./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_18_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_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/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_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_18_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/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_aa605418-6c58-4ccd-89df-405bc8e8b400/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 e87e888676c5aff2dd0cd9242a75a9a9ba2d034e52e2dfb9c98afe07719cd402
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 10:18:36,921 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 10:18:36,976 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-12-02 10:18:36,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 10:18:36,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 10:18:37,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 10:18:37,002 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 10:18:37,002 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 10:18:37,002 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 10:18:37,003 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 10:18:37,003 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 10:18:37,003 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 10:18:37,003 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 10:18:37,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 10:18:37,003 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 10:18:37,004 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 10:18:37,004 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 10:18:37,004 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 10:18:37,004 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 10:18:37,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 10:18:37,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 10:18:37,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 10:18:37,004 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 10:18:37,004 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 10:18:37,005 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 10:18:37,005 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 10:18:37,005 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 10:18:37,005 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 10:18:37,005 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 10:18:37,005 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 10:18:37,005 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 10:18:37,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:18:37,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 10:18:37,005 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 10:18:37,005 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 10:18:37,006 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 10:18:37,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:18:37,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 10:18:37,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 10:18:37,006 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 10:18:37,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 10:18:37,006 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 10:18:37,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 10:18:37,006 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 10:18:37,006 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 10:18:37,006 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 10:18:37,007 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 10:18:37,007 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_aa605418-6c58-4ccd-89df-405bc8e8b400/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 -> e87e888676c5aff2dd0cd9242a75a9a9ba2d034e52e2dfb9c98afe07719cd402
[2024-12-02 10:18:37,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 10:18:37,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 10:18:37,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 10:18:37,262 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 10:18:37,262 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 10:18:37,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_18_good.i
[2024-12-02 10:18:39,881 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/data/96475481a/9cd911a8c8344a398dfb9b2af7311108/FLAG8d87a9654
[2024-12-02 10:18:40,182 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 10:18:40,182 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_18_good.i
[2024-12-02 10:18:40,204 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/data/96475481a/9cd911a8c8344a398dfb9b2af7311108/FLAG8d87a9654
[2024-12-02 10:18:40,443 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/data/96475481a/9cd911a8c8344a398dfb9b2af7311108
[2024-12-02 10:18:40,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 10:18:40,445 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 10:18:40,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 10:18:40,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 10:18:40,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 10:18:40,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:18:40" (1/1) ...
[2024-12-02 10:18:40,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31bf603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:40, skipping insertion in model container
[2024-12-02 10:18:40,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:18:40" (1/1) ...
[2024-12-02 10:18:40,487 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 10:18:41,644 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.visit(CHandler.java:1974)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:206)
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$Toolchain.processToolchain(ToolchainManager.java:319)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
[2024-12-02 10:18:41,650 INFO L158 Benchmark]: Toolchain (without parser) took 1203.69ms. Allocated memory is still 117.4MB. Free memory was 87.9MB in the beginning and 64.2MB in the end (delta: 23.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 10:18:41,650 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 10:18:41,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1201.94ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 64.2MB in the end (delta: 23.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 10:18:41,652 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1201.94ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 64.2MB in the end (delta: 23.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: 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_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/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_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_18_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/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_aa605418-6c58-4ccd-89df-405bc8e8b400/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 e87e888676c5aff2dd0cd9242a75a9a9ba2d034e52e2dfb9c98afe07719cd402
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 10:18:43,447 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 10:18:43,519 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf
[2024-12-02 10:18:43,525 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 10:18:43,525 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 10:18:43,526 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2024-12-02 10:18:43,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 10:18:43,549 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 10:18:43,549 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 10:18:43,549 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 10:18:43,549 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 10:18:43,549 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 10:18:43,549 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 10:18:43,550 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 10:18:43,550 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 10:18:43,550 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 10:18:43,550 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 10:18:43,550 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 10:18:43,550 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 10:18:43,550 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 10:18:43,550 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 10:18:43,551 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 10:18:43,551 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-02 10:18:43,551 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-12-02 10:18:43,551 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 10:18:43,551 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-12-02 10:18:43,551 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 10:18:43,551 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 10:18:43,551 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 10:18:43,551 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 10:18:43,551 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 10:18:43,551 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 10:18:43,551 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 10:18:43,552 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 10:18:43,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:18:43,552 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 10:18:43,552 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 10:18:43,552 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 10:18:43,552 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 10:18:43,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:18:43,552 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 10:18:43,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 10:18:43,552 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 10:18:43,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 10:18:43,553 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-12-02 10:18:43,553 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-12-02 10:18:43,553 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 10:18:43,553 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 10:18:43,553 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 10:18:43,553 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 10:18:43,553 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_aa605418-6c58-4ccd-89df-405bc8e8b400/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 -> e87e888676c5aff2dd0cd9242a75a9a9ba2d034e52e2dfb9c98afe07719cd402
[2024-12-02 10:18:43,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 10:18:43,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 10:18:43,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 10:18:43,811 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 10:18:43,811 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 10:18:43,812 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_18_good.i
[2024-12-02 10:18:46,541 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/data/b135a9ca1/e8a6d5a4627c4316b0c866f95986138f/FLAGcde608708
[2024-12-02 10:18:46,828 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 10:18:46,829 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_18_good.i
[2024-12-02 10:18:46,854 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/data/b135a9ca1/e8a6d5a4627c4316b0c866f95986138f/FLAGcde608708
[2024-12-02 10:18:46,869 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/data/b135a9ca1/e8a6d5a4627c4316b0c866f95986138f
[2024-12-02 10:18:46,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 10:18:46,873 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 10:18:46,874 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 10:18:46,874 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 10:18:46,879 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 10:18:46,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:18:46" (1/1) ...
[2024-12-02 10:18:46,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9e0b70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:46, skipping insertion in model container
[2024-12-02 10:18:46,881 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:18:46" (1/1) ...
[2024-12-02 10:18:46,926 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 10:18:48,120 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 10:18:48,132 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 10:18:48,232 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 10:18:48,483 INFO L204 MainTranslator]: Completed translation
[2024-12-02 10:18:48,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:48 WrapperNode
[2024-12-02 10:18:48,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 10:18:48,484 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 10:18:48,484 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 10:18:48,484 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 10:18:48,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:48" (1/1) ...
[2024-12-02 10:18:48,512 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:48" (1/1) ...
[2024-12-02 10:18:48,532 INFO L138 Inliner]: procedures = 942, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59
[2024-12-02 10:18:48,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 10:18:48,533 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 10:18:48,533 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 10:18:48,533 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 10:18:48,542 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:48" (1/1) ...
[2024-12-02 10:18:48,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:48" (1/1) ...
[2024-12-02 10:18:48,545 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:48" (1/1) ...
[2024-12-02 10:18:48,554 INFO L175 MemorySlicer]: No memory access in input program.
[2024-12-02 10:18:48,554 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:48" (1/1) ...
[2024-12-02 10:18:48,554 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:48" (1/1) ...
[2024-12-02 10:18:48,561 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:48" (1/1) ...
[2024-12-02 10:18:48,562 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:48" (1/1) ...
[2024-12-02 10:18:48,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:48" (1/1) ...
[2024-12-02 10:18:48,566 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:48" (1/1) ...
[2024-12-02 10:18:48,567 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:48" (1/1) ...
[2024-12-02 10:18:48,569 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 10:18:48,570 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 10:18:48,570 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 10:18:48,570 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 10:18:48,571 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:48" (1/1) ...
[2024-12-02 10:18:48,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:18:48,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:18:48,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 10:18:48,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 10:18:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine
[2024-12-02 10:18:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine
[2024-12-02 10:18:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 10:18:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 10:18:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 10:18:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-12-02 10:18:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-12-02 10:18:48,748 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 10:18:48,750 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 10:18:52,840 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live.
[2024-12-02 10:18:52,840 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 10:18:52,847 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 10:18:52,848 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 10:18:52,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:18:52 BoogieIcfgContainer
[2024-12-02 10:18:52,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 10:18:52,851 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 10:18:52,851 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 10:18:52,856 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 10:18:52,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:18:46" (1/3) ...
[2024-12-02 10:18:52,856 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eddfbe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:18:52, skipping insertion in model container
[2024-12-02 10:18:52,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:18:48" (2/3) ...
[2024-12-02 10:18:52,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eddfbe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:18:52, skipping insertion in model container
[2024-12-02 10:18:52,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:18:52" (3/3) ...
[2024-12-02 10:18:52,858 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_18_good.i
[2024-12-02 10:18:52,872 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 10:18:52,874 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fscanf_square_18_good.i that has 3 procedures, 39 locations, 1 initial locations, 0 loop locations, and 5 error locations.
[2024-12-02 10:18:52,922 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 10:18:52,931 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;@6fed44a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 10:18:52,931 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-12-02 10:18:52,935 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 32 states have internal predecessors, (34), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-12-02 10:18:52,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-12-02 10:18:52,940 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:18:52,941 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:18:52,941 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] ===
[2024-12-02 10:18:52,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:18:52,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1808289983, now seen corresponding path program 1 times
[2024-12-02 10:18:52,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 10:18:52,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1784981595]
[2024-12-02 10:18:52,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:18:52,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:18:52,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:18:52,955 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 10:18:52,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 10:18:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:18:53,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 10:18:53,054 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 10:18:53,140 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 10:18:53,141 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 10:18:53,141 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 10:18:53,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784981595]
[2024-12-02 10:18:53,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784981595] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:18:53,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:18:53,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 10:18:53,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714957942]
[2024-12-02 10:18:53,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:18:53,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:18:53,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 10:18:53,160 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:18:53,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:18:53,162 INFO L87 Difference]: Start difference. First operand has 39 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 32 states have internal predecessors, (34), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 10:18:57,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 10:19:01,224 WARN L539 Checker$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 10:19:05,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 10:19:07,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-12-02 10:19:07,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:19:07,581 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions.
[2024-12-02 10:19:07,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 10:19:07,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12
[2024-12-02 10:19:07,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:19:07,587 INFO L225 Difference]: With dead ends: 42
[2024-12-02 10:19:07,587 INFO L226 Difference]: Without dead ends: 32
[2024-12-02 10:19:07,589 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 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 10:19:07,591 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 5 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time
[2024-12-02 10:19:07,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 102 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 3 Unknown, 0 Unchecked, 14.4s Time]
[2024-12-02 10:19:07,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states.
[2024-12-02 10:19:07,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29.
[2024-12-02 10:19:07,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.3) internal successors, (26), 24 states have internal predecessors, (26), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-02 10:19:07,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions.
[2024-12-02 10:19:07,619 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 12
[2024-12-02 10:19:07,619 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:19:07,619 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions.
[2024-12-02 10:19:07,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 10:19:07,620 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions.
[2024-12-02 10:19:07,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-12-02 10:19:07,621 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:19:07,621 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:19:07,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 10:19:07,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:19:07,822 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] ===
[2024-12-02 10:19:07,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:19:07,822 INFO L85 PathProgramCache]: Analyzing trace with hash -222410534, now seen corresponding path program 1 times
[2024-12-02 10:19:07,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 10:19:07,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1361924522]
[2024-12-02 10:19:07,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:19:07,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:19:07,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:19:07,825 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 10:19:07,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 10:19:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:19:07,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 10:19:07,905 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 10:19:07,912 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 10:19:07,912 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 10:19:07,912 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 10:19:07,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361924522]
[2024-12-02 10:19:07,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361924522] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:19:07,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:19:07,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 10:19:07,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928351924]
[2024-12-02 10:19:07,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:19:07,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 10:19:07,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 10:19:07,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 10:19:07,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 10:19:07,915 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 10:19:07,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:19:07,935 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions.
[2024-12-02 10:19:07,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 10:19:07,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13
[2024-12-02 10:19:07,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:19:07,936 INFO L225 Difference]: With dead ends: 45
[2024-12-02 10:19:07,937 INFO L226 Difference]: Without dead ends: 30
[2024-12-02 10:19:07,937 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 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 10:19:07,938 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 55 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 10:19:07,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 55 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 10:19:07,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states.
[2024-12-02 10:19:07,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30.
[2024-12-02 10:19:07,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 25 states have internal predecessors, (27), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-02 10:19:07,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions.
[2024-12-02 10:19:07,943 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 13
[2024-12-02 10:19:07,944 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:19:07,944 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions.
[2024-12-02 10:19:07,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 10:19:07,944 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions.
[2024-12-02 10:19:07,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-12-02 10:19:07,945 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:19:07,945 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:19:07,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 10:19:08,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:19:08,145 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] ===
[2024-12-02 10:19:08,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:19:08,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1695083107, now seen corresponding path program 1 times
[2024-12-02 10:19:08,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 10:19:08,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1545863012]
[2024-12-02 10:19:08,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:19:08,147 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 10:19:08,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 10:19:08,149 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/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 10:19:08,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/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 10:20:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:20:01,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-02 10:20:01,107 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 10:20:01,645 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 10:20:01,645 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 10:20:01,645 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 10:20:01,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1545863012]
[2024-12-02 10:20:01,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1545863012] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:20:01,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:20:01,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:20:01,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405706601]
[2024-12-02 10:20:01,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:20:01,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 10:20:01,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 10:20:01,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 10:20:01,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:20:01,647 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 10:20:05,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 10:20:09,864 WARN L539 Checker$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 10:20:13,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-12-02 10:20:17,869 WARN L539 Checker$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 10:20:21,871 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 10:20:21,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:20:21,932 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions.
[2024-12-02 10:20:21,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 10:20:21,933 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14
[2024-12-02 10:20:21,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:20:21,933 INFO L225 Difference]: With dead ends: 32
[2024-12-02 10:20:21,933 INFO L226 Difference]: Without dead ends: 31
[2024-12-02 10:20:21,933 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:20:21,934 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 4 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time
[2024-12-02 10:20:21,934 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 65 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 5 Unknown, 0 Unchecked, 20.3s Time]
[2024-12-02 10:20:21,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states.
[2024-12-02 10:20:21,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29.
[2024-12-02 10:20:21,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 24 states have internal predecessors, (26), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-02 10:20:21,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions.
[2024-12-02 10:20:21,938 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 14
[2024-12-02 10:20:21,938 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:20:21,938 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions.
[2024-12-02 10:20:21,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 10:20:21,938 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions.
[2024-12-02 10:20:21,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2024-12-02 10:20:21,939 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:20:21,939 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:20:21,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/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 10:20:22,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/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 10:20:22,141 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] ===
[2024-12-02 10:20:22,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:20:22,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1007968828, now seen corresponding path program 1 times
[2024-12-02 10:20:22,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 10:20:22,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [668851226]
[2024-12-02 10:20:22,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:20:22,143 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 10:20:22,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 10:20:22,149 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/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 10:20:22,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/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 10:21:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:21:20,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-02 10:21:20,140 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 10:21:20,659 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 10:21:20,660 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 10:21:20,660 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 10:21:20,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [668851226]
[2024-12-02 10:21:20,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [668851226] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:21:20,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:21:20,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 10:21:20,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199897424]
[2024-12-02 10:21:20,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:21:20,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 10:21:20,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 10:21:20,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 10:21:20,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:21:20,661 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 10:21:21,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:21:21,023 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions.
[2024-12-02 10:21:21,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 10:21:21,024 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15
[2024-12-02 10:21:21,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:21:21,024 INFO L225 Difference]: With dead ends: 31
[2024-12-02 10:21:21,024 INFO L226 Difference]: Without dead ends: 30
[2024-12-02 10:21:21,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 10:21:21,025 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 2 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 10:21:21,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 87 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 10:21:21,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states.
[2024-12-02 10:21:21,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28.
[2024-12-02 10:21:21,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 23 states have internal predecessors, (25), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-02 10:21:21,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions.
[2024-12-02 10:21:21,030 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 15
[2024-12-02 10:21:21,030 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:21:21,030 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions.
[2024-12-02 10:21:21,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 10:21:21,030 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions.
[2024-12-02 10:21:21,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2024-12-02 10:21:21,031 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:21:21,031 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:21:21,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/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 10:21:21,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/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 10:21:21,231 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] ===
[2024-12-02 10:21:21,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:21:21,232 INFO L85 PathProgramCache]: Analyzing trace with hash -240512965, now seen corresponding path program 1 times
[2024-12-02 10:21:21,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 10:21:21,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1161888671]
[2024-12-02 10:21:21,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:21:21,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:21:21,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:21:21,234 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 10:21:21,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-12-02 10:21:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:21:21,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 10:21:21,308 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 10:21:21,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 10:21:21,318 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 10:21:21,318 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 10:21:21,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161888671]
[2024-12-02 10:21:21,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161888671] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:21:21,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:21:21,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 10:21:21,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843864311]
[2024-12-02 10:21:21,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:21:21,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 10:21:21,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 10:21:21,319 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 10:21:21,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 10:21:21,319 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 10:21:21,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:21:21,357 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions.
[2024-12-02 10:21:21,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 10:21:21,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20
[2024-12-02 10:21:21,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:21:21,362 INFO L225 Difference]: With dead ends: 28
[2024-12-02 10:21:21,362 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 10:21:21,362 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 10:21:21,363 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 1 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:21:21,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 53 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 10:21:21,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 10:21:21,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 10:21:21,364 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 10:21:21,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 10:21:21,365 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20
[2024-12-02 10:21:21,365 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:21:21,365 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 10:21:21,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 10:21:21,365 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 10:21:21,366 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 10:21:21,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining)
[2024-12-02 10:21:21,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining)
[2024-12-02 10:21:21,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining)
[2024-12-02 10:21:21,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining)
[2024-12-02 10:21:21,368 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining)
[2024-12-02 10:21:21,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-12-02 10:21:21,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 10:21:21,571 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-12-02 10:21:21,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 10:21:21,586 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 10:21:21,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:21:21 BoogieIcfgContainer
[2024-12-02 10:21:21,590 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 10:21:21,591 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 10:21:21,591 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 10:21:21,591 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 10:21:21,591 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:18:52" (3/4) ...
[2024-12-02 10:21:21,593 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 10:21:21,596 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine
[2024-12-02 10:21:21,596 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine
[2024-12-02 10:21:21,599 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges
[2024-12-02 10:21:21,599 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges
[2024-12-02 10:21:21,599 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 10:21:21,599 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 10:21:21,670 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 10:21:21,671 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 10:21:21,671 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 10:21:21,672 INFO L158 Benchmark]: Toolchain (without parser) took 154798.75ms. Allocated memory was 92.3MB in the beginning and 184.5MB in the end (delta: 92.3MB). Free memory was 65.1MB in the beginning and 110.3MB in the end (delta: -45.2MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB.
[2024-12-02 10:21:21,672 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 10:21:21,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1609.71ms. Allocated memory was 92.3MB in the beginning and 184.5MB in the end (delta: 92.3MB). Free memory was 64.9MB in the beginning and 139.1MB in the end (delta: -74.2MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB.
[2024-12-02 10:21:21,673 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.21ms. Allocated memory is still 184.5MB. Free memory was 139.1MB in the beginning and 135.4MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 10:21:21,673 INFO L158 Benchmark]: Boogie Preprocessor took 36.11ms. Allocated memory is still 184.5MB. Free memory was 135.4MB in the beginning and 133.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 10:21:21,673 INFO L158 Benchmark]: RCFGBuilder took 4278.36ms. Allocated memory is still 184.5MB. Free memory was 133.1MB in the beginning and 117.5MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 10:21:21,673 INFO L158 Benchmark]: TraceAbstraction took 148739.51ms. Allocated memory is still 184.5MB. Free memory was 117.0MB in the beginning and 115.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 10:21:21,673 INFO L158 Benchmark]: Witness Printer took 80.24ms. Allocated memory is still 184.5MB. Free memory was 115.5MB in the beginning and 110.3MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 10:21:21,675 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1609.71ms. Allocated memory was 92.3MB in the beginning and 184.5MB in the end (delta: 92.3MB). Free memory was 64.9MB in the beginning and 139.1MB in the end (delta: -74.2MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 48.21ms. Allocated memory is still 184.5MB. Free memory was 139.1MB in the beginning and 135.4MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 36.11ms. Allocated memory is still 184.5MB. Free memory was 135.4MB in the beginning and 133.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 4278.36ms. Allocated memory is still 184.5MB. Free memory was 133.1MB in the beginning and 117.5MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 148739.51ms. Allocated memory is still 184.5MB. Free memory was 117.0MB in the beginning and 115.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 80.24ms. Allocated memory is still 184.5MB. Free memory was 115.5MB in the beginning and 110.3MB in the end (delta: 5.2MB). 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: 1841]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1843]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1843]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1861]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1861]: 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 3 procedures, 39 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 148.7s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 35.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 35.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 362 SdHoareTripleChecker+Invalid, 35.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 214 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 119 IncrementalHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 148 mSDtfsCounter, 119 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 110.7s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 69 ConstructedInterpolants, 5 QuantifiedInterpolants, 358 SizeOfPredicates, 2 NumberOfNonLiveVariables, 220 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 4/4 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
5 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-12-02 10:21:21,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa605418-6c58-4ccd-89df-405bc8e8b400/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