyzing trace with hash 1354847630, now seen corresponding path program 1 times
[2024-11-23 23:50:50,736 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 23:50:50,736 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [619300574]
[2024-11-23 23:50:50,736 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:50:50,736 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-23 23:50:50,736 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-23 23:50:50,741 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-23 23:50:50,742 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-11-23 23:50:51,793 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:50:51,846 INFO  L256         TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-23 23:50:51,851 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:50:52,703 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:50:52,703 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 23:50:52,703 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-23 23:50:52,704 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [619300574]
[2024-11-23 23:50:52,704 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [619300574] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:50:52,704 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:50:52,704 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-23 23:50:52,704 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662440886]
[2024-11-23 23:50:52,705 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:50:52,706 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-23 23:50:52,706 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-23 23:50:52,707 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-23 23:50:52,707 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2024-11-23 23:50:52,707 INFO  L87              Difference]: Start difference. First operand 28 states and 37 transitions. Second operand  has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:50:53,859 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-23 23:50:59,344 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-23 23:51:03,351 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-23 23:51:07,360 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-23 23:51:11,371 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-23 23:51:13,678 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-23 23:51:17,962 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-23 23:51:21,232 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-23 23:51:22,605 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-23 23:51:26,339 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-23 23:51:29,554 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-23 23:51:34,246 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-23 23:51:38,253 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-23 23:51:42,255 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-23 23:51:46,258 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-23 23:51:50,264 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-23 23:51:53,997 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.73s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-23 23:51:58,066 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-23 23:51:58,067 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:51:58,067 INFO  L93              Difference]: Finished difference Result 39 states and 48 transitions.
[2024-11-23 23:51:58,085 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-23 23:51:58,085 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2024-11-23 23:51:58,085 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:51:58,086 INFO  L225             Difference]: With dead ends: 39
[2024-11-23 23:51:58,086 INFO  L226             Difference]: Without dead ends: 26
[2024-11-23 23:51:58,086 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90
[2024-11-23 23:51:58,087 INFO  L435           NwaCegarLoop]: 21 mSDtfsCounter, 36 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 3 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:51:58,087 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 90 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 72 Invalid, 11 Unknown, 0 Unchecked, 65.0s Time]
[2024-11-23 23:51:58,088 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2024-11-23 23:51:58,091 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25.
[2024-11-23 23:51:58,091 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 25 states, 24 states have (on average 1.25) internal successors, (30), 24 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:51:58,092 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions.
[2024-11-23 23:51:58,092 INFO  L78                 Accepts]: Start accepts. Automaton has 25 states and 30 transitions. Word has length 11
[2024-11-23 23:51:58,092 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:51:58,092 INFO  L471      AbstractCegarLoop]: Abstraction has 25 states and 30 transitions.
[2024-11-23 23:51:58,093 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:51:58,093 INFO  L276                IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions.
[2024-11-23 23:51:58,093 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-23 23:51:58,093 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-23 23:51:58,094 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:51:58,114 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2024-11-23 23:51:58,294 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-23 23:51:58,294 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:51:58,295 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:51:58,295 INFO  L85        PathProgramCache]: Analyzing trace with hash -960541071, now seen corresponding path program 1 times
[2024-11-23 23:51:58,295 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 23:51:58,296 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [479634137]
[2024-11-23 23:51:58,296 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:51:58,296 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-23 23:51:58,296 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-23 23:51:58,298 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-23 23:51:58,299 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2024-11-23 23:51:59,355 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:51:59,405 INFO  L256         TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-23 23:51:59,408 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:52:00,147 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:52:00,148 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 23:52:00,148 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-23 23:52:00,148 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [479634137]
[2024-11-23 23:52:00,148 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [479634137] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:52:00,149 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:52:00,149 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 23:52:00,149 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900359112]
[2024-11-23 23:52:00,149 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:52:00,149 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 23:52:00,150 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-23 23:52:00,150 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 23:52:00,151 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:52:00,151 INFO  L87              Difference]: Start difference. First operand 25 states and 30 transitions. Second operand  has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:52:00,510 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:52:00,510 INFO  L93              Difference]: Finished difference Result 25 states and 30 transitions.
[2024-11-23 23:52:00,511 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-23 23:52:00,511 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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 12
[2024-11-23 23:52:00,511 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:52:00,512 INFO  L225             Difference]: With dead ends: 25
[2024-11-23 23:52:00,512 INFO  L226             Difference]: Without dead ends: 0
[2024-11-23 23:52:00,512 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-23 23:52:00,513 INFO  L435           NwaCegarLoop]: 3 mSDtfsCounter, 6 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-23 23:52:00,513 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 7 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-23 23:52:00,514 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-23 23:52:00,514 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-23 23:52:00,514 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:52:00,514 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-23 23:52:00,515 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12
[2024-11-23 23:52:00,515 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:52:00,515 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-23 23:52:00,515 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:52:00,515 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-23 23:52:00,515 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-23 23:52:00,518 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-23 23:52:00,538 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 23:52:00,719 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-23 23:52:00,723 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-23 23:52:00,725 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-23 23:52:00,910 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 23:52:00,923 WARN  L970   BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression
[2024-11-23 23:52:00,924 WARN  L970   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode
[2024-11-23 23:52:00,924 WARN  L970   BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven
[2024-11-23 23:52:00,929 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:52:00 BoogieIcfgContainer
[2024-11-23 23:52:00,930 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 23:52:00,930 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 23:52:00,930 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-23 23:52:00,931 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-23 23:52:00,932 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:50:49" (3/4) ...
[2024-11-23 23:52:00,934 INFO  L146         WitnessPrinter]: Generating witness for correct program
[2024-11-23 23:52:00,944 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges
[2024-11-23 23:52:00,945 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2024-11-23 23:52:00,945 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-23 23:52:00,946 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-23 23:52:01,061 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-23 23:52:01,062 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-23 23:52:01,062 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 23:52:01,063 INFO  L158              Benchmark]: Toolchain (without parser) took 94477.39ms. Allocated memory is still 83.9MB. Free memory was 60.1MB in the beginning and 44.7MB in the end (delta: 15.4MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB.
[2024-11-23 23:52:01,064 INFO  L158              Benchmark]: CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:52:01,064 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 428.00ms. Allocated memory is still 83.9MB. Free memory was 60.1MB in the beginning and 46.0MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-23 23:52:01,065 INFO  L158              Benchmark]: Boogie Procedure Inliner took 58.52ms. Allocated memory is still 83.9MB. Free memory was 46.0MB in the beginning and 44.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:52:01,066 INFO  L158              Benchmark]: Boogie Preprocessor took 70.11ms. Allocated memory is still 83.9MB. Free memory was 44.1MB in the beginning and 40.4MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:52:01,066 INFO  L158              Benchmark]: RCFGBuilder took 21901.31ms. Allocated memory is still 83.9MB. Free memory was 40.4MB in the beginning and 56.6MB in the end (delta: -16.2MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB.
[2024-11-23 23:52:01,066 INFO  L158              Benchmark]: TraceAbstraction took 71877.45ms. Allocated memory is still 83.9MB. Free memory was 56.0MB in the beginning and 50.7MB in the end (delta: 5.3MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB.
[2024-11-23 23:52:01,067 INFO  L158              Benchmark]: Witness Printer took 131.81ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 44.7MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:52:01,073 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 428.00ms. Allocated memory is still 83.9MB. Free memory was 60.1MB in the beginning and 46.0MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 58.52ms. Allocated memory is still 83.9MB. Free memory was 46.0MB in the beginning and 44.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 70.11ms. Allocated memory is still 83.9MB. Free memory was 44.1MB in the beginning and 40.4MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 21901.31ms. Allocated memory is still 83.9MB. Free memory was 40.4MB in the beginning and 56.6MB in the end (delta: -16.2MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB.
 * TraceAbstraction took 71877.45ms. Allocated memory is still 83.9MB. Free memory was 56.0MB in the beginning and 50.7MB in the end (delta: 5.3MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB.
 * Witness Printer took 131.81ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 44.7MB in the end (delta: 6.0MB). 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: Expression type not yet supported in backtranslation: QuantifierExpression
  - 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: 134]: 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, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 71.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 65.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 11 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 65.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 137 SdHoareTripleChecker+Invalid, 64.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 73 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 78 IncrementalHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 64 mSDtfsCounter, 78 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 5 QuantifiedInterpolants, 160 SizeOfPredicates, 5 NumberOfNonLiveVariables, 343 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 26]: Loop Invariant
    Derived loop invariant: 0
  - InvariantResult [Line: 21]: Loop Invariant
    Derived loop invariant: 0
RESULT: Ultimate proved your program to be correct!
[2024-11-23 23:52:01,193 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ec0266a-8b7e-4de6-be12-0e92397739f6/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE