./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c3d8fd51b47ba78ffa0ce38d0a5a9796d128a31f69295c1dd841ff5db63ed4f4
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 11:34:44,679 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 11:34:44,738 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 11:34:44,743 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 11:34:44,743 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 11:34:44,765 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 11:34:44,766 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 11:34:44,766 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 11:34:44,766 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 11:34:44,766 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 11:34:44,766 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 11:34:44,766 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 11:34:44,767 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 11:34:44,767 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 11:34:44,767 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 11:34:44,767 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 11:34:44,767 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-02 11:34:44,767 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-12-02 11:34:44,767 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 11:34:44,767 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-12-02 11:34:44,768 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 11:34:44,768 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 11:34:44,768 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 11:34:44,768 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 11:34:44,768 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-12-02 11:34:44,768 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 11:34:44,768 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 11:34:44,768 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 11:34:44,768 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 11:34:44,768 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 11:34:44,768 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:34:44,768 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 11:34:44,769 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:34:44,769 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 11:34:44,769 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 11:34:44,769 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:34:44,769 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 11:34:44,769 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:34:44,769 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 11:34:44,769 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 11:34:44,769 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-02 11:34:44,769 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 11:34:44,769 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-02 11:34:44,770 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 11:34:44,770 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 11:34:44,770 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 11:34:44,770 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 11:34:44,770 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 11:34:44,770 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_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3d8fd51b47ba78ffa0ce38d0a5a9796d128a31f69295c1dd841ff5db63ed4f4
[2024-12-02 11:34:44,994 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 11:34:45,002 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 11:34:45,005 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 11:34:45,006 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 11:34:45,006 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 11:34:45,007 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i
[2024-12-02 11:34:47,672 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/data/1b01635a4/f05ad8b6c732449b8c207dc900ff1db0/FLAG3e196d049
[2024-12-02 11:34:47,894 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 11:34:47,894 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i
[2024-12-02 11:34:47,906 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/data/1b01635a4/f05ad8b6c732449b8c207dc900ff1db0/FLAG3e196d049
[2024-12-02 11:34:47,919 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/data/1b01635a4/f05ad8b6c732449b8c207dc900ff1db0
[2024-12-02 11:34:47,921 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 11:34:47,922 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 11:34:47,922 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 11:34:47,922 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 11:34:47,925 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 11:34:47,926 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:34:47" (1/1) ...
[2024-12-02 11:34:47,927 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53e5df13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:47, skipping insertion in model container
[2024-12-02 11:34:47,927 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:34:47" (1/1) ...
[2024-12-02 11:34:47,953 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 11:34:48,336 FATAL L?                        ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception:
java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1602)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1211)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:280)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2556)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:782)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2556)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:180)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:667)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:542)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1607)
	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:1507)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224)
	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$Toolchain.processToolchain(ToolchainManager.java:319)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
[2024-12-02 11:34:48,342 INFO  L158              Benchmark]: Toolchain (without parser) took 419.03ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 102.6MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 11:34:48,342 INFO  L158              Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:34:48,343 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 417.66ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 102.6MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 11:34:48,344 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 417.66ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 102.6MB in the end (delta: 12.7MB). 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: fpclassify
    de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis

### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c3d8fd51b47ba78ffa0ce38d0a5a9796d128a31f69295c1dd841ff5db63ed4f4
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 11:34:50,085 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 11:34:50,164 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-12-02 11:34:50,170 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 11:34:50,171 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 11:34:50,192 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 11:34:50,193 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 11:34:50,193 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 11:34:50,193 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 11:34:50,193 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 11:34:50,193 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 11:34:50,193 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 11:34:50,194 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 11:34:50,194 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 11:34:50,194 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 11:34:50,194 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 11:34:50,194 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-02 11:34:50,194 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-12-02 11:34:50,194 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-12-02 11:34:50,194 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 11:34:50,195 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 11:34:50,195 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 11:34:50,195 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 11:34:50,195 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-12-02 11:34:50,195 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-12-02 11:34:50,195 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-12-02 11:34:50,195 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-12-02 11:34:50,195 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 11:34:50,195 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 11:34:50,195 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 11:34:50,196 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 11:34:50,196 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 11:34:50,196 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:34:50,196 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 11:34:50,196 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:34:50,196 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 11:34:50,196 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 11:34:50,196 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:34:50,196 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 11:34:50,197 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:34:50,197 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 11:34:50,197 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 11:34:50,197 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-02 11:34:50,197 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 11:34:50,197 INFO  L153        SettingsManager]:  * Trace refinement strategy=FOX
[2024-12-02 11:34:50,197 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-12-02 11:34:50,197 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 11:34:50,197 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 11:34:50,197 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 11:34:50,198 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 11:34:50,198 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_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3d8fd51b47ba78ffa0ce38d0a5a9796d128a31f69295c1dd841ff5db63ed4f4
[2024-12-02 11:34:50,421 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 11:34:50,429 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 11:34:50,431 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 11:34:50,432 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 11:34:50,432 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 11:34:50,434 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i
[2024-12-02 11:34:53,107 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/data/af0ef4ba8/40b2e7afb97c4d32b0ce44bc338a40a8/FLAG975abb3c9
[2024-12-02 11:34:53,322 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 11:34:53,323 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i
[2024-12-02 11:34:53,334 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/data/af0ef4ba8/40b2e7afb97c4d32b0ce44bc338a40a8/FLAG975abb3c9
[2024-12-02 11:34:53,346 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/data/af0ef4ba8/40b2e7afb97c4d32b0ce44bc338a40a8
[2024-12-02 11:34:53,348 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 11:34:53,349 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 11:34:53,350 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 11:34:53,351 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 11:34:53,354 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 11:34:53,354 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:34:53" (1/1) ...
[2024-12-02 11:34:53,355 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@522a9bfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:53, skipping insertion in model container
[2024-12-02 11:34:53,355 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:34:53" (1/1) ...
[2024-12-02 11:34:53,383 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 11:34:53,734 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_22da45a0-31ab-4fe0-8228-69f75b412254/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41149,41162]
[2024-12-02 11:34:53,736 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_22da45a0-31ab-4fe0-8228-69f75b412254/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41296,41309]
[2024-12-02 11:34:53,738 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_22da45a0-31ab-4fe0-8228-69f75b412254/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41445,41458]
[2024-12-02 11:34:53,741 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_22da45a0-31ab-4fe0-8228-69f75b412254/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41846,41859]
[2024-12-02 11:34:53,742 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_22da45a0-31ab-4fe0-8228-69f75b412254/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41993,42006]
[2024-12-02 11:34:53,745 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_22da45a0-31ab-4fe0-8228-69f75b412254/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42394,42407]
[2024-12-02 11:34:53,747 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_22da45a0-31ab-4fe0-8228-69f75b412254/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42541,42554]
[2024-12-02 11:34:53,747 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_22da45a0-31ab-4fe0-8228-69f75b412254/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42582,42595]
[2024-12-02 11:34:53,750 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_22da45a0-31ab-4fe0-8228-69f75b412254/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42965,42978]
[2024-12-02 11:34:53,751 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_22da45a0-31ab-4fe0-8228-69f75b412254/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[43112,43125]
[2024-12-02 11:34:53,754 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_22da45a0-31ab-4fe0-8228-69f75b412254/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[43610,43623]
[2024-12-02 11:34:53,755 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 11:34:53,765 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 11:34:53,797 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_22da45a0-31ab-4fe0-8228-69f75b412254/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41149,41162]
[2024-12-02 11:34:53,798 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_22da45a0-31ab-4fe0-8228-69f75b412254/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41296,41309]
[2024-12-02 11:34:53,799 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_22da45a0-31ab-4fe0-8228-69f75b412254/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41445,41458]
[2024-12-02 11:34:53,801 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_22da45a0-31ab-4fe0-8228-69f75b412254/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41846,41859]
[2024-12-02 11:34:53,802 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_22da45a0-31ab-4fe0-8228-69f75b412254/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41993,42006]
[2024-12-02 11:34:53,805 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_22da45a0-31ab-4fe0-8228-69f75b412254/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42394,42407]
[2024-12-02 11:34:53,806 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_22da45a0-31ab-4fe0-8228-69f75b412254/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42541,42554]
[2024-12-02 11:34:53,806 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_22da45a0-31ab-4fe0-8228-69f75b412254/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42582,42595]
[2024-12-02 11:34:53,808 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_22da45a0-31ab-4fe0-8228-69f75b412254/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42965,42978]
[2024-12-02 11:34:53,809 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_22da45a0-31ab-4fe0-8228-69f75b412254/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[43112,43125]
[2024-12-02 11:34:53,812 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_22da45a0-31ab-4fe0-8228-69f75b412254/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[43610,43623]
[2024-12-02 11:34:53,813 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 11:34:53,893 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 11:34:53,893 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:53 WrapperNode
[2024-12-02 11:34:53,893 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 11:34:53,894 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 11:34:53,894 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 11:34:53,894 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 11:34:53,898 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:53" (1/1) ...
[2024-12-02 11:34:53,912 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:53" (1/1) ...
[2024-12-02 11:34:53,930 INFO  L138                Inliner]: procedures = 449, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 82
[2024-12-02 11:34:53,930 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 11:34:53,931 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 11:34:53,931 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 11:34:53,931 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 11:34:53,937 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:53" (1/1) ...
[2024-12-02 11:34:53,937 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:53" (1/1) ...
[2024-12-02 11:34:53,939 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:53" (1/1) ...
[2024-12-02 11:34:53,949 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 11:34:53,949 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:53" (1/1) ...
[2024-12-02 11:34:53,949 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:53" (1/1) ...
[2024-12-02 11:34:53,956 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:53" (1/1) ...
[2024-12-02 11:34:53,957 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:53" (1/1) ...
[2024-12-02 11:34:53,958 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:53" (1/1) ...
[2024-12-02 11:34:53,960 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:53" (1/1) ...
[2024-12-02 11:34:53,961 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:53" (1/1) ...
[2024-12-02 11:34:53,963 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 11:34:53,964 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 11:34:53,964 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 11:34:53,964 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 11:34:53,965 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:53" (1/1) ...
[2024-12-02 11:34:53,970 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:34:53,979 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:34:53,989 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 11:34:53,997 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 11:34:54,012 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-12-02 11:34:54,012 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 11:34:54,012 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 11:34:54,012 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 11:34:54,012 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-12-02 11:34:54,012 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-12-02 11:34:54,080 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 11:34:54,081 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 11:34:54,210 INFO  L?                        ?]: Removed 18 outVars from TransFormulas that were not future-live.
[2024-12-02 11:34:54,210 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 11:34:54,219 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 11:34:54,219 INFO  L312             CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 11:34:54,219 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:34:54 BoogieIcfgContainer
[2024-12-02 11:34:54,219 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 11:34:54,226 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 11:34:54,226 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 11:34:54,231 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-02 11:34:54,231 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:34:53" (1/3) ...
[2024-12-02 11:34:54,231 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1455c398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:34:54, skipping insertion in model container
[2024-12-02 11:34:54,232 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:34:53" (2/3) ...
[2024-12-02 11:34:54,232 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1455c398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:34:54, skipping insertion in model container
[2024-12-02 11:34:54,232 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:34:54" (3/3) ...
[2024-12-02 11:34:54,233 INFO  L128   eAbstractionObserver]: Analyzing ICFG float-no-simp4.i
[2024-12-02 11:34:54,248 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 11:34:54,249 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG float-no-simp4.i that has 2 procedures, 51 locations, 1 initial locations, 0 loop locations, and 11 error locations.
[2024-12-02 11:34:54,296 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 11:34:54,306 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;@7c4b75ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 11:34:54,306 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 11 error locations.
[2024-12-02 11:34:54,310 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 51 states, 33 states have (on average 1.696969696969697) internal successors, (56), 44 states have internal predecessors, (56), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-12-02 11:34:54,315 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-12-02 11:34:54,315 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:34:54,316 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:34:54,316 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] ===
[2024-12-02 11:34:54,320 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:34:54,321 INFO  L85        PathProgramCache]: Analyzing trace with hash 855794161, now seen corresponding path program 1 times
[2024-12-02 11:34:54,329 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 11:34:54,329 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [388310666]
[2024-12-02 11:34:54,330 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:34:54,330 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 11:34:54,330 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 11:34:54,332 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-12-02 11:34:54,333 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-12-02 11:34:54,379 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:34:54,380 INFO  L256         TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-12-02 11:34:54,383 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:34:54,397 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:34:54,397 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 11:34:54,397 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 11:34:54,397 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [388310666]
[2024-12-02 11:34:54,397 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [388310666] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:34:54,398 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:34:54,398 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 11:34:54,399 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622406512]
[2024-12-02 11:34:54,399 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:34:54,401 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 11:34:54,401 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 11:34:54,414 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 11:34:54,414 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 11:34:54,416 INFO  L87              Difference]: Start difference. First operand  has 51 states, 33 states have (on average 1.696969696969697) internal successors, (56), 44 states have internal predecessors, (56), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand  has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 11:34:54,430 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:34:54,430 INFO  L93              Difference]: Finished difference Result 99 states and 133 transitions.
[2024-12-02 11:34:54,431 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-12-02 11:34:54,432 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9
[2024-12-02 11:34:54,432 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:34:54,436 INFO  L225             Difference]: With dead ends: 99
[2024-12-02 11:34:54,436 INFO  L226             Difference]: Without dead ends: 48
[2024-12-02 11:34:54,438 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 11:34:54,441 INFO  L435           NwaCegarLoop]: 54 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, 54 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:34:54,441 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:34:54,454 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 48 states.
[2024-12-02 11:34:54,467 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48.
[2024-12-02 11:34:54,469 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 48 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 41 states have internal predecessors, (41), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-12-02 11:34:54,472 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 51 transitions.
[2024-12-02 11:34:54,474 INFO  L78                 Accepts]: Start accepts. Automaton has 48 states and 51 transitions. Word has length 9
[2024-12-02 11:34:54,474 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:34:54,474 INFO  L471      AbstractCegarLoop]: Abstraction has 48 states and 51 transitions.
[2024-12-02 11:34:54,474 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 11:34:54,475 INFO  L276                IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions.
[2024-12-02 11:34:54,475 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-12-02 11:34:54,475 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:34:54,475 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:34:54,479 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-12-02 11:34:54,676 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 11:34:54,676 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] ===
[2024-12-02 11:34:54,677 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:34:54,677 INFO  L85        PathProgramCache]: Analyzing trace with hash 857641203, now seen corresponding path program 1 times
[2024-12-02 11:34:54,677 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 11:34:54,677 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [557920345]
[2024-12-02 11:34:54,677 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:34:54,677 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 11:34:54,677 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 11:34:54,679 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-12-02 11:34:54,680 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-12-02 11:34:54,710 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:34:54,710 INFO  L256         TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-02 11:34:54,712 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:34:54,846 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:34:54,846 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 11:34:54,847 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 11:34:54,847 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [557920345]
[2024-12-02 11:34:54,847 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [557920345] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:34:54,847 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:34:54,847 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 11:34:54,847 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344026868]
[2024-12-02 11:34:54,847 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:34:54,848 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 11:34:54,848 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 11:34:54,849 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 11:34:54,849 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:34:54,849 INFO  L87              Difference]: Start difference. First operand 48 states and 51 transitions. Second operand  has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 11:34:54,930 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:34:54,930 INFO  L93              Difference]: Finished difference Result 48 states and 51 transitions.
[2024-12-02 11:34:54,931 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 11:34:54,931 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9
[2024-12-02 11:34:54,931 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:34:54,932 INFO  L225             Difference]: With dead ends: 48
[2024-12-02 11:34:54,932 INFO  L226             Difference]: Without dead ends: 42
[2024-12-02 11:34:54,932 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:34:54,933 INFO  L435           NwaCegarLoop]: 36 mSDtfsCounter, 2 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 11:34:54,933 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 130 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 11:34:54,934 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42 states.
[2024-12-02 11:34:54,937 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42.
[2024-12-02 11:34:54,937 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 42 states, 28 states have (on average 1.25) internal successors, (35), 35 states have internal predecessors, (35), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-12-02 11:34:54,938 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 45 transitions.
[2024-12-02 11:34:54,938 INFO  L78                 Accepts]: Start accepts. Automaton has 42 states and 45 transitions. Word has length 9
[2024-12-02 11:34:54,939 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:34:54,939 INFO  L471      AbstractCegarLoop]: Abstraction has 42 states and 45 transitions.
[2024-12-02 11:34:54,939 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 11:34:54,939 INFO  L276                IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions.
[2024-12-02 11:34:54,940 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-12-02 11:34:54,940 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:34:54,940 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:34:54,942 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2024-12-02 11:34:55,140 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 11:34:55,141 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] ===
[2024-12-02 11:34:55,141 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:34:55,141 INFO  L85        PathProgramCache]: Analyzing trace with hash -1222120034, now seen corresponding path program 1 times
[2024-12-02 11:34:55,141 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 11:34:55,141 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [909547507]
[2024-12-02 11:34:55,141 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:34:55,141 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 11:34:55,142 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 11:34:55,143 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-12-02 11:34:55,144 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2024-12-02 11:34:55,183 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:34:55,184 INFO  L256         TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-02 11:34:55,186 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:34:55,220 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 11:34:55,220 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 11:34:55,220 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 11:34:55,220 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [909547507]
[2024-12-02 11:34:55,220 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [909547507] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:34:55,220 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:34:55,220 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 11:34:55,220 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751604791]
[2024-12-02 11:34:55,220 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:34:55,221 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 11:34:55,221 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 11:34:55,221 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 11:34:55,221 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:34:55,221 INFO  L87              Difference]: Start difference. First operand 42 states and 45 transitions. Second operand  has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 11:34:55,290 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:34:55,290 INFO  L93              Difference]: Finished difference Result 42 states and 45 transitions.
[2024-12-02 11:34:55,290 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 11:34:55,291 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18
[2024-12-02 11:34:55,291 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:34:55,291 INFO  L225             Difference]: With dead ends: 42
[2024-12-02 11:34:55,292 INFO  L226             Difference]: Without dead ends: 38
[2024-12-02 11:34:55,292 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:34:55,293 INFO  L435           NwaCegarLoop]: 33 mSDtfsCounter, 1 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 11:34:55,293 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 117 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 11:34:55,294 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38 states.
[2024-12-02 11:34:55,298 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38.
[2024-12-02 11:34:55,298 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 38 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 31 states have internal predecessors, (31), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-12-02 11:34:55,298 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions.
[2024-12-02 11:34:55,299 INFO  L78                 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 18
[2024-12-02 11:34:55,299 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:34:55,299 INFO  L471      AbstractCegarLoop]: Abstraction has 38 states and 41 transitions.
[2024-12-02 11:34:55,299 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 11:34:55,299 INFO  L276                IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions.
[2024-12-02 11:34:55,300 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2024-12-02 11:34:55,300 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:34:55,300 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:34:55,302 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2024-12-02 11:34:55,500 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 11:34:55,500 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] ===
[2024-12-02 11:34:55,501 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:34:55,501 INFO  L85        PathProgramCache]: Analyzing trace with hash -1704996651, now seen corresponding path program 1 times
[2024-12-02 11:34:55,501 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 11:34:55,501 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1907061922]
[2024-12-02 11:34:55,501 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:34:55,501 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 11:34:55,502 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 11:34:55,503 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-12-02 11:34:55,504 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2024-12-02 11:34:55,540 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:34:55,541 INFO  L256         TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-02 11:34:55,542 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:34:55,577 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 11:34:55,577 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 11:34:55,578 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 11:34:55,578 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1907061922]
[2024-12-02 11:34:55,578 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1907061922] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:34:55,578 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:34:55,578 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 11:34:55,578 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844150199]
[2024-12-02 11:34:55,578 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:34:55,578 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 11:34:55,578 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 11:34:55,579 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 11:34:55,579 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:34:55,579 INFO  L87              Difference]: Start difference. First operand 38 states and 41 transitions. Second operand  has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 11:34:55,643 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:34:55,643 INFO  L93              Difference]: Finished difference Result 38 states and 41 transitions.
[2024-12-02 11:34:55,644 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 11:34:55,644 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26
[2024-12-02 11:34:55,644 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:34:55,645 INFO  L225             Difference]: With dead ends: 38
[2024-12-02 11:34:55,645 INFO  L226             Difference]: Without dead ends: 32
[2024-12-02 11:34:55,645 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:34:55,646 INFO  L435           NwaCegarLoop]: 26 mSDtfsCounter, 2 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 11:34:55,646 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 89 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 11:34:55,646 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 32 states.
[2024-12-02 11:34:55,649 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32.
[2024-12-02 11:34:55,649 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 32 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 25 states have internal predecessors, (25), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-12-02 11:34:55,650 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions.
[2024-12-02 11:34:55,650 INFO  L78                 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 26
[2024-12-02 11:34:55,651 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:34:55,651 INFO  L471      AbstractCegarLoop]: Abstraction has 32 states and 35 transitions.
[2024-12-02 11:34:55,651 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 11:34:55,651 INFO  L276                IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions.
[2024-12-02 11:34:55,651 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2024-12-02 11:34:55,652 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:34:55,652 INFO  L218           NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:34:55,654 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0
[2024-12-02 11:34:55,852 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 11:34:55,852 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] ===
[2024-12-02 11:34:55,853 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:34:55,853 INFO  L85        PathProgramCache]: Analyzing trace with hash -826066940, now seen corresponding path program 1 times
[2024-12-02 11:34:55,853 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 11:34:55,853 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1416120485]
[2024-12-02 11:34:55,853 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:34:55,853 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 11:34:55,853 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 11:34:55,855 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-12-02 11:34:55,855 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2024-12-02 11:34:55,895 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:34:55,896 INFO  L256         TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-02 11:34:55,897 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:34:55,937 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-12-02 11:34:55,937 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 11:34:55,937 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 11:34:55,937 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1416120485]
[2024-12-02 11:34:55,938 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1416120485] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:34:55,938 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:34:55,938 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 11:34:55,938 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711118708]
[2024-12-02 11:34:55,938 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:34:55,938 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 11:34:55,938 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 11:34:55,939 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 11:34:55,939 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:34:55,939 INFO  L87              Difference]: Start difference. First operand 32 states and 35 transitions. Second operand  has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4)
[2024-12-02 11:34:55,994 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:34:55,994 INFO  L93              Difference]: Finished difference Result 32 states and 35 transitions.
[2024-12-02 11:34:55,995 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 11:34:55,995 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35
[2024-12-02 11:34:55,995 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:34:55,996 INFO  L225             Difference]: With dead ends: 32
[2024-12-02 11:34:55,996 INFO  L226             Difference]: Without dead ends: 28
[2024-12-02 11:34:55,996 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:34:55,997 INFO  L435           NwaCegarLoop]: 23 mSDtfsCounter, 1 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:34:55,997 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 77 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:34:55,997 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 28 states.
[2024-12-02 11:34:56,000 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28.
[2024-12-02 11:34:56,000 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 28 states, 21 states have (on average 1.0) internal successors, (21), 21 states have internal predecessors, (21), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-12-02 11:34:56,001 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions.
[2024-12-02 11:34:56,001 INFO  L78                 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 35
[2024-12-02 11:34:56,001 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:34:56,001 INFO  L471      AbstractCegarLoop]: Abstraction has 28 states and 31 transitions.
[2024-12-02 11:34:56,001 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4)
[2024-12-02 11:34:56,001 INFO  L276                IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions.
[2024-12-02 11:34:56,002 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2024-12-02 11:34:56,002 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:34:56,002 INFO  L218           NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:34:56,004 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0
[2024-12-02 11:34:56,203 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 11:34:56,203 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] ===
[2024-12-02 11:34:56,203 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:34:56,203 INFO  L85        PathProgramCache]: Analyzing trace with hash 1889668375, now seen corresponding path program 1 times
[2024-12-02 11:34:56,204 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 11:34:56,204 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1870965368]
[2024-12-02 11:34:56,204 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:34:56,204 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 11:34:56,204 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 11:34:56,205 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-12-02 11:34:56,206 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process
[2024-12-02 11:34:56,246 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:34:56,248 INFO  L256         TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-02 11:34:56,250 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:34:56,290 INFO  L134       CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2024-12-02 11:34:56,290 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 11:34:56,290 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 11:34:56,290 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1870965368]
[2024-12-02 11:34:56,290 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1870965368] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:34:56,290 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:34:56,290 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 11:34:56,290 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072344126]
[2024-12-02 11:34:56,290 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:34:56,291 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 11:34:56,291 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 11:34:56,291 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 11:34:56,291 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:34:56,292 INFO  L87              Difference]: Start difference. First operand 28 states and 31 transitions. Second operand  has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5)
[2024-12-02 11:34:56,365 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:34:56,365 INFO  L93              Difference]: Finished difference Result 28 states and 31 transitions.
[2024-12-02 11:34:56,366 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 11:34:56,366 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 43
[2024-12-02 11:34:56,366 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:34:56,367 INFO  L225             Difference]: With dead ends: 28
[2024-12-02 11:34:56,367 INFO  L226             Difference]: Without dead ends: 0
[2024-12-02 11:34:56,367 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:34:56,368 INFO  L435           NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 11:34:56,368 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 11:34:56,368 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 11:34:56,369 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 11:34:56,369 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:34:56,369 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 11:34:56,369 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43
[2024-12-02 11:34:56,369 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:34:56,369 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 11:34:56,369 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5)
[2024-12-02 11:34:56,369 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 11:34:56,369 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 11:34:56,371 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 11 remaining)
[2024-12-02 11:34:56,372 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (9 of 11 remaining)
[2024-12-02 11:34:56,372 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (8 of 11 remaining)
[2024-12-02 11:34:56,372 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (7 of 11 remaining)
[2024-12-02 11:34:56,372 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (6 of 11 remaining)
[2024-12-02 11:34:56,372 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (5 of 11 remaining)
[2024-12-02 11:34:56,372 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (4 of 11 remaining)
[2024-12-02 11:34:56,372 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (3 of 11 remaining)
[2024-12-02 11:34:56,372 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (2 of 11 remaining)
[2024-12-02 11:34:56,372 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (1 of 11 remaining)
[2024-12-02 11:34:56,372 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (0 of 11 remaining)
[2024-12-02 11:34:56,375 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0
[2024-12-02 11:34:56,573 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 11:34:56,575 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2024-12-02 11:34:56,577 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 11:34:56,590 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 11:34:56,594 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:34:56 BoogieIcfgContainer
[2024-12-02 11:34:56,594 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 11:34:56,594 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 11:34:56,594 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-12-02 11:34:56,594 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-12-02 11:34:56,595 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:34:54" (3/4) ...
[2024-12-02 11:34:56,596 INFO  L146         WitnessPrinter]: Generating witness for correct program
[2024-12-02 11:34:56,600 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not
[2024-12-02 11:34:56,603 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-12-02 11:34:56,603 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-02 11:34:56,603 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 11:34:56,604 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 11:34:56,659 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 11:34:56,659 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 11:34:56,659 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 11:34:56,660 INFO  L158              Benchmark]: Toolchain (without parser) took 3310.57ms. Allocated memory is still 92.3MB. Free memory was 68.3MB in the beginning and 33.4MB in the end (delta: 34.9MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB.
[2024-12-02 11:34:56,660 INFO  L158              Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:34:56,661 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 543.26ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 51.1MB in the end (delta: 17.1MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB.
[2024-12-02 11:34:56,661 INFO  L158              Benchmark]: Boogie Procedure Inliner took 36.31ms. Allocated memory is still 92.3MB. Free memory was 50.7MB in the beginning and 48.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:34:56,661 INFO  L158              Benchmark]: Boogie Preprocessor took 32.71ms. Allocated memory is still 92.3MB. Free memory was 48.5MB in the beginning and 46.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:34:56,661 INFO  L158              Benchmark]: RCFGBuilder took 255.44ms. Allocated memory is still 92.3MB. Free memory was 46.8MB in the beginning and 34.7MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 11:34:56,662 INFO  L158              Benchmark]: TraceAbstraction took 2367.78ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 38.8MB in the end (delta: 29.2MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB.
[2024-12-02 11:34:56,662 INFO  L158              Benchmark]: Witness Printer took 65.11ms. Allocated memory is still 92.3MB. Free memory was 38.8MB in the beginning and 33.4MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:34:56,663 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 543.26ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 51.1MB in the end (delta: 17.1MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 36.31ms. Allocated memory is still 92.3MB. Free memory was 50.7MB in the beginning and 48.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 32.71ms. Allocated memory is still 92.3MB. Free memory was 48.5MB in the beginning and 46.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 255.44ms. Allocated memory is still 92.3MB. Free memory was 46.8MB in the beginning and 34.7MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * TraceAbstraction took 2367.78ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 38.8MB in the end (delta: 29.2MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB.
 * Witness Printer took 65.11ms. Allocated memory is still 92.3MB. Free memory was 38.8MB in the beginning and 33.4MB in the end (delta: 5.4MB). 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
  - PositiveResult [Line: 973]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - PositiveResult [Line: 974]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - PositiveResult [Line: 975]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - PositiveResult [Line: 981]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - PositiveResult [Line: 982]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - PositiveResult [Line: 988]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - PositiveResult [Line: 989]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - PositiveResult [Line: 990]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - PositiveResult [Line: 997]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - PositiveResult [Line: 998]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - PositiveResult [Line: 1004]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 2 procedures, 51 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 544 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 349 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 208 IncrementalHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 195 mSDtfsCounter, 208 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 27, 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 134 ConstructedInterpolants, 0 QuantifiedInterpolants, 189 SizeOfPredicates, 2 NumberOfNonLiveVariables, 232 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 80/80 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    11 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-12-02 11:34:56,677 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22da45a0-31ab-4fe0-8228-69f75b412254/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

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