./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/sqrt_1_safe.c-amalgamation.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_60735e08-7c7b-4618-b429-76e5c7aeb58d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/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_60735e08-7c7b-4618-b429-76e5c7aeb58d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/sqrt_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/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_60735e08-7c7b-4618-b429-76e5c7aeb58d/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 b10e0b3c17671fc7f38a0c3aecd0bbf3c73c4f95dfe9060df46a665d1d1f3f8a
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 13:06:06,899 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 13:06:06,953 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 13:06:06,957 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 13:06:06,957 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 13:06:06,977 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 13:06:06,978 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 13:06:06,978 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 13:06:06,978 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 13:06:06,978 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 13:06:06,978 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 13:06:06,979 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 13:06:06,979 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 13:06:06,979 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 13:06:06,979 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 13:06:06,979 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 13:06:06,979 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-02 13:06:06,980 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-12-02 13:06:06,980 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 13:06:06,980 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-12-02 13:06:06,980 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 13:06:06,980 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 13:06:06,980 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 13:06:06,980 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 13:06:06,980 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-12-02 13:06:06,980 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 13:06:06,980 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 13:06:06,980 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 13:06:06,981 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 13:06:06,981 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 13:06:06,981 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:06:06,981 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 13:06:06,981 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:06:06,981 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 13:06:06,981 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 13:06:06,981 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:06:06,981 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 13:06:06,981 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:06:06,982 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 13:06:06,982 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 13:06:06,982 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-02 13:06:06,982 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 13:06:06,982 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-02 13:06:06,982 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 13:06:06,982 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 13:06:06,982 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 13:06:06,982 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 13:06:06,983 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 13:06:06,983 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_60735e08-7c7b-4618-b429-76e5c7aeb58d/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 -> b10e0b3c17671fc7f38a0c3aecd0bbf3c73c4f95dfe9060df46a665d1d1f3f8a
[2024-12-02 13:06:07,191 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 13:06:07,198 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 13:06:07,201 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 13:06:07,202 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 13:06:07,202 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 13:06:07,203 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/neural-networks/sqrt_1_safe.c-amalgamation.i
[2024-12-02 13:06:09,867 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/bin/uautomizer-verify-84ZbGMXZE1/data/482475df3/688952cf6a264852890616a9e646799d/FLAG72712e6a5
[2024-12-02 13:06:10,142 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 13:06:10,143 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/sv-benchmarks/c/neural-networks/sqrt_1_safe.c-amalgamation.i
[2024-12-02 13:06:10,158 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/bin/uautomizer-verify-84ZbGMXZE1/data/482475df3/688952cf6a264852890616a9e646799d/FLAG72712e6a5
[2024-12-02 13:06:10,424 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/bin/uautomizer-verify-84ZbGMXZE1/data/482475df3/688952cf6a264852890616a9e646799d
[2024-12-02 13:06:10,425 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 13:06:10,426 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 13:06:10,427 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 13:06:10,427 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 13:06:10,431 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 13:06:10,432 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:06:10" (1/1) ...
[2024-12-02 13:06:10,433 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a828d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:06:10, skipping insertion in model container
[2024-12-02 13:06:10,433 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:06:10" (1/1) ...
[2024-12-02 13:06:10,460 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 13:06:10,933 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: sqrt
	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:1494)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:253)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3184)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:3028)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2273)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:144)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1228)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:215)
	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$Toolchain.processToolchain(ToolchainManager.java:319)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
[2024-12-02 13:06:10,938 INFO  L158              Benchmark]: Toolchain (without parser) took 511.04ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 101.4MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 13:06:10,938 INFO  L158              Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:06:10,938 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 509.41ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 101.4MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 13:06:10,939 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 509.41ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 101.4MB in the end (delta: 14.7MB). 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: sqrt
    de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: 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_60735e08-7c7b-4618-b429-76e5c7aeb58d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/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_60735e08-7c7b-4618-b429-76e5c7aeb58d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/sqrt_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/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_60735e08-7c7b-4618-b429-76e5c7aeb58d/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 b10e0b3c17671fc7f38a0c3aecd0bbf3c73c4f95dfe9060df46a665d1d1f3f8a
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 13:06:12,708 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 13:06:12,796 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-12-02 13:06:12,802 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 13:06:12,803 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 13:06:12,825 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 13:06:12,825 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 13:06:12,826 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 13:06:12,826 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 13:06:12,826 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 13:06:12,826 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 13:06:12,826 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 13:06:12,827 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 13:06:12,827 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 13:06:12,827 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 13:06:12,827 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 13:06:12,827 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-02 13:06:12,827 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-12-02 13:06:12,827 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-12-02 13:06:12,827 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 13:06:12,827 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 13:06:12,828 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 13:06:12,828 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 13:06:12,828 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-12-02 13:06:12,828 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-12-02 13:06:12,828 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-12-02 13:06:12,828 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-12-02 13:06:12,828 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 13:06:12,828 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 13:06:12,828 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 13:06:12,828 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 13:06:12,828 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 13:06:12,829 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:06:12,829 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 13:06:12,829 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:06:12,829 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 13:06:12,829 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 13:06:12,829 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:06:12,829 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 13:06:12,829 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:06:12,829 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 13:06:12,829 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 13:06:12,830 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-02 13:06:12,830 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 13:06:12,830 INFO  L153        SettingsManager]:  * Trace refinement strategy=FOX
[2024-12-02 13:06:12,830 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-12-02 13:06:12,830 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 13:06:12,830 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 13:06:12,830 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 13:06:12,830 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 13:06:12,830 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_60735e08-7c7b-4618-b429-76e5c7aeb58d/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 -> b10e0b3c17671fc7f38a0c3aecd0bbf3c73c4f95dfe9060df46a665d1d1f3f8a
[2024-12-02 13:06:13,072 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 13:06:13,081 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 13:06:13,083 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 13:06:13,084 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 13:06:13,084 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 13:06:13,085 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/neural-networks/sqrt_1_safe.c-amalgamation.i
[2024-12-02 13:06:15,772 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/bin/uautomizer-verify-84ZbGMXZE1/data/b43b5b061/e87cc1297a4d48cf94ebc6aef6a3283f/FLAG36f58ea29
[2024-12-02 13:06:16,020 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 13:06:16,021 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/sv-benchmarks/c/neural-networks/sqrt_1_safe.c-amalgamation.i
[2024-12-02 13:06:16,036 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/bin/uautomizer-verify-84ZbGMXZE1/data/b43b5b061/e87cc1297a4d48cf94ebc6aef6a3283f/FLAG36f58ea29
[2024-12-02 13:06:16,327 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/bin/uautomizer-verify-84ZbGMXZE1/data/b43b5b061/e87cc1297a4d48cf94ebc6aef6a3283f
[2024-12-02 13:06:16,329 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 13:06:16,330 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 13:06:16,331 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 13:06:16,331 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 13:06:16,334 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 13:06:16,334 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:06:16" (1/1) ...
[2024-12-02 13:06:16,335 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7643a07f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:06:16, skipping insertion in model container
[2024-12-02 13:06:16,335 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:06:16" (1/1) ...
[2024-12-02 13:06:16,368 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 13:06:16,838 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_60735e08-7c7b-4618-b429-76e5c7aeb58d/sv-benchmarks/c/neural-networks/sqrt_1_safe.c-amalgamation.i[63012,63025]
[2024-12-02 13:06:16,841 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:06:16,852 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 13:06:16,897 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_60735e08-7c7b-4618-b429-76e5c7aeb58d/sv-benchmarks/c/neural-networks/sqrt_1_safe.c-amalgamation.i[63012,63025]
[2024-12-02 13:06:16,897 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:06:17,013 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 13:06:17,013 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:06:17 WrapperNode
[2024-12-02 13:06:17,013 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 13:06:17,014 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 13:06:17,014 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 13:06:17,014 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 13:06:17,021 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:06:17" (1/1) ...
[2024-12-02 13:06:17,036 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:06:17" (1/1) ...
[2024-12-02 13:06:17,050 INFO  L138                Inliner]: procedures = 558, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26
[2024-12-02 13:06:17,051 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 13:06:17,051 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 13:06:17,052 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 13:06:17,052 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 13:06:17,059 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:06:17" (1/1) ...
[2024-12-02 13:06:17,059 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:06:17" (1/1) ...
[2024-12-02 13:06:17,061 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:06:17" (1/1) ...
[2024-12-02 13:06:17,070 INFO  L175           MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0].
[2024-12-02 13:06:17,071 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:06:17" (1/1) ...
[2024-12-02 13:06:17,071 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:06:17" (1/1) ...
[2024-12-02 13:06:17,075 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:06:17" (1/1) ...
[2024-12-02 13:06:17,076 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:06:17" (1/1) ...
[2024-12-02 13:06:17,077 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:06:17" (1/1) ...
[2024-12-02 13:06:17,078 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:06:17" (1/1) ...
[2024-12-02 13:06:17,079 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:06:17" (1/1) ...
[2024-12-02 13:06:17,080 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 13:06:17,081 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 13:06:17,081 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 13:06:17,081 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 13:06:17,082 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:06:17" (1/1) ...
[2024-12-02 13:06:17,088 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:06:17,100 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:06:17,109 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 13:06:17,112 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 13:06:17,134 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-12-02 13:06:17,134 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-12-02 13:06:17,134 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 13:06:17,135 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 13:06:17,135 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 13:06:17,212 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 13:06:17,213 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 13:06:18,321 INFO  L?                        ?]: Removed 5 outVars from TransFormulas that were not future-live.
[2024-12-02 13:06:18,322 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 13:06:18,329 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 13:06:18,329 INFO  L312             CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 13:06:18,330 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:06:18 BoogieIcfgContainer
[2024-12-02 13:06:18,330 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 13:06:18,332 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 13:06:18,332 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 13:06:18,336 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-02 13:06:18,336 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:06:16" (1/3) ...
[2024-12-02 13:06:18,337 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62608fe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:06:18, skipping insertion in model container
[2024-12-02 13:06:18,337 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:06:17" (2/3) ...
[2024-12-02 13:06:18,337 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62608fe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:06:18, skipping insertion in model container
[2024-12-02 13:06:18,337 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:06:18" (3/3) ...
[2024-12-02 13:06:18,338 INFO  L128   eAbstractionObserver]: Analyzing ICFG sqrt_1_safe.c-amalgamation.i
[2024-12-02 13:06:18,349 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 13:06:18,350 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG sqrt_1_safe.c-amalgamation.i that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations.
[2024-12-02 13:06:18,385 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 13:06:18,395 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;@a3766fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 13:06:18,395 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 13:06:18,397 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:06:18,401 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-12-02 13:06:18,401 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:06:18,401 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-12-02 13:06:18,401 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:06:18,405 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:06:18,405 INFO  L85        PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times
[2024-12-02 13:06:18,412 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 13:06:18,413 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1268180366]
[2024-12-02 13:06:18,413 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:06:18,413 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 13:06:18,413 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 13:06:18,415 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/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 13:06:18,418 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/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 13:06:18,497 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:06:18,499 INFO  L256         TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-12-02 13:06:18,501 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:06:18,514 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 13:06:18,514 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 13:06:18,514 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 13:06:18,515 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1268180366]
[2024-12-02 13:06:18,515 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1268180366] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:06:18,515 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:06:18,515 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 13:06:18,516 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635528656]
[2024-12-02 13:06:18,517 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:06:18,519 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 13:06:18,520 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 13:06:18,532 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 13:06:18,532 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 13:06:18,533 INFO  L87              Difference]: Start difference. First operand  has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 13:06:18,540 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:06:18,540 INFO  L93              Difference]: Finished difference Result 19 states and 20 transitions.
[2024-12-02 13:06:18,541 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-12-02 13:06:18,541 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2024-12-02 13:06:18,541 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:06:18,545 INFO  L225             Difference]: With dead ends: 19
[2024-12-02 13:06:18,545 INFO  L226             Difference]: Without dead ends: 7
[2024-12-02 13:06:18,547 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 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 13:06:18,549 INFO  L435           NwaCegarLoop]: 10 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, 10 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 13:06:18,550 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 13:06:18,559 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7 states.
[2024-12-02 13:06:18,564 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7.
[2024-12-02 13:06:18,564 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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 13:06:18,567 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions.
[2024-12-02 13:06:18,568 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6
[2024-12-02 13:06:18,568 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:06:18,568 INFO  L471      AbstractCegarLoop]: Abstraction has 7 states and 6 transitions.
[2024-12-02 13:06:18,568 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 13:06:18,568 INFO  L276                IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions.
[2024-12-02 13:06:18,568 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-12-02 13:06:18,568 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 13:06:18,569 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-12-02 13:06:18,573 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/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 13:06:18,769 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/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 13:06:18,769 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:06:18,770 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:06:18,770 INFO  L85        PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times
[2024-12-02 13:06:18,770 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 13:06:18,770 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1879751009]
[2024-12-02 13:06:18,770 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:06:18,770 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 13:06:18,770 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 13:06:18,772 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/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 13:06:18,773 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/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 13:06:18,833 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:06:18,835 INFO  L256         TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 13:06:18,835 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:06:28,749 WARN  L286               SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-12-02 13:06:34,507 WARN  L873   $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~x~0#1_7| (_ FloatingPoint 8 24)) (currentRoundingMode RoundingMode)) (and (fp.geq |v_ULTIMATE.start_main_~x~0#1_7| (_ +zero 8 24)) (= (fp.sqrt currentRoundingMode |v_ULTIMATE.start_main_~x~0#1_7|) |c_ULTIMATE.start_main_~y~0#1|))) is different from true
[2024-12-02 13:06:34,968 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 13:06:34,968 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 13:06:34,968 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 13:06:34,968 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1879751009]
[2024-12-02 13:06:34,968 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1879751009] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:06:34,968 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:06:34,968 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 13:06:34,968 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288414797]
[2024-12-02 13:06:34,968 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:06:34,969 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:06:34,969 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 13:06:34,969 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:06:34,969 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12
[2024-12-02 13:06:34,969 INFO  L87              Difference]: Start difference. First operand 7 states and 6 transitions. Second operand  has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 13:06:39,084 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 13:06:39,863 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:06:39,863 INFO  L93              Difference]: Finished difference Result 7 states and 6 transitions.
[2024-12-02 13:06:39,891 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 13:06:39,891 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2024-12-02 13:06:39,892 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:06:39,892 INFO  L225             Difference]: With dead ends: 7
[2024-12-02 13:06:39,892 INFO  L226             Difference]: Without dead ends: 0
[2024-12-02 13:06:39,892 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=5, Invalid=4, Unknown=1, NotChecked=2, Total=12
[2024-12-02 13:06:39,892 INFO  L435           NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 3 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time
[2024-12-02 13:06:39,893 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 3 Unchecked, 4.9s Time]
[2024-12-02 13:06:39,893 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 13:06:39,893 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 13:06:39,893 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 13:06:39,893 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 13:06:39,893 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6
[2024-12-02 13:06:39,893 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:06:39,893 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 13:06:39,893 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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 13:06:39,894 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 13:06:39,894 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 13:06:39,896 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 13:06:39,899 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/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 13:06:40,096 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/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 13:06:40,099 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1]
[2024-12-02 13:06:40,100 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 13:06:40,105 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 13:06:40,110 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:06:40 BoogieIcfgContainer
[2024-12-02 13:06:40,110 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 13:06:40,111 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 13:06:40,111 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-12-02 13:06:40,111 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-12-02 13:06:40,111 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:06:18" (3/4) ...
[2024-12-02 13:06:40,113 INFO  L146         WitnessPrinter]: Generating witness for correct program
[2024-12-02 13:06:40,117 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges
[2024-12-02 13:06:40,117 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges
[2024-12-02 13:06:40,117 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-02 13:06:40,117 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 13:06:40,117 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 13:06:40,180 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 13:06:40,180 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 13:06:40,180 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 13:06:40,181 INFO  L158              Benchmark]: Toolchain (without parser) took 23851.11ms. Allocated memory is still 92.3MB. Free memory was 66.9MB in the beginning and 35.0MB in the end (delta: 31.9MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB.
[2024-12-02 13:06:40,181 INFO  L158              Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:06:40,181 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 683.06ms. Allocated memory is still 92.3MB. Free memory was 66.7MB in the beginning and 39.0MB in the end (delta: 27.7MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB.
[2024-12-02 13:06:40,182 INFO  L158              Benchmark]: Boogie Procedure Inliner took 36.70ms. Allocated memory is still 92.3MB. Free memory was 39.0MB in the beginning and 36.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:06:40,182 INFO  L158              Benchmark]: Boogie Preprocessor took 28.88ms. Allocated memory is still 92.3MB. Free memory was 36.3MB in the beginning and 35.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:06:40,182 INFO  L158              Benchmark]: RCFGBuilder took 1248.77ms. Allocated memory is still 92.3MB. Free memory was 34.7MB in the beginning and 60.2MB in the end (delta: -25.5MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB.
[2024-12-02 13:06:40,182 INFO  L158              Benchmark]: TraceAbstraction took 21778.68ms. Allocated memory is still 92.3MB. Free memory was 59.3MB in the beginning and 39.5MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 13:06:40,183 INFO  L158              Benchmark]: Witness Printer took 69.51ms. Allocated memory is still 92.3MB. Free memory was 39.5MB in the beginning and 35.0MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:06:40,184 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 683.06ms. Allocated memory is still 92.3MB. Free memory was 66.7MB in the beginning and 39.0MB in the end (delta: 27.7MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 36.70ms. Allocated memory is still 92.3MB. Free memory was 39.0MB in the beginning and 36.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 28.88ms. Allocated memory is still 92.3MB. Free memory was 36.3MB in the beginning and 35.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 1248.77ms. Allocated memory is still 92.3MB. Free memory was 34.7MB in the beginning and 60.2MB in the end (delta: -25.5MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB.
 * TraceAbstraction took 21778.68ms. Allocated memory is still 92.3MB. Free memory was 59.3MB in the beginning and 39.5MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * Witness Printer took 69.51ms. Allocated memory is still 92.3MB. Free memory was 39.5MB in the beginning and 35.0MB in the end (delta: 4.5MB). 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: 850]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 4.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 3 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 13 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 16.2s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 1 QuantifiedInterpolants, 21 SizeOfPredicates, 1 NumberOfNonLiveVariables, 46 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-12-02 13:06:40,246 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60735e08-7c7b-4618-b429-76e5c7aeb58d/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