./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float21.i --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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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 b3d24e4c1c847e769127c38fbc1869029d0f9f97538d9231a2c03e206a85bd0f
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 00:42:17,847 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-24 00:42:17,956 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-24 00:42:17,963 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 00:42:17,964 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 00:42:17,996 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 00:42:17,997 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 00:42:17,997 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 00:42:17,997 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 00:42:17,998 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-24 00:42:17,998 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 00:42:17,998 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 00:42:17,998 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 00:42:17,999 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-24 00:42:17,999 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-24 00:42:17,999 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 00:42:17,999 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-24 00:42:18,000 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-24 00:42:18,000 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-24 00:42:18,000 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-24 00:42:18,003 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-24 00:42:18,003 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 00:42:18,004 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 00:42:18,004 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 00:42:18,004 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-24 00:42:18,004 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-24 00:42:18,004 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 00:42:18,004 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-24 00:42:18,004 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 00:42:18,004 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-24 00:42:18,005 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:42:18,005 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-24 00:42:18,005 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:42:18,005 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 00:42:18,005 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-24 00:42:18,005 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:42:18,005 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-24 00:42:18,005 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:42:18,006 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 00:42:18,006 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 00:42:18,006 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-11-24 00:42:18,006 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 00:42:18,006 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-24 00:42:18,006 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 00:42:18,006 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 00:42:18,009 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 00:42:18,009 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 00:42:18,009 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 00:42:18,009 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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 -> b3d24e4c1c847e769127c38fbc1869029d0f9f97538d9231a2c03e206a85bd0f
[2024-11-24 00:42:18,387 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 00:42:18,398 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 00:42:18,401 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 00:42:18,403 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-24 00:42:18,404 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-24 00:42:18,405 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/floats-cbmc-regression/float21.i
[2024-11-24 00:42:22,071 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/data/cb0bf39e5/374c9b358cab472c89aeef3c8badf8ee/FLAGf17afef25
[2024-11-24 00:42:22,606 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-24 00:42:22,607 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i
[2024-11-24 00:42:22,634 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/data/cb0bf39e5/374c9b358cab472c89aeef3c8badf8ee/FLAGf17afef25
[2024-11-24 00:42:22,659 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/data/cb0bf39e5/374c9b358cab472c89aeef3c8badf8ee
[2024-11-24 00:42:22,663 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 00:42:22,665 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 00:42:22,667 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 00:42:22,668 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 00:42:22,679 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 00:42:22,680 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:42:22" (1/1) ...
[2024-11-24 00:42:22,681 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5160a782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:42:22, skipping insertion in model container
[2024-11-24 00:42:22,681 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:42:22" (1/1) ...
[2024-11-24 00:42:22,735 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-24 00:42:23,395 FATAL L?                        ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception:
java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1602)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1211)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:280)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2556)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:782)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2556)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2556)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1752)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1158)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:393)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3507)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.<init>(MainTranslator.java:94)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
[2024-11-24 00:42:23,403 INFO  L158              Benchmark]: Toolchain (without parser) took 737.26ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 91.9MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 00:42:23,404 INFO  L158              Benchmark]: CDTParser took 0.51ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:42:23,404 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 733.85ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 91.9MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 00:42:23,406 INFO  L338   ainManager$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 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 733.85ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 91.9MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify
    de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629)
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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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 b3d24e4c1c847e769127c38fbc1869029d0f9f97538d9231a2c03e206a85bd0f
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 00:42:26,523 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-24 00:42:26,678 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-24 00:42:26,689 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 00:42:26,689 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 00:42:26,754 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 00:42:26,756 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 00:42:26,757 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 00:42:26,757 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 00:42:26,758 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-24 00:42:26,758 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 00:42:26,758 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 00:42:26,759 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 00:42:26,759 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-24 00:42:26,759 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-24 00:42:26,761 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 00:42:26,762 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-24 00:42:26,762 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-24 00:42:26,762 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-24 00:42:26,762 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-24 00:42:26,762 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 00:42:26,762 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 00:42:26,762 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 00:42:26,762 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-24 00:42:26,762 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-24 00:42:26,763 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-24 00:42:26,763 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-24 00:42:26,763 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-24 00:42:26,763 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 00:42:26,763 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-24 00:42:26,763 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 00:42:26,763 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-24 00:42:26,763 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:42:26,763 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-24 00:42:26,763 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:42:26,765 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 00:42:26,765 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-24 00:42:26,765 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:42:26,765 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-24 00:42:26,765 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:42:26,766 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 00:42:26,766 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 00:42:26,766 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-11-24 00:42:26,766 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 00:42:26,766 INFO  L153        SettingsManager]:  * Trace refinement strategy=FOX
[2024-11-24 00:42:26,766 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-24 00:42:26,767 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 00:42:26,767 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 00:42:26,767 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 00:42:26,768 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 00:42:26,768 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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 -> b3d24e4c1c847e769127c38fbc1869029d0f9f97538d9231a2c03e206a85bd0f
[2024-11-24 00:42:27,204 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 00:42:27,218 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 00:42:27,224 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 00:42:27,225 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-24 00:42:27,225 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-24 00:42:27,229 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/floats-cbmc-regression/float21.i
[2024-11-24 00:42:30,794 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/data/8115ba593/cf9b1cdaa563436ab8275af0ed78bb20/FLAGb46b20eb7
[2024-11-24 00:42:31,229 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-24 00:42:31,230 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i
[2024-11-24 00:42:31,247 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/data/8115ba593/cf9b1cdaa563436ab8275af0ed78bb20/FLAGb46b20eb7
[2024-11-24 00:42:31,266 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/data/8115ba593/cf9b1cdaa563436ab8275af0ed78bb20
[2024-11-24 00:42:31,269 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 00:42:31,271 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 00:42:31,273 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 00:42:31,273 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 00:42:31,279 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 00:42:31,280 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:42:31" (1/1) ...
[2024-11-24 00:42:31,281 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47efded7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:42:31, skipping insertion in model container
[2024-11-24 00:42:31,281 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:42:31" (1/1) ...
[2024-11-24 00:42:31,330 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-24 00:42:32,292 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i[40548,40561]
[2024-11-24 00:42:32,298 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i[40793,40806]
[2024-11-24 00:42:32,300 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i[41044,41057]
[2024-11-24 00:42:32,303 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i[41293,41306]
[2024-11-24 00:42:32,304 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i[41371,41384]
[2024-11-24 00:42:32,305 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i[41469,41482]
[2024-11-24 00:42:32,305 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i[41539,41552]
[2024-11-24 00:42:32,306 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i[41607,41620]
[2024-11-24 00:42:32,307 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i[41705,41718]
[2024-11-24 00:42:32,308 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i[41799,41812]
[2024-11-24 00:42:32,309 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i[41906,41919]
[2024-11-24 00:42:32,310 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i[41974,41987]
[2024-11-24 00:42:32,313 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i[42220,42233]
[2024-11-24 00:42:32,315 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:42:32,331 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-24 00:42:32,377 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i[40548,40561]
[2024-11-24 00:42:32,379 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i[40793,40806]
[2024-11-24 00:42:32,381 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i[41044,41057]
[2024-11-24 00:42:32,383 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i[41293,41306]
[2024-11-24 00:42:32,384 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i[41371,41384]
[2024-11-24 00:42:32,385 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i[41469,41482]
[2024-11-24 00:42:32,385 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i[41539,41552]
[2024-11-24 00:42:32,386 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i[41607,41620]
[2024-11-24 00:42:32,387 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i[41705,41718]
[2024-11-24 00:42:32,387 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i[41799,41812]
[2024-11-24 00:42:32,389 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i[41906,41919]
[2024-11-24 00:42:32,389 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i[41974,41987]
[2024-11-24 00:42:32,391 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_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/sv-benchmarks/c/floats-cbmc-regression/float21.i[42220,42233]
[2024-11-24 00:42:32,393 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:42:32,523 INFO  L204         MainTranslator]: Completed translation
[2024-11-24 00:42:32,523 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:42:32 WrapperNode
[2024-11-24 00:42:32,524 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 00:42:32,525 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 00:42:32,525 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 00:42:32,525 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 00:42:32,543 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:42:32" (1/1) ...
[2024-11-24 00:42:32,563 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:42:32" (1/1) ...
[2024-11-24 00:42:32,587 INFO  L138                Inliner]: procedures = 449, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 66
[2024-11-24 00:42:32,588 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 00:42:32,588 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 00:42:32,588 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 00:42:32,589 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 00:42:32,601 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:42:32" (1/1) ...
[2024-11-24 00:42:32,601 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:42:32" (1/1) ...
[2024-11-24 00:42:32,608 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:42:32" (1/1) ...
[2024-11-24 00:42:32,631 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-24 00:42:32,631 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:42:32" (1/1) ...
[2024-11-24 00:42:32,632 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:42:32" (1/1) ...
[2024-11-24 00:42:32,645 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:42:32" (1/1) ...
[2024-11-24 00:42:32,646 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:42:32" (1/1) ...
[2024-11-24 00:42:32,649 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:42:32" (1/1) ...
[2024-11-24 00:42:32,651 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:42:32" (1/1) ...
[2024-11-24 00:42:32,653 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:42:32" (1/1) ...
[2024-11-24 00:42:32,656 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 00:42:32,656 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 00:42:32,657 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 00:42:32,657 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-24 00:42:32,658 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:42:32" (1/1) ...
[2024-11-24 00:42:32,669 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:42:32,687 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:42:32,704 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 00:42:32,709 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 00:42:32,748 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-24 00:42:32,749 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 00:42:32,749 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 00:42:32,750 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 00:42:32,750 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-24 00:42:32,750 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-24 00:42:32,879 INFO  L234             CfgBuilder]: Building ICFG
[2024-11-24 00:42:32,881 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 00:42:51,059 INFO  L?                        ?]: Removed 15 outVars from TransFormulas that were not future-live.
[2024-11-24 00:42:51,059 INFO  L283             CfgBuilder]: Performing block encoding
[2024-11-24 00:42:51,070 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 00:42:51,070 INFO  L312             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-24 00:42:51,071 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:42:51 BoogieIcfgContainer
[2024-11-24 00:42:51,071 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 00:42:51,073 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 00:42:51,074 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 00:42:51,079 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-24 00:42:51,079 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:42:31" (1/3) ...
[2024-11-24 00:42:51,080 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d260fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:42:51, skipping insertion in model container
[2024-11-24 00:42:51,080 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:42:32" (2/3) ...
[2024-11-24 00:42:51,080 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d260fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:42:51, skipping insertion in model container
[2024-11-24 00:42:51,080 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:42:51" (3/3) ...
[2024-11-24 00:42:51,081 INFO  L128   eAbstractionObserver]: Analyzing ICFG float21.i
[2024-11-24 00:42:51,098 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 00:42:51,100 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG float21.i that has 2 procedures, 55 locations, 1 initial locations, 0 loop locations, and 13 error locations.
[2024-11-24 00:42:51,158 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 00:42:51,177 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;@377263e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 00:42:51,178 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 13 error locations.
[2024-11-24 00:42:51,184 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 55 states, 37 states have (on average 1.7297297297297298) internal successors, (64), 50 states have internal predecessors, (64), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-24 00:42:51,189 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2024-11-24 00:42:51,189 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 00:42:51,189 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2024-11-24 00:42:51,190 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] ===
[2024-11-24 00:42:51,193 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:42:51,194 INFO  L85        PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times
[2024-11-24 00:42:51,202 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:42:51,203 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [442513748]
[2024-11-24 00:42:51,203 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:42:51,203 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
[2024-11-24 00:42:51,204 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:42:51,208 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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)
[2024-11-24 00:42:51,209 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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
[2024-11-24 00:42:51,267 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:42:51,269 INFO  L256         TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-24 00:42:51,272 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:42:51,385 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:42:51,385 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:42:51,386 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:42:51,386 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [442513748]
[2024-11-24 00:42:51,387 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [442513748] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:42:51,387 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:42:51,388 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 00:42:51,390 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306014863]
[2024-11-24 00:42:51,391 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:42:51,396 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:42:51,396 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:42:51,416 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:42:51,416 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:42:51,419 INFO  L87              Difference]: Start difference. First operand  has 55 states, 37 states have (on average 1.7297297297297298) internal successors, (64), 50 states have internal predecessors, (64), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand  has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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)
[2024-11-24 00:42:55,477 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:42:59,446 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.89s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:42:59,562 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:42:59,562 INFO  L93              Difference]: Finished difference Result 103 states and 135 transitions.
[2024-11-24 00:42:59,564 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-24 00:42:59,565 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4
[2024-11-24 00:42:59,565 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:42:59,573 INFO  L225             Difference]: With dead ends: 103
[2024-11-24 00:42:59,574 INFO  L226             Difference]: Without dead ends: 47
[2024-11-24 00:42:59,577 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:42:59,581 INFO  L435           NwaCegarLoop]: 40 mSDtfsCounter, 28 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time
[2024-11-24 00:42:59,583 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 58 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time]
[2024-11-24 00:42:59,603 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2024-11-24 00:42:59,624 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47.
[2024-11-24 00:42:59,625 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 47 states, 32 states have (on average 1.3125) internal successors, (42), 42 states have internal predecessors, (42), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-24 00:42:59,631 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions.
[2024-11-24 00:42:59,633 INFO  L78                 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 4
[2024-11-24 00:42:59,634 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:42:59,634 INFO  L471      AbstractCegarLoop]: Abstraction has 47 states and 48 transitions.
[2024-11-24 00:42:59,634 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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)
[2024-11-24 00:42:59,634 INFO  L276                IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions.
[2024-11-24 00:42:59,635 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-24 00:42:59,636 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 00:42:59,636 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:42:59,641 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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)] Ended with exit code 0
[2024-11-24 00:42:59,839 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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
[2024-11-24 00:42:59,840 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] ===
[2024-11-24 00:42:59,841 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:42:59,841 INFO  L85        PathProgramCache]: Analyzing trace with hash 1079818240, now seen corresponding path program 1 times
[2024-11-24 00:42:59,841 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:42:59,841 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1538709729]
[2024-11-24 00:42:59,841 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:42:59,842 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
[2024-11-24 00:42:59,842 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:42:59,845 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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)
[2024-11-24 00:42:59,847 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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
[2024-11-24 00:42:59,895 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:42:59,896 INFO  L256         TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-24 00:42:59,899 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:43:00,274 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:43:00,274 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:43:00,274 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:43:00,274 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1538709729]
[2024-11-24 00:43:00,274 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1538709729] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:43:00,274 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:43:00,274 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-24 00:43:00,274 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615990814]
[2024-11-24 00:43:00,274 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:43:00,276 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 00:43:00,276 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:43:00,277 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 00:43:00,278 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:43:00,278 INFO  L87              Difference]: Start difference. First operand 47 states and 48 transitions. Second operand  has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-24 00:43:04,919 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:43:09,211 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:43:12,180 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:43:13,784 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:43:13,785 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:43:13,785 INFO  L93              Difference]: Finished difference Result 47 states and 48 transitions.
[2024-11-24 00:43:13,795 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-24 00:43:13,796 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11
[2024-11-24 00:43:13,796 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:43:13,796 INFO  L225             Difference]: With dead ends: 47
[2024-11-24 00:43:13,797 INFO  L226             Difference]: Without dead ends: 45
[2024-11-24 00:43:13,797 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:43:13,798 INFO  L435           NwaCegarLoop]: 31 mSDtfsCounter, 24 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time
[2024-11-24 00:43:13,798 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 121 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 1 Unknown, 0 Unchecked, 13.5s Time]
[2024-11-24 00:43:13,800 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 45 states.
[2024-11-24 00:43:13,807 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45.
[2024-11-24 00:43:13,810 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 45 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 40 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-24 00:43:13,811 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions.
[2024-11-24 00:43:13,811 INFO  L78                 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 11
[2024-11-24 00:43:13,813 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:43:13,815 INFO  L471      AbstractCegarLoop]: Abstraction has 45 states and 46 transitions.
[2024-11-24 00:43:13,815 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-24 00:43:13,816 INFO  L276                IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions.
[2024-11-24 00:43:13,816 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-24 00:43:13,816 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 00:43:13,816 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:43:13,823 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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
[2024-11-24 00:43:14,017 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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
[2024-11-24 00:43:14,017 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] ===
[2024-11-24 00:43:14,018 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:43:14,018 INFO  L85        PathProgramCache]: Analyzing trace with hash -885368843, now seen corresponding path program 1 times
[2024-11-24 00:43:14,018 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:43:14,018 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [875197474]
[2024-11-24 00:43:14,018 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:43:14,018 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-24 00:43:14,019 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:43:14,020 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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)
[2024-11-24 00:43:14,022 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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
[2024-11-24 00:43:14,057 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:43:14,059 INFO  L256         TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-24 00:43:14,060 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:43:14,153 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:43:14,153 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:43:14,154 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:43:14,154 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [875197474]
[2024-11-24 00:43:14,154 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [875197474] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:43:14,154 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:43:14,154 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 00:43:14,154 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163896278]
[2024-11-24 00:43:14,154 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:43:14,154 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:43:14,154 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:43:14,155 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:43:14,155 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:43:14,155 INFO  L87              Difference]: Start difference. First operand 45 states and 46 transitions. Second operand  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-24 00:43:17,211 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:43:19,530 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:43:19,817 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:43:19,818 INFO  L93              Difference]: Finished difference Result 45 states and 46 transitions.
[2024-11-24 00:43:19,825 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-24 00:43:19,825 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12
[2024-11-24 00:43:19,825 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:43:19,826 INFO  L225             Difference]: With dead ends: 45
[2024-11-24 00:43:19,826 INFO  L226             Difference]: Without dead ends: 41
[2024-11-24 00:43:19,826 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:43:19,827 INFO  L435           NwaCegarLoop]: 28 mSDtfsCounter, 22 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time
[2024-11-24 00:43:19,828 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 40 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time]
[2024-11-24 00:43:19,829 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2024-11-24 00:43:19,833 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2024-11-24 00:43:19,834 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 41 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 36 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-24 00:43:19,835 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions.
[2024-11-24 00:43:19,835 INFO  L78                 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 12
[2024-11-24 00:43:19,835 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:43:19,836 INFO  L471      AbstractCegarLoop]: Abstraction has 41 states and 42 transitions.
[2024-11-24 00:43:19,836 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-24 00:43:19,836 INFO  L276                IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions.
[2024-11-24 00:43:19,837 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2024-11-24 00:43:19,837 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 00:43:19,837 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:43:19,840 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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)] Ended with exit code 0
[2024-11-24 00:43:20,038 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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
[2024-11-24 00:43:20,039 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] ===
[2024-11-24 00:43:20,039 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:43:20,039 INFO  L85        PathProgramCache]: Analyzing trace with hash 1435316947, now seen corresponding path program 1 times
[2024-11-24 00:43:20,039 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:43:20,039 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [632046307]
[2024-11-24 00:43:20,039 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:43:20,039 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
[2024-11-24 00:43:20,039 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:43:20,044 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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)
[2024-11-24 00:43:20,046 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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 (5)] Waiting until timeout for monitored process
[2024-11-24 00:43:20,109 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:43:20,111 INFO  L256         TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-24 00:43:20,113 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:43:20,502 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-24 00:43:20,502 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:43:20,502 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:43:20,502 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [632046307]
[2024-11-24 00:43:20,502 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [632046307] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:43:20,502 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:43:20,502 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-24 00:43:20,503 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632432445]
[2024-11-24 00:43:20,503 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:43:20,503 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 00:43:20,503 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:43:20,504 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 00:43:20,504 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:43:20,504 INFO  L87              Difference]: Start difference. First operand 41 states and 42 transitions. Second operand  has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-24 00:43:26,748 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:43:28,081 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:43:30,745 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:43:32,398 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:43:32,398 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:43:32,399 INFO  L93              Difference]: Finished difference Result 41 states and 42 transitions.
[2024-11-24 00:43:32,409 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-24 00:43:32,409 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19
[2024-11-24 00:43:32,410 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:43:32,411 INFO  L225             Difference]: With dead ends: 41
[2024-11-24 00:43:32,411 INFO  L226             Difference]: Without dead ends: 39
[2024-11-24 00:43:32,411 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:43:32,412 INFO  L435           NwaCegarLoop]: 20 mSDtfsCounter, 18 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time
[2024-11-24 00:43:32,412 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 63 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 1 Unknown, 0 Unchecked, 11.9s Time]
[2024-11-24 00:43:32,413 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 39 states.
[2024-11-24 00:43:32,418 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39.
[2024-11-24 00:43:32,419 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 39 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 34 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-24 00:43:32,419 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions.
[2024-11-24 00:43:32,420 INFO  L78                 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 19
[2024-11-24 00:43:32,420 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:43:32,420 INFO  L471      AbstractCegarLoop]: Abstraction has 39 states and 40 transitions.
[2024-11-24 00:43:32,420 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-24 00:43:32,420 INFO  L276                IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions.
[2024-11-24 00:43:32,423 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2024-11-24 00:43:32,423 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 00:43:32,424 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:43:32,428 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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 (5)] Ended with exit code 0
[2024-11-24 00:43:32,627 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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
[2024-11-24 00:43:32,627 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] ===
[2024-11-24 00:43:32,628 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:43:32,628 INFO  L85        PathProgramCache]: Analyzing trace with hash 1545156500, now seen corresponding path program 1 times
[2024-11-24 00:43:32,629 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:43:32,629 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1770160112]
[2024-11-24 00:43:32,629 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:43:32,629 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
[2024-11-24 00:43:32,630 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:43:32,632 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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)
[2024-11-24 00:43:32,635 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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 (6)] Waiting until timeout for monitored process
[2024-11-24 00:43:32,694 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:43:32,696 INFO  L256         TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-24 00:43:32,697 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:43:32,962 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-24 00:43:32,962 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:43:32,963 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:43:32,963 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1770160112]
[2024-11-24 00:43:32,963 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1770160112] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:43:32,963 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:43:32,963 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 00:43:32,963 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322150806]
[2024-11-24 00:43:32,963 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:43:32,964 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:43:32,964 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:43:32,964 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:43:32,964 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:43:32,964 INFO  L87              Difference]: Start difference. First operand 39 states and 40 transitions. Second operand  has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-24 00:43:36,168 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:43:38,831 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:43:40,714 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:43:41,152 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:43:41,152 INFO  L93              Difference]: Finished difference Result 39 states and 40 transitions.
[2024-11-24 00:43:41,157 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-24 00:43:41,157 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20
[2024-11-24 00:43:41,158 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:43:41,158 INFO  L225             Difference]: With dead ends: 39
[2024-11-24 00:43:41,158 INFO  L226             Difference]: Without dead ends: 35
[2024-11-24 00:43:41,159 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:43:41,160 INFO  L435           NwaCegarLoop]: 22 mSDtfsCounter, 10 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time
[2024-11-24 00:43:41,160 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 35 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time]
[2024-11-24 00:43:41,161 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 35 states.
[2024-11-24 00:43:41,165 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35.
[2024-11-24 00:43:41,165 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 35 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 30 states have internal predecessors, (30), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-24 00:43:41,166 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions.
[2024-11-24 00:43:41,166 INFO  L78                 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 20
[2024-11-24 00:43:41,167 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:43:41,167 INFO  L471      AbstractCegarLoop]: Abstraction has 35 states and 36 transitions.
[2024-11-24 00:43:41,167 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-24 00:43:41,167 INFO  L276                IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions.
[2024-11-24 00:43:41,168 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2024-11-24 00:43:41,168 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 00:43:41,168 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:43:41,174 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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 (6)] Ended with exit code 0
[2024-11-24 00:43:41,368 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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
[2024-11-24 00:43:41,369 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] ===
[2024-11-24 00:43:41,369 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:43:41,369 INFO  L85        PathProgramCache]: Analyzing trace with hash -1163156356, now seen corresponding path program 1 times
[2024-11-24 00:43:41,370 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:43:41,370 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1846095059]
[2024-11-24 00:43:41,370 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:43:41,370 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
[2024-11-24 00:43:41,370 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:43:41,372 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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)
[2024-11-24 00:43:41,373 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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 (7)] Waiting until timeout for monitored process
[2024-11-24 00:43:41,441 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:43:41,443 INFO  L256         TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-24 00:43:41,450 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:43:41,705 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-24 00:43:41,705 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:43:41,705 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:43:41,706 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1846095059]
[2024-11-24 00:43:41,706 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1846095059] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:43:41,706 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:43:41,706 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 00:43:41,706 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782150471]
[2024-11-24 00:43:41,706 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:43:41,707 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:43:41,707 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:43:41,707 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:43:41,708 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:43:41,708 INFO  L87              Difference]: Start difference. First operand 35 states and 36 transitions. Second operand  has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-24 00:43:43,819 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:43:46,033 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:43:47,737 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:43:50,170 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:43:50,171 INFO  L93              Difference]: Finished difference Result 35 states and 36 transitions.
[2024-11-24 00:43:50,181 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-24 00:43:50,181 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22
[2024-11-24 00:43:50,181 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:43:50,181 INFO  L225             Difference]: With dead ends: 35
[2024-11-24 00:43:50,181 INFO  L226             Difference]: Without dead ends: 33
[2024-11-24 00:43:50,182 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:43:50,182 INFO  L435           NwaCegarLoop]: 22 mSDtfsCounter, 6 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time
[2024-11-24 00:43:50,183 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 31 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time]
[2024-11-24 00:43:50,184 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 33 states.
[2024-11-24 00:43:50,188 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33.
[2024-11-24 00:43:50,188 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 33 states, 25 states have (on average 1.12) internal successors, (28), 28 states have internal predecessors, (28), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-24 00:43:50,189 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions.
[2024-11-24 00:43:50,189 INFO  L78                 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 22
[2024-11-24 00:43:50,189 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:43:50,189 INFO  L471      AbstractCegarLoop]: Abstraction has 33 states and 34 transitions.
[2024-11-24 00:43:50,189 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-24 00:43:50,190 INFO  L276                IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions.
[2024-11-24 00:43:50,190 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-11-24 00:43:50,190 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 00:43:50,190 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:43:50,194 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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 (7)] Ended with exit code 0
[2024-11-24 00:43:50,391 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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
[2024-11-24 00:43:50,391 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] ===
[2024-11-24 00:43:50,391 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:43:50,391 INFO  L85        PathProgramCache]: Analyzing trace with hash -1698104541, now seen corresponding path program 1 times
[2024-11-24 00:43:50,392 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:43:50,392 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [766920208]
[2024-11-24 00:43:50,392 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:43:50,392 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
[2024-11-24 00:43:50,392 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:43:50,394 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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)
[2024-11-24 00:43:50,398 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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 (8)] Waiting until timeout for monitored process
[2024-11-24 00:43:50,458 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:43:50,460 INFO  L256         TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-24 00:43:50,461 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:43:50,727 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-24 00:43:50,727 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:43:50,728 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:43:50,728 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [766920208]
[2024-11-24 00:43:50,728 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [766920208] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:43:50,728 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:43:50,728 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 00:43:50,728 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425610411]
[2024-11-24 00:43:50,728 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:43:50,729 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:43:50,729 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:43:50,729 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:43:50,729 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:43:50,730 INFO  L87              Difference]: Start difference. First operand 33 states and 34 transitions. Second operand  has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-24 00:43:53,660 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:43:56,257 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:43:57,151 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:43:57,152 INFO  L93              Difference]: Finished difference Result 33 states and 34 transitions.
[2024-11-24 00:43:57,162 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-24 00:43:57,162 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23
[2024-11-24 00:43:57,162 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:43:57,163 INFO  L225             Difference]: With dead ends: 33
[2024-11-24 00:43:57,163 INFO  L226             Difference]: Without dead ends: 31
[2024-11-24 00:43:57,163 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:43:57,164 INFO  L435           NwaCegarLoop]: 20 mSDtfsCounter, 6 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time
[2024-11-24 00:43:57,164 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 28 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time]
[2024-11-24 00:43:57,165 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 31 states.
[2024-11-24 00:43:57,169 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31.
[2024-11-24 00:43:57,171 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 31 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 26 states have internal predecessors, (26), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-24 00:43:57,172 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions.
[2024-11-24 00:43:57,176 INFO  L78                 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 23
[2024-11-24 00:43:57,176 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:43:57,176 INFO  L471      AbstractCegarLoop]: Abstraction has 31 states and 32 transitions.
[2024-11-24 00:43:57,176 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-24 00:43:57,176 INFO  L276                IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions.
[2024-11-24 00:43:57,177 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2024-11-24 00:43:57,177 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 00:43:57,177 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:43:57,184 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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 (8)] Ended with exit code 0
[2024-11-24 00:43:57,378 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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
[2024-11-24 00:43:57,378 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] ===
[2024-11-24 00:43:57,378 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:43:57,378 INFO  L85        PathProgramCache]: Analyzing trace with hash -2103462324, now seen corresponding path program 1 times
[2024-11-24 00:43:57,379 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:43:57,379 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1465901167]
[2024-11-24 00:43:57,379 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:43:57,379 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
[2024-11-24 00:43:57,379 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:43:57,381 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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)
[2024-11-24 00:43:57,383 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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 (9)] Waiting until timeout for monitored process
[2024-11-24 00:43:57,689 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:43:57,697 INFO  L256         TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-24 00:43:57,698 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:43:58,396 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-24 00:43:58,396 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:43:58,396 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:43:58,396 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1465901167]
[2024-11-24 00:43:58,396 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1465901167] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:43:58,397 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:43:58,397 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 00:43:58,397 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835405284]
[2024-11-24 00:43:58,397 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:43:58,397 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 00:43:58,397 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:43:58,398 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 00:43:58,398 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-24 00:43:58,398 INFO  L87              Difference]: Start difference. First operand 31 states and 32 transitions. Second operand  has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-24 00:44:01,197 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:44:02,560 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:44:02,560 INFO  L93              Difference]: Finished difference Result 31 states and 32 transitions.
[2024-11-24 00:44:02,569 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 00:44:02,570 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26
[2024-11-24 00:44:02,570 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:44:02,571 INFO  L225             Difference]: With dead ends: 31
[2024-11-24 00:44:02,571 INFO  L226             Difference]: Without dead ends: 29
[2024-11-24 00:44:02,571 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-24 00:44:02,571 INFO  L435           NwaCegarLoop]: 13 mSDtfsCounter, 9 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time
[2024-11-24 00:44:02,572 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 19 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time]
[2024-11-24 00:44:02,572 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 29 states.
[2024-11-24 00:44:02,576 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29.
[2024-11-24 00:44:02,576 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 29 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 24 states have internal predecessors, (24), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-24 00:44:02,576 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions.
[2024-11-24 00:44:02,577 INFO  L78                 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 26
[2024-11-24 00:44:02,578 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:44:02,578 INFO  L471      AbstractCegarLoop]: Abstraction has 29 states and 30 transitions.
[2024-11-24 00:44:02,578 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-24 00:44:02,578 INFO  L276                IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions.
[2024-11-24 00:44:02,579 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2024-11-24 00:44:02,579 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 00:44:02,579 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:44:02,586 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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 (9)] Ended with exit code 0
[2024-11-24 00:44:02,780 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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
[2024-11-24 00:44:02,780 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] ===
[2024-11-24 00:44:02,781 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:44:02,781 INFO  L85        PathProgramCache]: Analyzing trace with hash -782818445, now seen corresponding path program 1 times
[2024-11-24 00:44:02,781 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:44:02,781 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [156576164]
[2024-11-24 00:44:02,781 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:44:02,781 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
[2024-11-24 00:44:02,781 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:44:02,783 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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)
[2024-11-24 00:44:02,785 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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 (10)] Waiting until timeout for monitored process
[2024-11-24 00:44:03,086 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:44:03,096 INFO  L256         TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-24 00:44:03,098 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:44:03,595 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-24 00:44:03,595 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:44:03,595 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:44:03,595 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [156576164]
[2024-11-24 00:44:03,595 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [156576164] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:44:03,595 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:44:03,595 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 00:44:03,595 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724265691]
[2024-11-24 00:44:03,596 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:44:03,596 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 00:44:03,596 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:44:03,596 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 00:44:03,597 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-24 00:44:03,597 INFO  L87              Difference]: Start difference. First operand 29 states and 30 transitions. Second operand  has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-24 00:44:06,574 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:44:08,637 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:44:08,637 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:44:08,638 INFO  L93              Difference]: Finished difference Result 29 states and 30 transitions.
[2024-11-24 00:44:08,647 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 00:44:08,647 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27
[2024-11-24 00:44:08,647 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:44:08,647 INFO  L225             Difference]: With dead ends: 29
[2024-11-24 00:44:08,648 INFO  L226             Difference]: Without dead ends: 27
[2024-11-24 00:44:08,648 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-24 00:44:08,648 INFO  L435           NwaCegarLoop]: 14 mSDtfsCounter, 6 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time
[2024-11-24 00:44:08,649 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 19 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time]
[2024-11-24 00:44:08,649 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 27 states.
[2024-11-24 00:44:08,651 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27.
[2024-11-24 00:44:08,652 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 27 states, 22 states have (on average 1.0) internal successors, (22), 22 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-24 00:44:08,652 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions.
[2024-11-24 00:44:08,652 INFO  L78                 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 27
[2024-11-24 00:44:08,652 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:44:08,652 INFO  L471      AbstractCegarLoop]: Abstraction has 27 states and 28 transitions.
[2024-11-24 00:44:08,653 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-24 00:44:08,653 INFO  L276                IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions.
[2024-11-24 00:44:08,653 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2024-11-24 00:44:08,653 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 00:44:08,653 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:44:08,660 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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 (10)] Forceful destruction successful, exit code 0
[2024-11-24 00:44:08,854 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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
[2024-11-24 00:44:08,854 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] ===
[2024-11-24 00:44:08,855 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:44:08,855 INFO  L85        PathProgramCache]: Analyzing trace with hash -1859738407, now seen corresponding path program 1 times
[2024-11-24 00:44:08,855 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:44:08,855 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1711275183]
[2024-11-24 00:44:08,855 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:44:08,855 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
[2024-11-24 00:44:08,855 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:44:08,857 INFO  L229       MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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)
[2024-11-24 00:44:08,859 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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 (11)] Waiting until timeout for monitored process
[2024-11-24 00:44:09,242 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:44:09,252 INFO  L256         TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-24 00:44:09,254 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:44:12,728 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-11-24 00:44:12,728 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:44:12,728 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:44:12,728 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1711275183]
[2024-11-24 00:44:12,728 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1711275183] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:44:12,728 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:44:12,728 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 00:44:12,728 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643158206]
[2024-11-24 00:44:12,728 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:44:12,728 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 00:44:12,729 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:44:12,729 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 00:44:12,729 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:44:12,729 INFO  L87              Difference]: Start difference. First operand 27 states and 28 transitions. Second operand  has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)
[2024-11-24 00:44:18,300 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:44:18,628 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:44:18,629 INFO  L93              Difference]: Finished difference Result 27 states and 28 transitions.
[2024-11-24 00:44:18,629 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-24 00:44:18,629 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 34
[2024-11-24 00:44:18,630 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:44:18,630 INFO  L225             Difference]: With dead ends: 27
[2024-11-24 00:44:18,630 INFO  L226             Difference]: Without dead ends: 0
[2024-11-24 00:44:18,630 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:44:18,631 INFO  L435           NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time
[2024-11-24 00:44:18,632 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time]
[2024-11-24 00:44:18,632 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-24 00:44:18,632 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-24 00:44:18,632 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)
[2024-11-24 00:44:18,633 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-24 00:44:18,633 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34
[2024-11-24 00:44:18,633 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:44:18,633 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-24 00:44:18,633 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)
[2024-11-24 00:44:18,633 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-24 00:44:18,633 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-24 00:44:18,638 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 13 remaining)
[2024-11-24 00:44:18,639 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (11 of 13 remaining)
[2024-11-24 00:44:18,639 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (10 of 13 remaining)
[2024-11-24 00:44:18,639 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (9 of 13 remaining)
[2024-11-24 00:44:18,640 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (8 of 13 remaining)
[2024-11-24 00:44:18,640 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (7 of 13 remaining)
[2024-11-24 00:44:18,640 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (6 of 13 remaining)
[2024-11-24 00:44:18,640 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (5 of 13 remaining)
[2024-11-24 00:44:18,641 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (4 of 13 remaining)
[2024-11-24 00:44:18,641 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (3 of 13 remaining)
[2024-11-24 00:44:18,641 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (2 of 13 remaining)
[2024-11-24 00:44:18,641 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (1 of 13 remaining)
[2024-11-24 00:44:18,641 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (0 of 13 remaining)
[2024-11-24 00:44:18,652 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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 (11)] Ended with exit code 0
[2024-11-24 00:44:18,842 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/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
[2024-11-24 00:44:18,845 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:44:18,847 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-24 00:44:19,168 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 00:44:19,176 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:44:19 BoogieIcfgContainer
[2024-11-24 00:44:19,176 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 00:44:19,177 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 00:44:19,177 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-24 00:44:19,178 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-24 00:44:19,179 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:42:51" (3/4) ...
[2024-11-24 00:44:19,181 INFO  L146         WitnessPrinter]: Generating witness for correct program
[2024-11-24 00:44:19,188 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not
[2024-11-24 00:44:19,192 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-11-24 00:44:19,192 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-24 00:44:19,192 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-24 00:44:19,193 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-24 00:44:19,310 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-24 00:44:19,310 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-24 00:44:19,310 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 00:44:19,313 INFO  L158              Benchmark]: Toolchain (without parser) took 108041.87ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 87.4MB in the end (delta: 3.9MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB.
[2024-11-24 00:44:19,313 INFO  L158              Benchmark]: CDTParser took 0.57ms. Allocated memory is still 117.4MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:44:19,314 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 1251.62ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 45.2MB in the end (delta: 46.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
[2024-11-24 00:44:19,315 INFO  L158              Benchmark]: Boogie Procedure Inliner took 62.65ms. Allocated memory is still 117.4MB. Free memory was 45.2MB in the beginning and 89.6MB in the end (delta: -44.4MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB.
[2024-11-24 00:44:19,315 INFO  L158              Benchmark]: Boogie Preprocessor took 67.58ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 88.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:44:19,316 INFO  L158              Benchmark]: RCFGBuilder took 18414.78ms. Allocated memory is still 117.4MB. Free memory was 88.1MB in the beginning and 74.8MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-24 00:44:19,317 INFO  L158              Benchmark]: TraceAbstraction took 88103.13ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 33.7MB in the end (delta: 40.7MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB.
[2024-11-24 00:44:19,317 INFO  L158              Benchmark]: Witness Printer took 134.76ms. Allocated memory is still 117.4MB. Free memory was 33.7MB in the beginning and 87.4MB in the end (delta: -53.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 00:44:19,320 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.57ms. Allocated memory is still 117.4MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 1251.62ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 45.2MB in the end (delta: 46.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 62.65ms. Allocated memory is still 117.4MB. Free memory was 45.2MB in the beginning and 89.6MB in the end (delta: -44.4MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 67.58ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 88.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 18414.78ms. Allocated memory is still 117.4MB. Free memory was 88.1MB in the beginning and 74.8MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * TraceAbstraction took 88103.13ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 33.7MB in the end (delta: 40.7MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB.
 * Witness Printer took 134.76ms. Allocated memory is still 117.4MB. Free memory was 33.7MB in the beginning and 87.4MB in the end (delta: -53.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * 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: 384]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - PositiveResult [Line: 387]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - PositiveResult [Line: 388]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - PositiveResult [Line: 391]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - PositiveResult [Line: 392]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - PositiveResult [Line: 393]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - PositiveResult [Line: 394]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - PositiveResult [Line: 395]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - PositiveResult [Line: 396]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - PositiveResult [Line: 397]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - PositiveResult [Line: 398]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - PositiveResult [Line: 399]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - PositiveResult [Line: 402]: 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 2 procedures, 55 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 87.7s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 77.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 133 SdHoareTripleChecker+Valid, 77.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 129 mSDsluCounter, 444 SdHoareTripleChecker+Invalid, 76.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 222 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 370 IncrementalHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 222 mSDtfsCounter, 370 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 188 ConstructedInterpolants, 19 QuantifiedInterpolants, 1216 SizeOfPredicates, 22 NumberOfNonLiveVariables, 352 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 36/36 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
    13 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-24 00:44:19,399 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221b3712-6ab4-4aef-92a3-bbc3ab8c1508/bin/uautomizer-verify-LYvppIcaGC/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