./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softmax_11_safe.c-amalgamation.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_991b2320-f388-4e09-9f85-32ef639d4c79/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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_991b2320-f388-4e09-9f85-32ef639d4c79/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/softmax_11_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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_991b2320-f388-4e09-9f85-32ef639d4c79/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 06079ef6845cb4e1d4583c8af78d2f925187490fb0cd250b6d7743c55f841983
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 00:13:07,671 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-24 00:13:07,736 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-24 00:13:07,746 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 00:13:07,746 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 00:13:07,791 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 00:13:07,792 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 00:13:07,793 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 00:13:07,793 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 00:13:07,794 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-24 00:13:07,795 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 00:13:07,795 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 00:13:07,796 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 00:13:07,796 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-24 00:13:07,796 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-24 00:13:07,796 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 00:13:07,796 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-24 00:13:07,796 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-24 00:13:07,796 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-24 00:13:07,796 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-24 00:13:07,796 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-24 00:13:07,796 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 00:13:07,796 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 00:13:07,797 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 00:13:07,797 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-24 00:13:07,797 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-24 00:13:07,797 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 00:13:07,797 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-24 00:13:07,797 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 00:13:07,797 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-24 00:13:07,798 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:13:07,798 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-24 00:13:07,798 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:13:07,799 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 00:13:07,799 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-24 00:13:07,799 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:13:07,799 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-24 00:13:07,799 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:13:07,799 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 00:13:07,799 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 00:13:07,799 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-11-24 00:13:07,800 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 00:13:07,800 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-24 00:13:07,800 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 00:13:07,800 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 00:13:07,800 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 00:13:07,801 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 00:13:07,801 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 00:13:07,801 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_991b2320-f388-4e09-9f85-32ef639d4c79/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 -> 06079ef6845cb4e1d4583c8af78d2f925187490fb0cd250b6d7743c55f841983
[2024-11-24 00:13:08,121 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 00:13:08,135 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 00:13:08,138 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 00:13:08,140 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-24 00:13:08,141 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-24 00:13:08,143 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/neural-networks/softmax_11_safe.c-amalgamation.i
[2024-11-24 00:13:11,183 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/bin/uautomizer-verify-LYvppIcaGC/data/4b0f003d8/e8b0b0fcaec743c38e0f55fecad68a2c/FLAG3cd229900
[2024-11-24 00:13:11,629 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-24 00:13:11,632 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/sv-benchmarks/c/neural-networks/softmax_11_safe.c-amalgamation.i
[2024-11-24 00:13:11,664 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/bin/uautomizer-verify-LYvppIcaGC/data/4b0f003d8/e8b0b0fcaec743c38e0f55fecad68a2c/FLAG3cd229900
[2024-11-24 00:13:11,687 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/bin/uautomizer-verify-LYvppIcaGC/data/4b0f003d8/e8b0b0fcaec743c38e0f55fecad68a2c
[2024-11-24 00:13:11,691 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 00:13:11,694 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 00:13:11,695 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 00:13:11,695 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 00:13:11,700 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 00:13:11,701 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:13:11" (1/1) ...
[2024-11-24 00:13:11,704 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71618df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:11, skipping insertion in model container
[2024-11-24 00:13:11,705 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:13:11" (1/1) ...
[2024-11-24 00:13:11,762 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-24 00:13:12,572 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: isnan
	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.lambda$150(StandardFunctionHandler.java:621)
	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: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 00:13:12,584 INFO  L158              Benchmark]: Toolchain (without parser) took 889.30ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 102.0MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-24 00:13:12,584 INFO  L158              Benchmark]: CDTParser took 0.61ms. Allocated memory is still 142.6MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:13:12,585 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 886.60ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 102.0MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-24 00:13:12,586 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.61ms. Allocated memory is still 142.6MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 886.60ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 102.0MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. 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: isnan
    de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: 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_991b2320-f388-4e09-9f85-32ef639d4c79/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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_991b2320-f388-4e09-9f85-32ef639d4c79/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/softmax_11_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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_991b2320-f388-4e09-9f85-32ef639d4c79/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 06079ef6845cb4e1d4583c8af78d2f925187490fb0cd250b6d7743c55f841983
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 00:13:15,289 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-24 00:13:15,411 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-24 00:13:15,417 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 00:13:15,418 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 00:13:15,444 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 00:13:15,444 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 00:13:15,444 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 00:13:15,445 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 00:13:15,445 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-24 00:13:15,445 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 00:13:15,445 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 00:13:15,445 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 00:13:15,445 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-24 00:13:15,445 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-24 00:13:15,446 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 00:13:15,446 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-24 00:13:15,446 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-24 00:13:15,446 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-24 00:13:15,446 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-24 00:13:15,446 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 00:13:15,446 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 00:13:15,446 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 00:13:15,446 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-24 00:13:15,447 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-24 00:13:15,447 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-24 00:13:15,447 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-24 00:13:15,447 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-24 00:13:15,447 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 00:13:15,447 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-24 00:13:15,447 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 00:13:15,447 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-24 00:13:15,447 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:13:15,448 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-24 00:13:15,448 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:13:15,448 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 00:13:15,448 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-24 00:13:15,448 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:13:15,448 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-24 00:13:15,448 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:13:15,448 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 00:13:15,449 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 00:13:15,449 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-11-24 00:13:15,449 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 00:13:15,449 INFO  L153        SettingsManager]:  * Trace refinement strategy=FOX
[2024-11-24 00:13:15,449 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-24 00:13:15,449 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 00:13:15,449 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 00:13:15,449 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 00:13:15,449 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 00:13:15,450 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_991b2320-f388-4e09-9f85-32ef639d4c79/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 -> 06079ef6845cb4e1d4583c8af78d2f925187490fb0cd250b6d7743c55f841983
[2024-11-24 00:13:15,814 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 00:13:15,823 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 00:13:15,828 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 00:13:15,830 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-24 00:13:15,831 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-24 00:13:15,835 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/neural-networks/softmax_11_safe.c-amalgamation.i
[2024-11-24 00:13:18,839 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/bin/uautomizer-verify-LYvppIcaGC/data/ea79554e5/36106448e282447baa4b0ce6bc847f51/FLAGc913608e9
[2024-11-24 00:13:19,230 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-24 00:13:19,234 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/sv-benchmarks/c/neural-networks/softmax_11_safe.c-amalgamation.i
[2024-11-24 00:13:19,267 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/bin/uautomizer-verify-LYvppIcaGC/data/ea79554e5/36106448e282447baa4b0ce6bc847f51/FLAGc913608e9
[2024-11-24 00:13:19,293 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/bin/uautomizer-verify-LYvppIcaGC/data/ea79554e5/36106448e282447baa4b0ce6bc847f51
[2024-11-24 00:13:19,297 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 00:13:19,298 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 00:13:19,301 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 00:13:19,301 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 00:13:19,308 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 00:13:19,309 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:13:19" (1/1) ...
[2024-11-24 00:13:19,310 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5c7a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:19, skipping insertion in model container
[2024-11-24 00:13:19,310 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:13:19" (1/1) ...
[2024-11-24 00:13:19,373 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-24 00:13:20,390 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_991b2320-f388-4e09-9f85-32ef639d4c79/sv-benchmarks/c/neural-networks/softmax_11_safe.c-amalgamation.i[63382,63395]
[2024-11-24 00:13:20,395 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:13:20,420 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-24 00:13:20,523 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_991b2320-f388-4e09-9f85-32ef639d4c79/sv-benchmarks/c/neural-networks/softmax_11_safe.c-amalgamation.i[63382,63395]
[2024-11-24 00:13:20,524 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:13:20,698 INFO  L204         MainTranslator]: Completed translation
[2024-11-24 00:13:20,699 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:20 WrapperNode
[2024-11-24 00:13:20,699 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 00:13:20,700 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 00:13:20,700 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 00:13:20,700 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 00:13:20,707 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:20" (1/1) ...
[2024-11-24 00:13:20,735 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:20" (1/1) ...
[2024-11-24 00:13:20,757 INFO  L138                Inliner]: procedures = 562, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96
[2024-11-24 00:13:20,758 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 00:13:20,761 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 00:13:20,761 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 00:13:20,762 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 00:13:20,771 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:20" (1/1) ...
[2024-11-24 00:13:20,772 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:20" (1/1) ...
[2024-11-24 00:13:20,776 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:20" (1/1) ...
[2024-11-24 00:13:20,800 INFO  L175           MemorySlicer]: Split 24 memory accesses to 4 slices as follows [2, 7, 10, 5]. 42 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7, 0, 0]. The 6 writes are split as follows [0, 0, 4, 2].
[2024-11-24 00:13:20,800 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:20" (1/1) ...
[2024-11-24 00:13:20,801 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:20" (1/1) ...
[2024-11-24 00:13:20,810 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:20" (1/1) ...
[2024-11-24 00:13:20,811 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:20" (1/1) ...
[2024-11-24 00:13:20,815 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:20" (1/1) ...
[2024-11-24 00:13:20,821 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:20" (1/1) ...
[2024-11-24 00:13:20,822 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:20" (1/1) ...
[2024-11-24 00:13:20,826 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 00:13:20,827 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 00:13:20,827 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 00:13:20,827 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-24 00:13:20,828 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:20" (1/1) ...
[2024-11-24 00:13:20,834 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:13:20,848 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:13:20,864 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 00:13:20,867 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 00:13:20,893 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0
[2024-11-24 00:13:20,893 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1
[2024-11-24 00:13:20,894 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2
[2024-11-24 00:13:20,894 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3
[2024-11-24 00:13:20,894 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-24 00:13:20,894 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-24 00:13:20,894 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-24 00:13:20,894 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-11-24 00:13:20,894 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3
[2024-11-24 00:13:20,894 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 00:13:20,894 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 00:13:20,894 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 00:13:20,894 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0
[2024-11-24 00:13:20,894 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1
[2024-11-24 00:13:20,895 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2
[2024-11-24 00:13:20,895 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3
[2024-11-24 00:13:20,895 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-24 00:13:21,019 INFO  L234             CfgBuilder]: Building ICFG
[2024-11-24 00:13:21,021 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 00:13:21,841 INFO  L?                        ?]: Removed 15 outVars from TransFormulas that were not future-live.
[2024-11-24 00:13:21,842 INFO  L283             CfgBuilder]: Performing block encoding
[2024-11-24 00:13:21,851 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 00:13:21,852 INFO  L312             CfgBuilder]: Removed 3 assume(true) statements.
[2024-11-24 00:13:21,852 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:13:21 BoogieIcfgContainer
[2024-11-24 00:13:21,852 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 00:13:21,855 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 00:13:21,855 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 00:13:21,861 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-24 00:13:21,861 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:13:19" (1/3) ...
[2024-11-24 00:13:21,862 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@538f12e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:13:21, skipping insertion in model container
[2024-11-24 00:13:21,862 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:13:20" (2/3) ...
[2024-11-24 00:13:21,862 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@538f12e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:13:21, skipping insertion in model container
[2024-11-24 00:13:21,862 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:13:21" (3/3) ...
[2024-11-24 00:13:21,864 INFO  L128   eAbstractionObserver]: Analyzing ICFG softmax_11_safe.c-amalgamation.i
[2024-11-24 00:13:21,880 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 00:13:21,882 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG softmax_11_safe.c-amalgamation.i that has 1 procedures, 22 locations, 1 initial locations, 3 loop locations, and 1 error locations.
[2024-11-24 00:13:21,933 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 00:13:21,945 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;@4c3258d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 00:13:21,946 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-24 00:13:21,949 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 22 states, 20 states have (on average 1.5) internal successors, (30), 21 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:13:21,954 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-24 00:13:21,955 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 00:13:21,955 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:13:21,956 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:13:21,960 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:13:21,960 INFO  L85        PathProgramCache]: Analyzing trace with hash 1886333825, now seen corresponding path program 1 times
[2024-11-24 00:13:21,974 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:13:21,975 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [520168559]
[2024-11-24 00:13:21,975 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:13:21,975 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 00:13:21,976 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:13:21,979 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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 00:13:21,981 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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 00:13:22,185 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:13:22,189 INFO  L256         TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-24 00:13:22,192 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:13:22,208 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 00:13:22,208 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:13:22,209 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:13:22,209 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [520168559]
[2024-11-24 00:13:22,209 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [520168559] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:13:22,209 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:13:22,210 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 00:13:22,211 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771951603]
[2024-11-24 00:13:22,212 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:13:22,216 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-24 00:13:22,217 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:13:22,235 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-24 00:13:22,236 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 00:13:22,237 INFO  L87              Difference]: Start difference. First operand  has 22 states, 20 states have (on average 1.5) internal successors, (30), 21 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:13:22,246 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:13:22,246 INFO  L93              Difference]: Finished difference Result 41 states and 56 transitions.
[2024-11-24 00:13:22,247 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-24 00:13:22,248 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12
[2024-11-24 00:13:22,248 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:13:22,254 INFO  L225             Difference]: With dead ends: 41
[2024-11-24 00:13:22,254 INFO  L226             Difference]: Without dead ends: 18
[2024-11-24 00:13:22,256 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 00:13:22,284 INFO  L435           NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 00:13:22,284 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 00:13:22,294 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2024-11-24 00:13:22,303 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18.
[2024-11-24 00:13:22,304 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 18 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 17 states have internal predecessors, (21), 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 00:13:22,308 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions.
[2024-11-24 00:13:22,309 INFO  L78                 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 12
[2024-11-24 00:13:22,310 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:13:22,310 INFO  L471      AbstractCegarLoop]: Abstraction has 18 states and 21 transitions.
[2024-11-24 00:13:22,310 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:13:22,310 INFO  L276                IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions.
[2024-11-24 00:13:22,311 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-24 00:13:22,311 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 00:13:22,311 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:13:22,317 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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 00:13:22,511 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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 00:13:22,512 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:13:22,513 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:13:22,513 INFO  L85        PathProgramCache]: Analyzing trace with hash 1493306815, now seen corresponding path program 1 times
[2024-11-24 00:13:22,514 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:13:22,514 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [321156987]
[2024-11-24 00:13:22,514 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:13:22,514 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 00:13:22,514 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:13:22,516 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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 00:13:22,518 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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 00:13:22,694 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:13:22,701 INFO  L256         TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-24 00:13:22,703 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:13:22,796 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 00:13:22,798 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:13:22,798 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:13:22,798 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [321156987]
[2024-11-24 00:13:22,798 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [321156987] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:13:22,799 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:13:22,799 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 00:13:22,799 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498155829]
[2024-11-24 00:13:22,799 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:13:22,800 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 00:13:22,801 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:13:22,802 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 00:13:22,802 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 00:13:22,802 INFO  L87              Difference]: Start difference. First operand 18 states and 21 transitions. Second operand  has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:13:23,401 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:13:23,402 INFO  L93              Difference]: Finished difference Result 32 states and 38 transitions.
[2024-11-24 00:13:23,403 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-24 00:13:23,403 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12
[2024-11-24 00:13:23,403 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:13:23,403 INFO  L225             Difference]: With dead ends: 32
[2024-11-24 00:13:23,404 INFO  L226             Difference]: Without dead ends: 22
[2024-11-24 00:13:23,404 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 00:13:23,405 INFO  L435           NwaCegarLoop]: 17 mSDtfsCounter, 4 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-24 00:13:23,405 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 23 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-24 00:13:23,409 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2024-11-24 00:13:23,413 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 19.
[2024-11-24 00:13:23,414 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 19 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:13:23,415 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions.
[2024-11-24 00:13:23,416 INFO  L78                 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 12
[2024-11-24 00:13:23,416 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:13:23,416 INFO  L471      AbstractCegarLoop]: Abstraction has 19 states and 22 transitions.
[2024-11-24 00:13:23,417 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:13:23,417 INFO  L276                IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions.
[2024-11-24 00:13:23,418 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2024-11-24 00:13:23,418 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 00:13:23,418 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:13:23,425 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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 00:13:23,619 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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 00:13:23,619 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:13:23,619 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:13:23,620 INFO  L85        PathProgramCache]: Analyzing trace with hash 2113734375, now seen corresponding path program 1 times
[2024-11-24 00:13:23,620 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:13:23,620 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [507052466]
[2024-11-24 00:13:23,620 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:13:23,620 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 00:13:23,620 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:13:23,627 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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 00:13:23,628 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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 00:13:23,810 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:13:23,817 INFO  L256         TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-24 00:13:23,819 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:13:23,959 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:13:23,960 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 00:13:24,062 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:13:24,062 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:13:24,063 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [507052466]
[2024-11-24 00:13:24,063 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [507052466] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 00:13:24,063 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-24 00:13:24,063 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6
[2024-11-24 00:13:24,063 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458023104]
[2024-11-24 00:13:24,063 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-24 00:13:24,064 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 00:13:24,064 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:13:24,064 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 00:13:24,064 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:13:24,065 INFO  L87              Difference]: Start difference. First operand 19 states and 22 transitions. Second operand  has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:13:25,352 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-24 00:13:26,600 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:13:26,600 INFO  L93              Difference]: Finished difference Result 37 states and 45 transitions.
[2024-11-24 00:13:26,601 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-24 00:13:26,601 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16
[2024-11-24 00:13:26,601 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:13:26,601 INFO  L225             Difference]: With dead ends: 37
[2024-11-24 00:13:26,601 INFO  L226             Difference]: Without dead ends: 27
[2024-11-24 00:13:26,602 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:13:26,603 INFO  L435           NwaCegarLoop]: 16 mSDtfsCounter, 14 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2024-11-24 00:13:26,603 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 34 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2024-11-24 00:13:26,604 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 27 states.
[2024-11-24 00:13:26,607 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27.
[2024-11-24 00:13:26,607 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 27 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 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 00:13:26,608 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions.
[2024-11-24 00:13:26,608 INFO  L78                 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 16
[2024-11-24 00:13:26,608 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:13:26,609 INFO  L471      AbstractCegarLoop]: Abstraction has 27 states and 32 transitions.
[2024-11-24 00:13:26,609 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:13:26,609 INFO  L276                IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions.
[2024-11-24 00:13:26,609 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2024-11-24 00:13:26,609 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 00:13:26,610 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:13:26,616 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2024-11-24 00:13:26,810 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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 00:13:26,810 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:13:26,811 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:13:26,811 INFO  L85        PathProgramCache]: Analyzing trace with hash -1834320585, now seen corresponding path program 2 times
[2024-11-24 00:13:26,811 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:13:26,811 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [256902973]
[2024-11-24 00:13:26,812 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-24 00:13:26,812 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 00:13:26,812 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:13:26,815 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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 00:13:26,816 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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 00:13:26,969 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-24 00:13:26,969 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-24 00:13:26,974 INFO  L256         TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-24 00:13:26,976 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:13:27,116 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-11-24 00:13:27,117 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:13:27,117 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:13:27,117 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [256902973]
[2024-11-24 00:13:27,117 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [256902973] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:13:27,117 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:13:27,117 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 00:13:27,117 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253194580]
[2024-11-24 00:13:27,117 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:13:27,118 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 00:13:27,118 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:13:27,121 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 00:13:27,121 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-24 00:13:27,121 INFO  L87              Difference]: Start difference. First operand 27 states and 32 transitions. Second operand  has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 00:13:28,333 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:13:28,333 INFO  L93              Difference]: Finished difference Result 38 states and 45 transitions.
[2024-11-24 00:13:28,334 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-24 00:13:28,334 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 24
[2024-11-24 00:13:28,334 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:13:28,335 INFO  L225             Difference]: With dead ends: 38
[2024-11-24 00:13:28,335 INFO  L226             Difference]: Without dead ends: 31
[2024-11-24 00:13:28,335 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 21 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 00:13:28,336 INFO  L435           NwaCegarLoop]: 13 mSDtfsCounter, 10 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-24 00:13:28,337 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 24 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-24 00:13:28,338 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 31 states.
[2024-11-24 00:13:28,342 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29.
[2024-11-24 00:13:28,342 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 29 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 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 00:13:28,343 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions.
[2024-11-24 00:13:28,343 INFO  L78                 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 24
[2024-11-24 00:13:28,343 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:13:28,343 INFO  L471      AbstractCegarLoop]: Abstraction has 29 states and 34 transitions.
[2024-11-24 00:13:28,344 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 00:13:28,344 INFO  L276                IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions.
[2024-11-24 00:13:28,344 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2024-11-24 00:13:28,344 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 00:13:28,345 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:13:28,351 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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 00:13:28,545 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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 00:13:28,545 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:13:28,546 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:13:28,546 INFO  L85        PathProgramCache]: Analyzing trace with hash 847328127, now seen corresponding path program 1 times
[2024-11-24 00:13:28,546 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:13:28,546 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [529928064]
[2024-11-24 00:13:28,546 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:13:28,547 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 00:13:28,547 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:13:28,548 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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 00:13:28,549 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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 00:13:28,910 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:13:28,920 INFO  L256         TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-24 00:13:28,922 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:13:29,135 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2024-11-24 00:13:29,135 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 00:13:29,321 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2024-11-24 00:13:29,321 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:13:29,321 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [529928064]
[2024-11-24 00:13:29,321 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [529928064] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 00:13:29,321 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-24 00:13:29,322 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8
[2024-11-24 00:13:29,322 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674057144]
[2024-11-24 00:13:29,322 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-24 00:13:29,322 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-24 00:13:29,323 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:13:29,323 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-24 00:13:29,323 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-11-24 00:13:29,324 INFO  L87              Difference]: Start difference. First operand 29 states and 34 transitions. Second operand  has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:13:30,905 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-24 00:13:33,620 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-24 00:13:34,409 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:13:34,410 INFO  L93              Difference]: Finished difference Result 49 states and 60 transitions.
[2024-11-24 00:13:34,410 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-24 00:13:34,411 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28
[2024-11-24 00:13:34,411 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:13:34,411 INFO  L225             Difference]: With dead ends: 49
[2024-11-24 00:13:34,412 INFO  L226             Difference]: Without dead ends: 41
[2024-11-24 00:13:34,412 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90
[2024-11-24 00:13:34,413 INFO  L435           NwaCegarLoop]: 10 mSDtfsCounter, 56 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time
[2024-11-24 00:13:34,414 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 33 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time]
[2024-11-24 00:13:34,414 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2024-11-24 00:13:34,423 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2024-11-24 00:13:34,426 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 41 states, 40 states have (on average 1.15) internal successors, (46), 40 states have internal predecessors, (46), 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 00:13:34,427 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions.
[2024-11-24 00:13:34,429 INFO  L78                 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 28
[2024-11-24 00:13:34,430 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:13:34,430 INFO  L471      AbstractCegarLoop]: Abstraction has 41 states and 46 transitions.
[2024-11-24 00:13:34,430 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:13:34,430 INFO  L276                IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions.
[2024-11-24 00:13:34,431 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2024-11-24 00:13:34,434 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-24 00:13:34,434 INFO  L218           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:13:34,447 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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 00:13:34,635 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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 00:13:34,635 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:13:34,636 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:13:34,636 INFO  L85        PathProgramCache]: Analyzing trace with hash -317530537, now seen corresponding path program 2 times
[2024-11-24 00:13:34,636 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:13:34,636 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1486187665]
[2024-11-24 00:13:34,636 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-24 00:13:34,636 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 00:13:34,636 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:13:34,638 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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 00:13:34,641 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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 00:13:36,376 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-24 00:13:36,377 INFO  L230   tOrderPrioritization]: Conjunction of SSA is sat
[2024-11-24 00:13:36,377 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 00:13:37,770 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:13:37,897 INFO  L130   FreeRefinementEngine]: Strategy FOX found a feasible trace
[2024-11-24 00:13:37,898 INFO  L340         BasicCegarLoop]: Counterexample is feasible
[2024-11-24 00:13:37,899 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-24 00:13:37,939 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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 00:13:38,106 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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 00:13:38,110 INFO  L422         BasicCegarLoop]: Path program histogram: [2, 2, 1, 1]
[2024-11-24 00:13:38,183 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 00:13:38,189 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:13:38 BoogieIcfgContainer
[2024-11-24 00:13:38,189 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 00:13:38,190 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 00:13:38,190 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-24 00:13:38,190 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-24 00:13:38,191 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:13:21" (3/4) ...
[2024-11-24 00:13:38,193 INFO  L149         WitnessPrinter]: No result that supports witness generation found
[2024-11-24 00:13:38,194 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 00:13:38,195 INFO  L158              Benchmark]: Toolchain (without parser) took 18896.51ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 40.0MB in the end (delta: 50.5MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB.
[2024-11-24 00:13:38,196 INFO  L158              Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:13:38,196 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 1398.31ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 83.4MB in the end (delta: 6.7MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB.
[2024-11-24 00:13:38,196 INFO  L158              Benchmark]: Boogie Procedure Inliner took 58.13ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 80.1MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 00:13:38,197 INFO  L158              Benchmark]: Boogie Preprocessor took 65.68ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:13:38,197 INFO  L158              Benchmark]: RCFGBuilder took 1025.59ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 64.0MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-24 00:13:38,197 INFO  L158              Benchmark]: TraceAbstraction took 16334.03ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 40.0MB in the end (delta: 24.0MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB.
[2024-11-24 00:13:38,197 INFO  L158              Benchmark]: Witness Printer took 4.41ms. Allocated memory is still 117.4MB. Free memory was 40.0MB in the beginning and 40.0MB in the end (delta: 9.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:13:38,201 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 1398.31ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 83.4MB in the end (delta: 6.7MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 58.13ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 80.1MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 65.68ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 1025.59ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 64.0MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * TraceAbstraction took 16334.03ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 40.0MB in the end (delta: 24.0MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB.
 * Witness Printer took 4.41ms. Allocated memory is still 117.4MB. Free memory was 40.0MB in the beginning and 40.0MB in the end (delta: 9.9kB). There was no memory consumed. 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
  - UnprovableResult [Line: 870]: Unable to prove that a call to reach_error is unreachable
    Unable to prove that a call to reach_error is unreachable
 Reason: overapproximation of expf at line 854, overapproximation of __builtin_isinf_sign at line 868. 
Possible FailurePath: 
[L863]              float x[4], y[4];
[L864]              x[0] = __VERIFIER_nondet_float()
[L865]  EXPR        x[0]
[L865]              x[1] = x[0] + 1e-5f
[L866]              x[2] = 0.123456f
[L867]              x[3] = 0.654321f
[L868]  EXPR        x[0]
[L868]  COND FALSE  !(!(!__builtin_isnan (x[0]) && !__builtin_isinf_sign (x[0])))
[L869]  CALL        softmax(x, y, 4)
[L847]              int i;
[L848]  EXPR        x[0]
[L848]              float max = x[0];
[L849]              i = 1
        VAL         [i=1, max=0.00023112499911803752, n=4, x={-2147483648:0}, y={3:0}]
[L849]  COND TRUE   i < n
        VAL         [i=1, max=0.00023112499911803752, n=4, x={-2147483648:0}, y={3:0}]
[L850]  EXPR        x[i]
[L850]  COND TRUE   x[i] > max
[L851]  EXPR        x[i]
[L851]              max = x[i]
        VAL         [i=1, max=0.00024112500250339508, n=4, x={-2147483648:0}, y={3:0}]
[L849]              ++i
        VAL         [i=2, max=0.00024112500250339508, n=4, x={-2147483648:0}, y={3:0}]
[L849]  COND TRUE   i < n
        VAL         [i=2, max=0.00024112500250339508, n=4, x={-2147483648:0}, y={3:0}]
[L850]  EXPR        x[i]
[L850]  COND TRUE   x[i] > max
[L851]  EXPR        x[i]
[L851]              max = x[i]
        VAL         [i=2, max=0.12345600128173828, n=4, x={-2147483648:0}, y={3:0}]
[L849]              ++i
        VAL         [i=3, max=0.12345600128173828, n=4, x={-2147483648:0}, y={3:0}]
[L849]  COND TRUE   i < n
        VAL         [i=3, max=0.12345600128173828, n=4, x={-2147483648:0}, y={3:0}]
[L850]  EXPR        x[i]
[L850]  COND TRUE   x[i] > max
[L851]  EXPR        x[i]
[L851]              max = x[i]
        VAL         [i=3, max=0.654321014881134, n=4, x={-2147483648:0}, y={3:0}]
[L849]              ++i
        VAL         [i=4, max=0.654321014881134, n=4, x={-2147483648:0}, y={3:0}]
[L849]  COND FALSE  !(i < n)
        VAL         [max=0.654321014881134, n=4, x={-2147483648:0}, y={3:0}]
[L852]              float sum = 0.0f;
[L853]              i = 0
        VAL         [i=0, max=0.654321014881134, n=4, sum=0.0, x={-2147483648:0}, y={3:0}]
[L853]  COND TRUE   i < n
        VAL         [i=0, max=0.654321014881134, n=4, sum=0.0, x={-2147483648:0}, y={3:0}]
[L854]  EXPR        x[i]
[L854]              float z = expf(x[i] - max);
[L855]              sum += z
[L856]              y[i] = z
[L853]              ++i
        VAL         [i=1, max=0.654321014881134, n=4, sum=0.0, x={-2147483648:0}, y={3:0}]
[L853]  COND TRUE   i < n
        VAL         [i=1, max=0.654321014881134, n=4, sum=0.0, x={-2147483648:0}, y={3:0}]
[L854]  EXPR        x[i]
[L854]              float z = expf(x[i] - max);
[L855]              sum += z
[L856]              y[i] = z
[L853]              ++i
        VAL         [i=2, max=0.654321014881134, n=4, sum=0.0, x={-2147483648:0}, y={3:0}]
[L853]  COND TRUE   i < n
        VAL         [i=2, max=0.654321014881134, n=4, sum=0.0, x={-2147483648:0}, y={3:0}]
[L854]  EXPR        x[i]
[L854]              float z = expf(x[i] - max);
[L855]              sum += z
[L856]              y[i] = z
[L853]              ++i
        VAL         [i=3, max=0.654321014881134, n=4, sum=0.0, x={-2147483648:0}, y={3:0}]
[L853]  COND TRUE   i < n
        VAL         [i=3, max=0.654321014881134, n=4, sum=0.0, x={-2147483648:0}, y={3:0}]
[L854]  EXPR        x[i]
[L854]              float z = expf(x[i] - max);
[L855]              sum += z
[L856]              y[i] = z
[L853]              ++i
        VAL         [i=4, max=0.654321014881134, n=4, sum=0.0, x={-2147483648:0}, y={3:0}]
[L853]  COND FALSE  !(i < n)
        VAL         [max=0.654321014881134, n=4, sum=0.0, x={-2147483648:0}, y={3:0}]
[L858]              i = 0
        VAL         [i=0, max=0.654321014881134, n=4, sum=0.0, x={-2147483648:0}, y={3:0}]
[L858]  COND TRUE   i < n
        VAL         [i=0, max=0.654321014881134, n=4, sum=0.0, x={-2147483648:0}, y={3:0}]
[L859]  EXPR        y[i]
[L859]              y[i] /= sum
[L858]              ++i
        VAL         [i=1, max=0.654321014881134, n=4, sum=0.0, x={-2147483648:0}, y={3:0}]
[L858]  COND TRUE   i < n
        VAL         [i=1, max=0.654321014881134, n=4, sum=0.0, x={-2147483648:0}, y={3:0}]
[L859]  EXPR        y[i]
[L859]              y[i] /= sum
[L858]              ++i
        VAL         [i=2, max=0.654321014881134, n=4, sum=0.0, x={-2147483648:0}, y={3:0}]
[L858]  COND TRUE   i < n
        VAL         [i=2, max=0.654321014881134, n=4, sum=0.0, x={-2147483648:0}, y={3:0}]
[L859]  EXPR        y[i]
[L859]              y[i] /= sum
[L858]              ++i
        VAL         [i=3, max=0.654321014881134, n=4, sum=0.0, x={-2147483648:0}, y={3:0}]
[L858]  COND TRUE   i < n
        VAL         [i=3, max=0.654321014881134, n=4, sum=0.0, x={-2147483648:0}, y={3:0}]
[L859]  EXPR        y[i]
[L859]              y[i] /= sum
[L858]              ++i
        VAL         [i=4, max=0.654321014881134, n=4, sum=0.0, x={-2147483648:0}, y={3:0}]
[L858]  COND FALSE  !(i < n)
        VAL         [max=0.654321014881134, sum=0.0, x={-2147483648:0}, y={3:0}]
[L869]  RET         softmax(x, y, 4)
[L870]  EXPR        y[0]
[L870]  EXPR        y[1]
[L870]  COND TRUE   !(__builtin_islessequal(y[0], y[1]))
[L870]              reach_error()

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.2s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 84 SdHoareTripleChecker+Valid, 9.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 139 SdHoareTripleChecker+Invalid, 9.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 154 IncrementalHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 81 mSDtfsCounter, 154 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=5, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 132 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 129 ConstructedInterpolants, 0 QuantifiedInterpolants, 301 SizeOfPredicates, 0 NumberOfNonLiveVariables, 402 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 47/51 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
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-24 00:13:38,242 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991b2320-f388-4e09-9f85-32ef639d4c79/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:
UNKNOWN: Overapproximated counterexample