./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_08_good.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/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_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cd42774274db30e1f2f7ad533f245025d8b50910d50d0cd186fc2e23c8edec39
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 10:46:36,411 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 10:46:36,466 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-12-02 10:46:36,471 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 10:46:36,471 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 10:46:36,492 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 10:46:36,493 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 10:46:36,493 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 10:46:36,493 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 10:46:36,493 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 10:46:36,493 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 10:46:36,493 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 10:46:36,494 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 10:46:36,494 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 10:46:36,494 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 10:46:36,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 10:46:36,494 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 10:46:36,494 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 10:46:36,494 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 10:46:36,494 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 10:46:36,495 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 10:46:36,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 10:46:36,495 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 10:46:36,495 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 10:46:36,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 10:46:36,495 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 10:46:36,495 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 10:46:36,495 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 10:46:36,495 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 10:46:36,495 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 10:46:36,495 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 10:46:36,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:46:36,496 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 10:46:36,496 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 10:46:36,496 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 10:46:36,496 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 10:46:36,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:46:36,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 10:46:36,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 10:46:36,496 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 10:46:36,496 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 10:46:36,496 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 10:46:36,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 10:46:36,496 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 10:46:36,496 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 10:46:36,497 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 10:46:36,497 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 10:46:36,497 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_74e54979-8fb6-4a4b-9c60-ee377d3e8108/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 ! overflow) )
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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd42774274db30e1f2f7ad533f245025d8b50910d50d0cd186fc2e23c8edec39
[2024-12-02 10:46:36,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 10:46:36,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 10:46:36,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 10:46:36,745 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 10:46:36,745 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 10:46:36,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_08_good.i
[2024-12-02 10:46:39,389 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/data/315b0ac2b/bbdf12c33e814568b86879d81257f469/FLAG12dbf42db
[2024-12-02 10:46:39,723 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 10:46:39,723 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_08_good.i
[2024-12-02 10:46:39,748 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/data/315b0ac2b/bbdf12c33e814568b86879d81257f469/FLAG12dbf42db
[2024-12-02 10:46:39,763 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/data/315b0ac2b/bbdf12c33e814568b86879d81257f469
[2024-12-02 10:46:39,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 10:46:39,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 10:46:39,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 10:46:39,768 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 10:46:39,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 10:46:39,773 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:46:39" (1/1) ...
[2024-12-02 10:46:39,774 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13ce8002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:39, skipping insertion in model container
[2024-12-02 10:46:39,774 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:46:39" (1/1) ...
[2024-12-02 10:46:39,816 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 10:46:40,931 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:1019)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:283)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:783)
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:783)
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:1752)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1158)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1783)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1158)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:393)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3507)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.<init>(MainTranslator.java:94)
at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
[2024-12-02 10:46:40,937 INFO L158 Benchmark]: Toolchain (without parser) took 1169.60ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 88.5MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-02 10:46:40,937 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 10:46:40,938 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1167.27ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 88.5MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-02 10:46:40,939 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1167.27ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 88.5MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. 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_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/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_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cd42774274db30e1f2f7ad533f245025d8b50910d50d0cd186fc2e23c8edec39
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 10:46:42,711 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 10:46:42,802 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf
[2024-12-02 10:46:42,808 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 10:46:42,808 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 10:46:42,808 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2024-12-02 10:46:42,832 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 10:46:42,833 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 10:46:42,833 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 10:46:42,833 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 10:46:42,833 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 10:46:42,834 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 10:46:42,834 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 10:46:42,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 10:46:42,834 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 10:46:42,834 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 10:46:42,834 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 10:46:42,834 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 10:46:42,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 10:46:42,835 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 10:46:42,835 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 10:46:42,835 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 10:46:42,835 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-02 10:46:42,835 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-12-02 10:46:42,835 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 10:46:42,835 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-12-02 10:46:42,835 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 10:46:42,835 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 10:46:42,835 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 10:46:42,835 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 10:46:42,835 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 10:46:42,836 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 10:46:42,836 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 10:46:42,836 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 10:46:42,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:46:42,836 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 10:46:42,836 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 10:46:42,836 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 10:46:42,836 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 10:46:42,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:46:42,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 10:46:42,836 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 10:46:42,837 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 10:46:42,837 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 10:46:42,837 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-12-02 10:46:42,837 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-12-02 10:46:42,837 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 10:46:42,837 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 10:46:42,837 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 10:46:42,837 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 10:46:42,837 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_74e54979-8fb6-4a4b-9c60-ee377d3e8108/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 ! overflow) )
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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd42774274db30e1f2f7ad533f245025d8b50910d50d0cd186fc2e23c8edec39
[2024-12-02 10:46:43,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 10:46:43,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 10:46:43,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 10:46:43,089 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 10:46:43,089 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 10:46:43,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_08_good.i
[2024-12-02 10:46:45,773 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/data/1f3c0d103/72498fb5e8fb4680b106fafb26de7d99/FLAG71bcb361f
[2024-12-02 10:46:46,067 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 10:46:46,068 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_08_good.i
[2024-12-02 10:46:46,091 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/data/1f3c0d103/72498fb5e8fb4680b106fafb26de7d99/FLAG71bcb361f
[2024-12-02 10:46:46,106 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/data/1f3c0d103/72498fb5e8fb4680b106fafb26de7d99
[2024-12-02 10:46:46,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 10:46:46,109 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 10:46:46,111 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 10:46:46,111 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 10:46:46,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 10:46:46,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:46:46" (1/1) ...
[2024-12-02 10:46:46,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dcb3288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:46, skipping insertion in model container
[2024-12-02 10:46:46,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:46:46" (1/1) ...
[2024-12-02 10:46:46,157 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 10:46:47,339 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 10:46:47,357 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 10:46:47,448 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 10:46:47,646 INFO L204 MainTranslator]: Completed translation
[2024-12-02 10:46:47,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:47 WrapperNode
[2024-12-02 10:46:47,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 10:46:47,647 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 10:46:47,648 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 10:46:47,648 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 10:46:47,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:47" (1/1) ...
[2024-12-02 10:46:47,677 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:47" (1/1) ...
[2024-12-02 10:46:47,701 INFO L138 Inliner]: procedures = 946, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 119
[2024-12-02 10:46:47,701 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 10:46:47,702 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 10:46:47,702 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 10:46:47,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 10:46:47,710 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:47" (1/1) ...
[2024-12-02 10:46:47,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:47" (1/1) ...
[2024-12-02 10:46:47,714 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:47" (1/1) ...
[2024-12-02 10:46:47,724 INFO L175 MemorySlicer]: No memory access in input program.
[2024-12-02 10:46:47,724 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:47" (1/1) ...
[2024-12-02 10:46:47,724 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:47" (1/1) ...
[2024-12-02 10:46:47,732 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:47" (1/1) ...
[2024-12-02 10:46:47,733 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:47" (1/1) ...
[2024-12-02 10:46:47,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:47" (1/1) ...
[2024-12-02 10:46:47,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:47" (1/1) ...
[2024-12-02 10:46:47,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:47" (1/1) ...
[2024-12-02 10:46:47,739 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 10:46:47,740 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 10:46:47,740 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 10:46:47,740 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 10:46:47,741 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:47" (1/1) ...
[2024-12-02 10:46:47,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:46:47,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:46:47,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 10:46:47,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 10:46:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine
[2024-12-02 10:46:47,793 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine
[2024-12-02 10:46:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 10:46:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 10:46:47,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 10:46:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue
[2024-12-02 10:46:47,793 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue
[2024-12-02 10:46:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-12-02 10:46:47,793 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-12-02 10:46:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse
[2024-12-02 10:46:47,793 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse
[2024-12-02 10:46:47,911 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 10:46:47,912 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 10:46:53,653 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live.
[2024-12-02 10:46:53,653 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 10:46:53,660 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 10:46:53,660 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 10:46:53,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:46:53 BoogieIcfgContainer
[2024-12-02 10:46:53,661 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 10:46:53,663 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 10:46:53,663 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 10:46:53,666 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 10:46:53,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:46:46" (1/3) ...
[2024-12-02 10:46:53,667 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7619e0d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:46:53, skipping insertion in model container
[2024-12-02 10:46:53,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:47" (2/3) ...
[2024-12-02 10:46:53,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7619e0d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:46:53, skipping insertion in model container
[2024-12-02 10:46:53,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:46:53" (3/3) ...
[2024-12-02 10:46:53,669 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_08_good.i
[2024-12-02 10:46:53,682 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 10:46:53,683 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fscanf_square_08_good.i that has 5 procedures, 79 locations, 1 initial locations, 0 loop locations, and 10 error locations.
[2024-12-02 10:46:53,724 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 10:46:53,733 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;@6b70615f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 10:46:53,733 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations.
[2024-12-02 10:46:53,736 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 46 states have (on average 1.5) internal successors, (69), 60 states have internal predecessors, (69), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18)
[2024-12-02 10:46:53,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2024-12-02 10:46:53,741 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:46:53,741 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:46:53,742 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-12-02 10:46:53,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:46:53,745 INFO L85 PathProgramCache]: Analyzing trace with hash -63054265, now seen corresponding path program 1 times
[2024-12-02 10:46:53,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 10:46:53,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1837796551]
[2024-12-02 10:46:53,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:46:53,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:46:53,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:46:53,755 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 10:46:53,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 10:46:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:46:53,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 10:46:53,853 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 10:46:53,924 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 10:46:53,925 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 10:46:53,925 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 10:46:53,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837796551]
[2024-12-02 10:46:53,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837796551] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:46:53,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:46:53,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 10:46:53,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232911115]
[2024-12-02 10:46:53,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:46:53,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:46:53,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 10:46:53,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:46:53,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:46:53,950 INFO L87 Difference]: Start difference. First operand has 79 states, 46 states have (on average 1.5) internal successors, (69), 60 states have internal predecessors, (69), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 10:46:58,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 10:47:02,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 10:47:06,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 10:47:06,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:47:06,930 INFO L93 Difference]: Finished difference Result 153 states and 204 transitions.
[2024-12-02 10:47:06,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 10:47:06,932 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20
[2024-12-02 10:47:06,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:47:06,938 INFO L225 Difference]: With dead ends: 153
[2024-12-02 10:47:06,938 INFO L226 Difference]: Without dead ends: 76
[2024-12-02 10:47:06,940 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:47:06,942 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 8 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time
[2024-12-02 10:47:06,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 289 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 3 Unknown, 0 Unchecked, 12.9s Time]
[2024-12-02 10:47:06,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states.
[2024-12-02 10:47:06,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 72.
[2024-12-02 10:47:06,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 42 states have (on average 1.5) internal successors, (63), 54 states have internal predecessors, (63), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17)
[2024-12-02 10:47:06,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 97 transitions.
[2024-12-02 10:47:06,980 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 97 transitions. Word has length 20
[2024-12-02 10:47:06,981 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:47:06,981 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 97 transitions.
[2024-12-02 10:47:06,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 10:47:06,981 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 97 transitions.
[2024-12-02 10:47:06,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2024-12-02 10:47:06,982 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:47:06,983 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:47:06,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 10:47:07,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:47:07,183 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-12-02 10:47:07,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:47:07,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1954678112, now seen corresponding path program 1 times
[2024-12-02 10:47:07,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 10:47:07,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1580452651]
[2024-12-02 10:47:07,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:47:07,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:47:07,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:47:07,187 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 10:47:07,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 10:47:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:47:07,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 10:47:07,281 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 10:47:07,294 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 10:47:07,295 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 10:47:07,295 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 10:47:07,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580452651]
[2024-12-02 10:47:07,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580452651] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:47:07,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:47:07,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 10:47:07,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626558166]
[2024-12-02 10:47:07,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:47:07,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 10:47:07,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 10:47:07,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 10:47:07,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 10:47:07,298 INFO L87 Difference]: Start difference. First operand 72 states and 97 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 10:47:07,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:47:07,331 INFO L93 Difference]: Finished difference Result 129 states and 169 transitions.
[2024-12-02 10:47:07,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 10:47:07,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21
[2024-12-02 10:47:07,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:47:07,333 INFO L225 Difference]: With dead ends: 129
[2024-12-02 10:47:07,333 INFO L226 Difference]: Without dead ends: 73
[2024-12-02 10:47:07,333 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 10:47:07,334 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:47:07,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 10:47:07,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states.
[2024-12-02 10:47:07,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73.
[2024-12-02 10:47:07,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 43 states have (on average 1.4883720930232558) internal successors, (64), 55 states have internal predecessors, (64), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17)
[2024-12-02 10:47:07,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 98 transitions.
[2024-12-02 10:47:07,345 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 98 transitions. Word has length 21
[2024-12-02 10:47:07,345 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:47:07,345 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 98 transitions.
[2024-12-02 10:47:07,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 10:47:07,345 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 98 transitions.
[2024-12-02 10:47:07,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2024-12-02 10:47:07,346 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:47:07,346 INFO L218 NwaCegarLoop]: trace histogram [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 10:47:07,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 10:47:07,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:47:07,547 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-12-02 10:47:07,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:47:07,548 INFO L85 PathProgramCache]: Analyzing trace with hash -465604247, now seen corresponding path program 1 times
[2024-12-02 10:47:07,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 10:47:07,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [623745794]
[2024-12-02 10:47:07,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:47:07,549 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 10:47:07,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 10:47:07,551 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/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 10:47:07,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/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 10:47:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:47:59,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-02 10:47:59,341 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 10:47:59,891 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 10:47:59,891 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 10:47:59,891 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 10:47:59,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [623745794]
[2024-12-02 10:47:59,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [623745794] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:47:59,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:47:59,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:47:59,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563607963]
[2024-12-02 10:47:59,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:47:59,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 10:47:59,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 10:47:59,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 10:47:59,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:47:59,892 INFO L87 Difference]: Start difference. First operand 73 states and 98 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 10:48:04,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 10:48:08,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 10:48:12,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 10:48:16,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 10:48:20,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 10:48:20,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:48:20,500 INFO L93 Difference]: Finished difference Result 130 states and 172 transitions.
[2024-12-02 10:48:20,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-12-02 10:48:20,501 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22
[2024-12-02 10:48:20,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:48:20,502 INFO L225 Difference]: With dead ends: 130
[2024-12-02 10:48:20,502 INFO L226 Difference]: Without dead ends: 78
[2024-12-02 10:48:20,503 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 10:48:20,503 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 8 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time
[2024-12-02 10:48:20,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 412 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 65 Invalid, 5 Unknown, 0 Unchecked, 20.5s Time]
[2024-12-02 10:48:20,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states.
[2024-12-02 10:48:20,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 74.
[2024-12-02 10:48:20,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 45 states have (on average 1.4444444444444444) internal successors, (65), 56 states have internal predecessors, (65), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17)
[2024-12-02 10:48:20,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 99 transitions.
[2024-12-02 10:48:20,513 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 99 transitions. Word has length 22
[2024-12-02 10:48:20,513 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:48:20,513 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 99 transitions.
[2024-12-02 10:48:20,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 10:48:20,514 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 99 transitions.
[2024-12-02 10:48:20,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-12-02 10:48:20,514 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:48:20,514 INFO L218 NwaCegarLoop]: trace histogram [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 10:48:20,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/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)] Forceful destruction successful, exit code 0
[2024-12-02 10:48:20,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/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 10:48:20,715 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-12-02 10:48:20,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:48:20,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1548829694, now seen corresponding path program 1 times
[2024-12-02 10:48:20,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 10:48:20,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1083648448]
[2024-12-02 10:48:20,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:48:20,716 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 10:48:20,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 10:48:20,718 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/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 10:48:20,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/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 10:49:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:49:11,210 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-02 10:49:11,211 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 10:49:11,705 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 10:49:11,705 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 10:49:11,706 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 10:49:11,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1083648448]
[2024-12-02 10:49:11,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1083648448] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:49:11,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:49:11,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:49:11,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134574261]
[2024-12-02 10:49:11,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:49:11,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 10:49:11,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 10:49:11,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 10:49:11,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:49:11,707 INFO L87 Difference]: Start difference. First operand 74 states and 99 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 10:49:12,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:49:12,215 INFO L93 Difference]: Finished difference Result 78 states and 105 transitions.
[2024-12-02 10:49:12,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-12-02 10:49:12,216 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23
[2024-12-02 10:49:12,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:49:12,217 INFO L225 Difference]: With dead ends: 78
[2024-12-02 10:49:12,217 INFO L226 Difference]: Without dead ends: 77
[2024-12-02 10:49:12,218 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 10:49:12,218 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 7 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 10:49:12,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 404 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 10:49:12,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states.
[2024-12-02 10:49:12,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 73.
[2024-12-02 10:49:12,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 55 states have internal predecessors, (64), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17)
[2024-12-02 10:49:12,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 98 transitions.
[2024-12-02 10:49:12,227 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 98 transitions. Word has length 23
[2024-12-02 10:49:12,228 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:49:12,228 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 98 transitions.
[2024-12-02 10:49:12,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 10:49:12,228 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 98 transitions.
[2024-12-02 10:49:12,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2024-12-02 10:49:12,229 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:49:12,229 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 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 10:49:12,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/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 10:49:12,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/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 10:49:12,430 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-12-02 10:49:12,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:49:12,430 INFO L85 PathProgramCache]: Analyzing trace with hash 173372668, now seen corresponding path program 1 times
[2024-12-02 10:49:12,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 10:49:12,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [783878769]
[2024-12-02 10:49:12,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:49:12,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:49:12,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:49:12,432 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 10:49:12,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-12-02 10:49:12,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:49:12,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 10:49:12,494 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 10:49:12,523 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2024-12-02 10:49:12,523 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 10:49:12,523 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 10:49:12,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783878769]
[2024-12-02 10:49:12,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783878769] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:49:12,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:49:12,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 10:49:12,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746769117]
[2024-12-02 10:49:12,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:49:12,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:49:12,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 10:49:12,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:49:12,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:49:12,525 INFO L87 Difference]: Start difference. First operand 73 states and 98 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)
[2024-12-02 10:49:16,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 10:49:20,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 10:49:24,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 10:49:25,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:49:25,470 INFO L93 Difference]: Finished difference Result 121 states and 159 transitions.
[2024-12-02 10:49:25,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 10:49:25,471 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 36
[2024-12-02 10:49:25,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:49:25,472 INFO L225 Difference]: With dead ends: 121
[2024-12-02 10:49:25,472 INFO L226 Difference]: Without dead ends: 78
[2024-12-02 10:49:25,473 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:49:25,473 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 8 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time
[2024-12-02 10:49:25,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 240 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 3 Unknown, 0 Unchecked, 12.9s Time]
[2024-12-02 10:49:25,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states.
[2024-12-02 10:49:25,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 75.
[2024-12-02 10:49:25,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 56 states have internal predecessors, (66), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18)
[2024-12-02 10:49:25,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 102 transitions.
[2024-12-02 10:49:25,482 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 102 transitions. Word has length 36
[2024-12-02 10:49:25,482 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:49:25,482 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 102 transitions.
[2024-12-02 10:49:25,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)
[2024-12-02 10:49:25,482 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 102 transitions.
[2024-12-02 10:49:25,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2024-12-02 10:49:25,483 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:49:25,483 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 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 10:49:25,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-12-02 10:49:25,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:49:25,684 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-12-02 10:49:25,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:49:25,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1079589548, now seen corresponding path program 1 times
[2024-12-02 10:49:25,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 10:49:25,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1464518780]
[2024-12-02 10:49:25,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:49:25,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:49:25,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:49:25,686 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 10:49:25,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-12-02 10:49:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:49:25,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 10:49:25,767 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 10:49:25,774 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2024-12-02 10:49:25,775 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 10:49:25,775 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 10:49:25,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464518780]
[2024-12-02 10:49:25,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464518780] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:49:25,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:49:25,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 10:49:25,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452193409]
[2024-12-02 10:49:25,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:49:25,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 10:49:25,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 10:49:25,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 10:49:25,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 10:49:25,776 INFO L87 Difference]: Start difference. First operand 75 states and 102 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)
[2024-12-02 10:49:25,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:49:25,800 INFO L93 Difference]: Finished difference Result 116 states and 150 transitions.
[2024-12-02 10:49:25,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 10:49:25,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 37
[2024-12-02 10:49:25,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:49:25,802 INFO L225 Difference]: With dead ends: 116
[2024-12-02 10:49:25,802 INFO L226 Difference]: Without dead ends: 76
[2024-12-02 10:49:25,802 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 10:49:25,803 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:49:25,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 169 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 10:49:25,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states.
[2024-12-02 10:49:25,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76.
[2024-12-02 10:49:25,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 48 states have (on average 1.3958333333333333) internal successors, (67), 57 states have internal predecessors, (67), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18)
[2024-12-02 10:49:25,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 103 transitions.
[2024-12-02 10:49:25,811 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 103 transitions. Word has length 37
[2024-12-02 10:49:25,811 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:49:25,811 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 103 transitions.
[2024-12-02 10:49:25,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)
[2024-12-02 10:49:25,811 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 103 transitions.
[2024-12-02 10:49:25,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2024-12-02 10:49:25,812 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:49:25,813 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 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 10:49:25,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-12-02 10:49:26,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:49:26,013 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-12-02 10:49:26,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:49:26,014 INFO L85 PathProgramCache]: Analyzing trace with hash -892587266, now seen corresponding path program 1 times
[2024-12-02 10:49:26,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 10:49:26,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [111645242]
[2024-12-02 10:49:26,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:49:26,014 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 10:49:26,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 10:49:26,016 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/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 10:49:26,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/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 (8)] Waiting until timeout for monitored process
[2024-12-02 10:49:26,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:49:26,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 10:49:26,106 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 10:49:26,131 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-12-02 10:49:26,132 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 10:49:26,132 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 10:49:26,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [111645242]
[2024-12-02 10:49:26,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [111645242] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:49:26,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:49:26,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 10:49:26,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304870702]
[2024-12-02 10:49:26,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:49:26,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:49:26,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 10:49:26,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:49:26,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:49:26,133 INFO L87 Difference]: Start difference. First operand 76 states and 103 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6)
[2024-12-02 10:49:26,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:49:26,146 INFO L93 Difference]: Finished difference Result 129 states and 171 transitions.
[2024-12-02 10:49:26,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 10:49:26,147 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 38
[2024-12-02 10:49:26,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:49:26,148 INFO L225 Difference]: With dead ends: 129
[2024-12-02 10:49:26,148 INFO L226 Difference]: Without dead ends: 75
[2024-12-02 10:49:26,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:49:26,149 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:49:26,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 250 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 10:49:26,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states.
[2024-12-02 10:49:26,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75.
[2024-12-02 10:49:26,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 48 states have (on average 1.3541666666666667) internal successors, (65), 56 states have internal predecessors, (65), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17)
[2024-12-02 10:49:26,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 99 transitions.
[2024-12-02 10:49:26,156 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 99 transitions. Word has length 38
[2024-12-02 10:49:26,156 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:49:26,156 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 99 transitions.
[2024-12-02 10:49:26,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6)
[2024-12-02 10:49:26,156 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions.
[2024-12-02 10:49:26,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2024-12-02 10:49:26,157 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:49:26,157 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 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 10:49:26,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/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 (8)] Ended with exit code 0
[2024-12-02 10:49:26,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/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 10:49:26,359 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-12-02 10:49:26,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:49:26,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1510192731, now seen corresponding path program 1 times
[2024-12-02 10:49:26,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 10:49:26,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1185496366]
[2024-12-02 10:49:26,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:49:26,361 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 10:49:26,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 10:49:26,366 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/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 10:49:26,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/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 (9)] Waiting until timeout for monitored process
[2024-12-02 10:50:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:50:22,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-02 10:50:22,055 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 10:50:22,500 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2024-12-02 10:50:22,500 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 10:50:22,500 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 10:50:22,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1185496366]
[2024-12-02 10:50:22,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1185496366] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:50:22,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:50:22,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:50:22,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561357929]
[2024-12-02 10:50:22,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:50:22,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 10:50:22,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 10:50:22,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 10:50:22,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:50:22,501 INFO L87 Difference]: Start difference. First operand 75 states and 99 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)
[2024-12-02 10:50:27,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 10:50:31,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 10:50:35,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 10:50:39,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 10:50:43,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 10:50:43,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:50:43,180 INFO L93 Difference]: Finished difference Result 115 states and 147 transitions.
[2024-12-02 10:50:43,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-12-02 10:50:43,180 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 40
[2024-12-02 10:50:43,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:50:43,181 INFO L225 Difference]: With dead ends: 115
[2024-12-02 10:50:43,181 INFO L226 Difference]: Without dead ends: 79
[2024-12-02 10:50:43,182 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-12-02 10:50:43,182 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 11 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 7 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time
[2024-12-02 10:50:43,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 295 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 46 Invalid, 5 Unknown, 0 Unchecked, 20.6s Time]
[2024-12-02 10:50:43,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states.
[2024-12-02 10:50:43,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76.
[2024-12-02 10:50:43,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 50 states have (on average 1.32) internal successors, (66), 57 states have internal predecessors, (66), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17)
[2024-12-02 10:50:43,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 100 transitions.
[2024-12-02 10:50:43,188 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 100 transitions. Word has length 40
[2024-12-02 10:50:43,189 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:50:43,189 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 100 transitions.
[2024-12-02 10:50:43,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)
[2024-12-02 10:50:43,189 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions.
[2024-12-02 10:50:43,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2024-12-02 10:50:43,190 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:50:43,190 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 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, 1]
[2024-12-02 10:50:43,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/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 (9)] Forceful destruction successful, exit code 0
[2024-12-02 10:50:43,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/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 10:50:43,391 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-12-02 10:50:43,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:50:43,391 INFO L85 PathProgramCache]: Analyzing trace with hash 428665703, now seen corresponding path program 1 times
[2024-12-02 10:50:43,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 10:50:43,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [803776358]
[2024-12-02 10:50:43,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:50:43,391 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 10:50:43,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 10:50:43,393 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/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 10:50:43,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/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 (10)] Waiting until timeout for monitored process
[2024-12-02 10:51:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:51:33,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 10:51:33,996 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 10:51:34,294 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2024-12-02 10:51:34,294 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 10:51:34,294 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 10:51:34,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [803776358]
[2024-12-02 10:51:34,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [803776358] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:51:34,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:51:34,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 10:51:34,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290836560]
[2024-12-02 10:51:34,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:51:34,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:51:34,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 10:51:34,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:51:34,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:51:34,295 INFO L87 Difference]: Start difference. First operand 76 states and 100 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)
[2024-12-02 10:51:34,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:51:34,746 INFO L93 Difference]: Finished difference Result 77 states and 101 transitions.
[2024-12-02 10:51:34,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 10:51:34,750 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 41
[2024-12-02 10:51:34,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:51:34,750 INFO L225 Difference]: With dead ends: 77
[2024-12-02 10:51:34,750 INFO L226 Difference]: Without dead ends: 76
[2024-12-02 10:51:34,750 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:51:34,751 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 5 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 10:51:34,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 227 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 10:51:34,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states.
[2024-12-02 10:51:34,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 75.
[2024-12-02 10:51:34,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 50 states have (on average 1.3) internal successors, (65), 56 states have internal predecessors, (65), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17)
[2024-12-02 10:51:34,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 99 transitions.
[2024-12-02 10:51:34,755 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 99 transitions. Word has length 41
[2024-12-02 10:51:34,755 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:51:34,755 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 99 transitions.
[2024-12-02 10:51:34,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)
[2024-12-02 10:51:34,756 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions.
[2024-12-02 10:51:34,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2024-12-02 10:51:34,757 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:51:34,757 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 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, 1, 1]
[2024-12-02 10:51:34,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/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 (10)] Ended with exit code 0
[2024-12-02 10:51:34,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/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 10:51:34,958 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-12-02 10:51:34,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:51:34,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1991289761, now seen corresponding path program 1 times
[2024-12-02 10:51:34,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 10:51:34,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [4241169]
[2024-12-02 10:51:34,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:51:34,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:51:34,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:51:34,960 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 10:51:34,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-12-02 10:51:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:51:35,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 10:51:35,037 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 10:51:35,056 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-12-02 10:51:35,056 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 10:51:35,056 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 10:51:35,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4241169]
[2024-12-02 10:51:35,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [4241169] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:51:35,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:51:35,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 10:51:35,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251687356]
[2024-12-02 10:51:35,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:51:35,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:51:35,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 10:51:35,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:51:35,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:51:35,058 INFO L87 Difference]: Start difference. First operand 75 states and 99 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8)
[2024-12-02 10:51:35,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:51:35,068 INFO L93 Difference]: Finished difference Result 109 states and 138 transitions.
[2024-12-02 10:51:35,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 10:51:35,068 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 48
[2024-12-02 10:51:35,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:51:35,069 INFO L225 Difference]: With dead ends: 109
[2024-12-02 10:51:35,069 INFO L226 Difference]: Without dead ends: 75
[2024-12-02 10:51:35,070 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:51:35,070 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:51:35,070 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 241 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 10:51:35,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states.
[2024-12-02 10:51:35,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75.
[2024-12-02 10:51:35,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 50 states have (on average 1.26) internal successors, (63), 56 states have internal predecessors, (63), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17)
[2024-12-02 10:51:35,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 97 transitions.
[2024-12-02 10:51:35,074 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 97 transitions. Word has length 48
[2024-12-02 10:51:35,074 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:51:35,074 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 97 transitions.
[2024-12-02 10:51:35,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8)
[2024-12-02 10:51:35,074 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 97 transitions.
[2024-12-02 10:51:35,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2024-12-02 10:51:35,075 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:51:35,075 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:51:35,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2024-12-02 10:51:35,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:51:35,276 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-12-02 10:51:35,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:51:35,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1264477035, now seen corresponding path program 1 times
[2024-12-02 10:51:35,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 10:51:35,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [545571494]
[2024-12-02 10:51:35,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:51:35,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:51:35,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:51:35,278 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 10:51:35,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-12-02 10:51:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:51:35,359 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 10:51:35,360 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 10:51:35,373 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked.
[2024-12-02 10:51:35,373 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 10:51:35,373 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 10:51:35,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545571494]
[2024-12-02 10:51:35,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545571494] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:51:35,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:51:35,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 10:51:35,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424179098]
[2024-12-02 10:51:35,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:51:35,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 10:51:35,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 10:51:35,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 10:51:35,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 10:51:35,374 INFO L87 Difference]: Start difference. First operand 75 states and 97 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9)
[2024-12-02 10:51:36,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:51:36,357 INFO L93 Difference]: Finished difference Result 82 states and 106 transitions.
[2024-12-02 10:51:36,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 10:51:36,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 55
[2024-12-02 10:51:36,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:51:36,364 INFO L225 Difference]: With dead ends: 82
[2024-12-02 10:51:36,364 INFO L226 Difference]: Without dead ends: 80
[2024-12-02 10:51:36,364 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 10:51:36,365 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 2 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:51:36,365 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 157 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-12-02 10:51:36,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states.
[2024-12-02 10:51:36,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 79.
[2024-12-02 10:51:36,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 53 states have (on average 1.2641509433962264) internal successors, (67), 58 states have internal predecessors, (67), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-12-02 10:51:36,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 103 transitions.
[2024-12-02 10:51:36,368 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 103 transitions. Word has length 55
[2024-12-02 10:51:36,368 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:51:36,369 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 103 transitions.
[2024-12-02 10:51:36,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9)
[2024-12-02 10:51:36,369 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 103 transitions.
[2024-12-02 10:51:36,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2024-12-02 10:51:36,370 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:51:36,370 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:51:36,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0
[2024-12-02 10:51:36,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:51:36,570 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-12-02 10:51:36,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:51:36,571 INFO L85 PathProgramCache]: Analyzing trace with hash 649513907, now seen corresponding path program 1 times
[2024-12-02 10:51:36,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 10:51:36,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1634810768]
[2024-12-02 10:51:36,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:51:36,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:51:36,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:51:36,573 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 10:51:36,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2024-12-02 10:51:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:51:36,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 10:51:36,651 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 10:51:36,667 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2024-12-02 10:51:36,667 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 10:51:36,667 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 10:51:36,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634810768]
[2024-12-02 10:51:36,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634810768] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:51:36,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:51:36,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 10:51:36,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341475447]
[2024-12-02 10:51:36,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:51:36,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:51:36,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 10:51:36,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:51:36,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:51:36,668 INFO L87 Difference]: Start difference. First operand 79 states and 103 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10)
[2024-12-02 10:51:36,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:51:36,679 INFO L93 Difference]: Finished difference Result 100 states and 125 transitions.
[2024-12-02 10:51:36,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 10:51:36,680 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 60
[2024-12-02 10:51:36,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:51:36,680 INFO L225 Difference]: With dead ends: 100
[2024-12-02 10:51:36,680 INFO L226 Difference]: Without dead ends: 72
[2024-12-02 10:51:36,681 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:51:36,681 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:51:36,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 226 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 10:51:36,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states.
[2024-12-02 10:51:36,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72.
[2024-12-02 10:51:36,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 50 states have (on average 1.2) internal successors, (60), 53 states have internal predecessors, (60), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-12-02 10:51:36,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions.
[2024-12-02 10:51:36,686 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 60
[2024-12-02 10:51:36,686 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:51:36,687 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions.
[2024-12-02 10:51:36,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10)
[2024-12-02 10:51:36,687 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions.
[2024-12-02 10:51:36,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2024-12-02 10:51:36,687 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:51:36,688 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:51:36,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0
[2024-12-02 10:51:36,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:51:36,888 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-12-02 10:51:36,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:51:36,888 INFO L85 PathProgramCache]: Analyzing trace with hash -78895235, now seen corresponding path program 1 times
[2024-12-02 10:51:36,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 10:51:36,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [122571176]
[2024-12-02 10:51:36,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:51:36,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:51:36,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:51:36,890 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 10:51:36,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2024-12-02 10:51:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:51:36,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 10:51:36,970 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 10:51:36,989 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2024-12-02 10:51:36,989 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 10:51:36,989 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 10:51:36,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122571176]
[2024-12-02 10:51:36,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122571176] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:51:36,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:51:36,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 10:51:36,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910964468]
[2024-12-02 10:51:36,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:51:36,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:51:36,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 10:51:36,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:51:36,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:51:36,991 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11)
[2024-12-02 10:51:37,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:51:37,003 INFO L93 Difference]: Finished difference Result 84 states and 105 transitions.
[2024-12-02 10:51:37,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 10:51:37,003 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 66
[2024-12-02 10:51:37,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:51:37,004 INFO L225 Difference]: With dead ends: 84
[2024-12-02 10:51:37,004 INFO L226 Difference]: Without dead ends: 72
[2024-12-02 10:51:37,004 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:51:37,005 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:51:37,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 223 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 10:51:37,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states.
[2024-12-02 10:51:37,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72.
[2024-12-02 10:51:37,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 50 states have (on average 1.18) internal successors, (59), 53 states have internal predecessors, (59), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-12-02 10:51:37,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 91 transitions.
[2024-12-02 10:51:37,009 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 91 transitions. Word has length 66
[2024-12-02 10:51:37,009 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:51:37,009 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 91 transitions.
[2024-12-02 10:51:37,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11)
[2024-12-02 10:51:37,010 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 91 transitions.
[2024-12-02 10:51:37,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74
[2024-12-02 10:51:37,010 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:51:37,010 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:51:37,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0
[2024-12-02 10:51:37,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:51:37,211 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-12-02 10:51:37,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:51:37,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1373053635, now seen corresponding path program 1 times
[2024-12-02 10:51:37,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 10:51:37,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [308480485]
[2024-12-02 10:51:37,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:51:37,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:51:37,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:51:37,213 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 10:51:37,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process
[2024-12-02 10:51:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:51:37,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 10:51:37,316 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 10:51:37,330 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-12-02 10:51:37,330 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 10:51:37,330 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 10:51:37,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308480485]
[2024-12-02 10:51:37,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308480485] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:51:37,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:51:37,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 10:51:37,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809486706]
[2024-12-02 10:51:37,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:51:37,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 10:51:37,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 10:51:37,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 10:51:37,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 10:51:37,331 INFO L87 Difference]: Start difference. First operand 72 states and 91 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12)
[2024-12-02 10:51:38,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:51:38,100 INFO L93 Difference]: Finished difference Result 78 states and 97 transitions.
[2024-12-02 10:51:38,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 10:51:38,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 73
[2024-12-02 10:51:38,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:51:38,104 INFO L225 Difference]: With dead ends: 78
[2024-12-02 10:51:38,104 INFO L226 Difference]: Without dead ends: 72
[2024-12-02 10:51:38,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 10:51:38,105 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 1 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 10:51:38,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 148 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 10:51:38,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states.
[2024-12-02 10:51:38,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72.
[2024-12-02 10:51:38,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 50 states have (on average 1.16) internal successors, (58), 53 states have internal predecessors, (58), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-12-02 10:51:38,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 90 transitions.
[2024-12-02 10:51:38,110 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 90 transitions. Word has length 73
[2024-12-02 10:51:38,111 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:51:38,111 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 90 transitions.
[2024-12-02 10:51:38,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12)
[2024-12-02 10:51:38,111 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 90 transitions.
[2024-12-02 10:51:38,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74
[2024-12-02 10:51:38,111 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:51:38,112 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:51:38,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0
[2024-12-02 10:51:38,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:51:38,312 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-12-02 10:51:38,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:51:38,312 INFO L85 PathProgramCache]: Analyzing trace with hash 401953727, now seen corresponding path program 1 times
[2024-12-02 10:51:38,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 10:51:38,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1113707985]
[2024-12-02 10:51:38,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:51:38,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:51:38,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:51:38,314 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 10:51:38,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process
[2024-12-02 10:51:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:51:38,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 10:51:38,410 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 10:51:38,429 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked.
[2024-12-02 10:51:38,429 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 10:51:38,429 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 10:51:38,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113707985]
[2024-12-02 10:51:38,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113707985] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:51:38,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:51:38,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 10:51:38,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211976227]
[2024-12-02 10:51:38,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:51:38,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:51:38,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 10:51:38,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:51:38,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:51:38,430 INFO L87 Difference]: Start difference. First operand 72 states and 90 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12)
[2024-12-02 10:51:38,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:51:38,434 INFO L93 Difference]: Finished difference Result 75 states and 92 transitions.
[2024-12-02 10:51:38,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 10:51:38,434 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 73
[2024-12-02 10:51:38,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:51:38,435 INFO L225 Difference]: With dead ends: 75
[2024-12-02 10:51:38,435 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 10:51:38,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:51:38,435 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:51:38,436 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 203 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 10:51:38,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 10:51:38,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 10:51:38,436 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 10:51:38,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 10:51:38,437 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73
[2024-12-02 10:51:38,437 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:51:38,437 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 10:51:38,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12)
[2024-12-02 10:51:38,437 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 10:51:38,437 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 10:51:38,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining)
[2024-12-02 10:51:38,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining)
[2024-12-02 10:51:38,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining)
[2024-12-02 10:51:38,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining)
[2024-12-02 10:51:38,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining)
[2024-12-02 10:51:38,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining)
[2024-12-02 10:51:38,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining)
[2024-12-02 10:51:38,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining)
[2024-12-02 10:51:38,440 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining)
[2024-12-02 10:51:38,440 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining)
[2024-12-02 10:51:38,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0
[2024-12-02 10:51:38,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:51:38,642 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:51:38,644 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 10:51:38,916 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 10:51:38,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:51:38 BoogieIcfgContainer
[2024-12-02 10:51:38,921 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 10:51:38,921 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 10:51:38,921 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 10:51:38,921 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 10:51:38,922 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:46:53" (3/4) ...
[2024-12-02 10:51:38,923 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 10:51:38,926 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine
[2024-12-02 10:51:38,926 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse
[2024-12-02 10:51:38,926 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine
[2024-12-02 10:51:38,926 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue
[2024-12-02 10:51:38,930 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges
[2024-12-02 10:51:38,930 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2024-12-02 10:51:38,930 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 10:51:38,930 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 10:51:38,988 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 10:51:38,988 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 10:51:38,988 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 10:51:38,989 INFO L158 Benchmark]: Toolchain (without parser) took 292879.99ms. Allocated memory was 92.3MB in the beginning and 167.8MB in the end (delta: 75.5MB). Free memory was 64.9MB in the beginning and 95.4MB in the end (delta: -30.5MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB.
[2024-12-02 10:51:38,989 INFO L158 Benchmark]: CDTParser took 0.24ms. 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 10:51:38,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1536.34ms. Allocated memory was 92.3MB in the beginning and 167.8MB in the end (delta: 75.5MB). Free memory was 64.7MB in the beginning and 119.9MB in the end (delta: -55.1MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB.
[2024-12-02 10:51:38,990 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.92ms. Allocated memory is still 167.8MB. Free memory was 119.9MB in the beginning and 116.1MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 10:51:38,990 INFO L158 Benchmark]: Boogie Preprocessor took 37.73ms. Allocated memory is still 167.8MB. Free memory was 116.1MB in the beginning and 113.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 10:51:38,990 INFO L158 Benchmark]: RCFGBuilder took 5920.78ms. Allocated memory is still 167.8MB. Free memory was 113.8MB in the beginning and 94.7MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 10:51:38,990 INFO L158 Benchmark]: TraceAbstraction took 285258.00ms. Allocated memory is still 167.8MB. Free memory was 94.1MB in the beginning and 100.5MB in the end (delta: -6.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 10:51:38,991 INFO L158 Benchmark]: Witness Printer took 67.46ms. Allocated memory is still 167.8MB. Free memory was 100.5MB in the beginning and 95.4MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 10:51:38,992 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory is still 47.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1536.34ms. Allocated memory was 92.3MB in the beginning and 167.8MB in the end (delta: 75.5MB). Free memory was 64.7MB in the beginning and 119.9MB in the end (delta: -55.1MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 53.92ms. Allocated memory is still 167.8MB. Free memory was 119.9MB in the beginning and 116.1MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 37.73ms. Allocated memory is still 167.8MB. Free memory was 116.1MB in the beginning and 113.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 5920.78ms. Allocated memory is still 167.8MB. Free memory was 113.8MB in the beginning and 94.7MB in the end (delta: 19.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 285258.00ms. Allocated memory is still 167.8MB. Free memory was 94.1MB in the beginning and 100.5MB in the end (delta: -6.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 67.46ms. Allocated memory is still 167.8MB. Free memory was 100.5MB in the beginning and 95.4MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 1854]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1856]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1856]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1875]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1877]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1877]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1901]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1901]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1917]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1917]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 5 procedures, 79 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 284.9s, OverallIterations: 15, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 70.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 69.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 3659 SdHoareTripleChecker+Invalid, 69.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2407 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 319 IncrementalHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 1252 mSDtfsCounter, 319 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 644 GetRequests, 606 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=0, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 15 MinimizatonAttempts, 20 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 208.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 653 NumberOfCodeBlocks, 653 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 638 ConstructedInterpolants, 10 QuantifiedInterpolants, 1228 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1459 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 348/348 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
10 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-12-02 10:51:39,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e54979-8fb6-4a4b-9c60-ee377d3e8108/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