./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_65_good.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 4fc63b2a
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cfc00127be80095153924dbb040bda5af086a3d16fffc3b3d194cb97d865ae1a
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-4fc63b2
[2024-11-02 12:39:58,555 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-02 12:39:58,716 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-64bit-Taipan_Default.epf
[2024-11-02 12:39:58,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-02 12:39:58,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-02 12:39:58,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-02 12:39:58,756 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-02 12:39:58,757 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-02 12:39:58,758 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-02 12:39:58,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-02 12:39:58,759 INFO L153 SettingsManager]: * User list type=DISABLED
[2024-11-02 12:39:58,760 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2024-11-02 12:39:58,760 INFO L153 SettingsManager]: * Explicit value domain=true
[2024-11-02 12:39:58,762 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2024-11-02 12:39:58,763 INFO L153 SettingsManager]: * Octagon Domain=false
[2024-11-02 12:39:58,763 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain
[2024-11-02 12:39:58,764 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true
[2024-11-02 12:39:58,764 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true
[2024-11-02 12:39:58,764 INFO L153 SettingsManager]: * Interval Domain=false
[2024-11-02 12:39:58,769 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults:
[2024-11-02 12:39:58,770 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer
[2024-11-02 12:39:58,770 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC
[2024-11-02 12:39:58,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-02 12:39:58,771 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-02 12:39:58,772 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-02 12:39:58,772 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-02 12:39:58,772 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-02 12:39:58,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-02 12:39:58,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-02 12:39:58,776 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-02 12:39:58,777 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-02 12:39:58,778 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-02 12:39:58,778 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-02 12:39:58,778 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-02 12:39:58,779 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-02 12:39:58,779 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-02 12:39:58,779 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-02 12:39:58,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-02 12:39:58,780 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-02 12:39:58,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-02 12:39:58,781 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-02 12:39:58,781 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN
[2024-11-02 12:39:58,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-02 12:39:58,783 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-02 12:39:58,784 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE
[2024-11-02 12:39:58,784 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-02 12:39:58,784 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfc00127be80095153924dbb040bda5af086a3d16fffc3b3d194cb97d865ae1a
[2024-11-02 12:39:59,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-02 12:39:59,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-02 12:39:59,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-02 12:39:59,219 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-02 12:39:59,221 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-02 12:39:59,222 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_65_good.i
Unable to find full path for "g++"
[2024-11-02 12:40:01,239 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-02 12:40:01,761 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-02 12:40:01,762 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_65_good.i
[2024-11-02 12:40:01,807 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/data/cf07a415b/97531306aba745e793e0868c3eff9ada/FLAG6aee2f1c0
[2024-11-02 12:40:02,314 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/data/cf07a415b/97531306aba745e793e0868c3eff9ada
[2024-11-02 12:40:02,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-02 12:40:02,319 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-02 12:40:02,321 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-02 12:40:02,321 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-02 12:40:02,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-02 12:40:02,334 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:40:02" (1/1) ...
[2024-11-02 12:40:02,336 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ab0eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:02, skipping insertion in model container
[2024-11-02 12:40:02,336 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:40:02" (1/1) ...
[2024-11-02 12:40:02,506 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-02 12:40:04,355 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:627)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3126)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:256)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1584)
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:1009)
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:789)
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:789)
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:1734)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1148)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1131)
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:387)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1611)
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:3458)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2482)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:639)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.<init>(MainTranslator.java:94)
at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
[2024-11-02 12:40:04,368 INFO L158 Benchmark]: Toolchain (without parser) took 2048.10ms. Allocated memory is still 167.8MB. Free memory was 100.8MB in the beginning and 114.8MB in the end (delta: -14.0MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB.
[2024-11-02 12:40:04,369 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-02 12:40:04,372 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2045.29ms. Allocated memory is still 167.8MB. Free memory was 100.6MB in the beginning and 114.8MB in the end (delta: -14.2MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB.
[2024-11-02 12:40:04,373 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 142.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 2045.29ms. Allocated memory is still 167.8MB. Free memory was 100.6MB in the beginning and 114.8MB in the end (delta: -14.2MB). Peak memory consumption was 6.0MB. 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:627)
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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cfc00127be80095153924dbb040bda5af086a3d16fffc3b3d194cb97d865ae1a
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-4fc63b2
[2024-11-02 12:40:06,655 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-02 12:40:06,770 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf
[2024-11-02 12:40:06,778 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-02 12:40:06,779 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-02 12:40:06,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-02 12:40:06,815 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-02 12:40:06,816 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-02 12:40:06,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-02 12:40:06,817 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-02 12:40:06,817 INFO L153 SettingsManager]: * User list type=DISABLED
[2024-11-02 12:40:06,817 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2024-11-02 12:40:06,818 INFO L153 SettingsManager]: * Explicit value domain=true
[2024-11-02 12:40:06,819 INFO L153 SettingsManager]: * Octagon Domain=false
[2024-11-02 12:40:06,821 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain
[2024-11-02 12:40:06,822 INFO L153 SettingsManager]: * Interval Domain=false
[2024-11-02 12:40:06,822 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-02 12:40:06,823 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-02 12:40:06,823 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-02 12:40:06,823 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-02 12:40:06,824 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-02 12:40:06,828 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-02 12:40:06,828 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-02 12:40:06,829 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-02 12:40:06,829 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-02 12:40:06,829 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-02 12:40:06,829 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-02 12:40:06,829 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-02 12:40:06,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-02 12:40:06,830 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-02 12:40:06,830 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-02 12:40:06,830 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-02 12:40:06,831 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-02 12:40:06,831 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-02 12:40:06,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-02 12:40:06,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-02 12:40:06,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-02 12:40:06,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-02 12:40:06,834 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS
[2024-11-02 12:40:06,834 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-02 12:40:06,835 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-02 12:40:06,836 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE
[2024-11-02 12:40:06,836 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-02 12:40:06,836 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfc00127be80095153924dbb040bda5af086a3d16fffc3b3d194cb97d865ae1a
[2024-11-02 12:40:07,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-02 12:40:07,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-02 12:40:07,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-02 12:40:07,378 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-02 12:40:07,379 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-02 12:40:07,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_65_good.i
Unable to find full path for "g++"
[2024-11-02 12:40:09,906 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-02 12:40:10,391 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-02 12:40:10,391 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_65_good.i
[2024-11-02 12:40:10,425 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/data/e7e0ccfbc/ed2e30503b3647ae8bc1fa8695d2705e/FLAG702d5ae47
[2024-11-02 12:40:10,442 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/data/e7e0ccfbc/ed2e30503b3647ae8bc1fa8695d2705e
[2024-11-02 12:40:10,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-02 12:40:10,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-02 12:40:10,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-02 12:40:10,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-02 12:40:10,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-02 12:40:10,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:40:10" (1/1) ...
[2024-11-02 12:40:10,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c41dc61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:10, skipping insertion in model container
[2024-11-02 12:40:10,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:40:10" (1/1) ...
[2024-11-02 12:40:10,549 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-02 12:40:12,549 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-02 12:40:12,562 INFO L200 MainTranslator]: Completed pre-run
[2024-11-02 12:40:12,709 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-02 12:40:13,007 INFO L204 MainTranslator]: Completed translation
[2024-11-02 12:40:13,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:13 WrapperNode
[2024-11-02 12:40:13,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-02 12:40:13,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-02 12:40:13,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-02 12:40:13,009 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-02 12:40:13,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:13" (1/1) ...
[2024-11-02 12:40:13,066 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:13" (1/1) ...
[2024-11-02 12:40:13,100 INFO L138 Inliner]: procedures = 945, calls = 32, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 70
[2024-11-02 12:40:13,101 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-02 12:40:13,103 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-02 12:40:13,103 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-02 12:40:13,104 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-02 12:40:13,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:13" (1/1) ...
[2024-11-02 12:40:13,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:13" (1/1) ...
[2024-11-02 12:40:13,122 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:13" (1/1) ...
[2024-11-02 12:40:13,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:13" (1/1) ...
[2024-11-02 12:40:13,133 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:13" (1/1) ...
[2024-11-02 12:40:13,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:13" (1/1) ...
[2024-11-02 12:40:13,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:13" (1/1) ...
[2024-11-02 12:40:13,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:13" (1/1) ...
[2024-11-02 12:40:13,144 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-02 12:40:13,145 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-02 12:40:13,145 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-02 12:40:13,145 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-02 12:40:13,146 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:13" (1/1) ...
[2024-11-02 12:40:13,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-02 12:40:13,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/z3
[2024-11-02 12:40:13,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-11-02 12:40:13,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-11-02 12:40:13,228 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine
[2024-11-02 12:40:13,229 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine
[2024-11-02 12:40:13,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-02 12:40:13,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-02 12:40:13,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-02 12:40:13,230 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-02 12:40:13,231 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-02 12:40:13,231 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~TO~VOID
[2024-11-02 12:40:13,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~TO~VOID
[2024-11-02 12:40:13,440 INFO L238 CfgBuilder]: Building ICFG
[2024-11-02 12:40:13,442 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-02 12:40:19,460 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live.
[2024-11-02 12:40:19,460 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-02 12:40:19,481 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-02 12:40:19,483 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-02 12:40:19,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:40:19 BoogieIcfgContainer
[2024-11-02 12:40:19,484 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-02 12:40:19,486 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-02 12:40:19,486 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-02 12:40:19,491 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-02 12:40:19,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:40:10" (1/3) ...
[2024-11-02 12:40:19,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c9803ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:40:19, skipping insertion in model container
[2024-11-02 12:40:19,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:40:13" (2/3) ...
[2024-11-02 12:40:19,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c9803ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:40:19, skipping insertion in model container
[2024-11-02 12:40:19,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:40:19" (3/3) ...
[2024-11-02 12:40:19,500 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_65_good.i
[2024-11-02 12:40:19,522 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-02 12:40:19,522 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations.
[2024-11-02 12:40:19,621 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-02 12:40:19,631 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=FINITE_AUTOMATA, 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;@1b8071b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-02 12:40:19,632 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-11-02 12:40:19,637 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 34 states have internal predecessors, (38), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-02 12:40:19,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-02 12:40:19,648 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-02 12:40:19,649 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-02 12:40:19,650 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~C_INT~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] ===
[2024-11-02 12:40:19,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-02 12:40:19,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1145192134, now seen corresponding path program 1 times
[2024-11-02 12:40:19,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-02 12:40:19,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [836444951]
[2024-11-02 12:40:19,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 12:40:19,676 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-02 12:40:19,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat
[2024-11-02 12:40:19,680 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-02 12:40:19,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-02 12:40:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-02 12:40:19,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-02 12:40:19,859 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-02 12:40:20,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-02 12:40:20,014 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-02 12:40:20,015 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-02 12:40:20,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [836444951]
[2024-11-02 12:40:20,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [836444951] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-02 12:40:20,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-02 12:40:20,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-02 12:40:20,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276131841]
[2024-11-02 12:40:20,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-02 12:40:20,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-02 12:40:20,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-02 12:40:20,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-02 12:40:20,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-02 12:40:20,061 INFO L87 Difference]: Start difference. First operand has 45 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 34 states have internal predecessors, (38), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-02 12:40:21,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-02 12:40:21,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-02 12:40:21,792 INFO L93 Difference]: Finished difference Result 69 states and 81 transitions.
[2024-11-02 12:40:21,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-02 12:40:21,799 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12
[2024-11-02 12:40:21,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-02 12:40:21,806 INFO L225 Difference]: With dead ends: 69
[2024-11-02 12:40:21,806 INFO L226 Difference]: Without dead ends: 50
[2024-11-02 12:40:21,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-02 12:40:21,813 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 22 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2024-11-02 12:40:21,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 239 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2024-11-02 12:40:21,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states.
[2024-11-02 12:40:21,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 47.
[2024-11-02 12:40:21,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 37 states have internal predecessors, (45), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-11-02 12:40:21,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 56 transitions.
[2024-11-02 12:40:21,855 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 56 transitions. Word has length 12
[2024-11-02 12:40:21,856 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-02 12:40:21,856 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 56 transitions.
[2024-11-02 12:40:21,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-02 12:40:21,857 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions.
[2024-11-02 12:40:21,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-02 12:40:21,859 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-02 12:40:21,859 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-02 12:40:21,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2024-11-02 12:40:22,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-02 12:40:22,064 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] ===
[2024-11-02 12:40:22,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-02 12:40:22,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1141193083, now seen corresponding path program 1 times
[2024-11-02 12:40:22,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-02 12:40:22,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [797940920]
[2024-11-02 12:40:22,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 12:40:22,067 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-02 12:40:22,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat
[2024-11-02 12:40:22,069 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-02 12:40:22,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-11-02 12:40:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-02 12:40:22,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-02 12:40:22,197 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-02 12:40:22,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-02 12:40:22,242 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-02 12:40:22,242 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-02 12:40:22,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [797940920]
[2024-11-02 12:40:22,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [797940920] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-02 12:40:22,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-02 12:40:22,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-02 12:40:22,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877790338]
[2024-11-02 12:40:22,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-02 12:40:22,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-02 12:40:22,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-02 12:40:22,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-02 12:40:22,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-02 12:40:22,249 INFO L87 Difference]: Start difference. First operand 47 states and 56 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-02 12:40:22,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-02 12:40:22,307 INFO L93 Difference]: Finished difference Result 72 states and 80 transitions.
[2024-11-02 12:40:22,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-02 12:40:22,309 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13
[2024-11-02 12:40:22,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-02 12:40:22,310 INFO L225 Difference]: With dead ends: 72
[2024-11-02 12:40:22,310 INFO L226 Difference]: Without dead ends: 37
[2024-11-02 12:40:22,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-02 12:40:22,314 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 6 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-02 12:40:22,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 85 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-02 12:40:22,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states.
[2024-11-02 12:40:22,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37.
[2024-11-02 12:40:22,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 25 states have (on average 1.24) internal successors, (31), 29 states have internal predecessors, (31), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-02 12:40:22,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions.
[2024-11-02 12:40:22,328 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 13
[2024-11-02 12:40:22,329 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-02 12:40:22,329 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions.
[2024-11-02 12:40:22,330 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-02 12:40:22,330 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions.
[2024-11-02 12:40:22,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2024-11-02 12:40:22,332 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-02 12:40:22,332 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-02 12:40:22,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2024-11-02 12:40:22,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-02 12:40:22,533 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~C_INT~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] ===
[2024-11-02 12:40:22,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-02 12:40:22,534 INFO L85 PathProgramCache]: Analyzing trace with hash -37795508, now seen corresponding path program 1 times
[2024-11-02 12:40:22,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-02 12:40:22,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1260953516]
[2024-11-02 12:40:22,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 12:40:22,536 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-02 12:40:22,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat
[2024-11-02 12:40:22,537 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-02 12:40:22,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2024-11-02 12:40:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-02 12:40:22,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-02 12:40:22,697 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-02 12:40:22,785 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-02 12:40:22,786 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-02 12:40:22,786 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-02 12:40:22,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1260953516]
[2024-11-02 12:40:22,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1260953516] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-02 12:40:22,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-02 12:40:22,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-02 12:40:22,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099745624]
[2024-11-02 12:40:22,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-02 12:40:22,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-02 12:40:22,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-02 12:40:22,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-02 12:40:22,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-02 12:40:22,789 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-11-02 12:40:22,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-02 12:40:22,830 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions.
[2024-11-02 12:40:22,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-02 12:40:22,831 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26
[2024-11-02 12:40:22,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-02 12:40:22,832 INFO L225 Difference]: With dead ends: 37
[2024-11-02 12:40:22,833 INFO L226 Difference]: Without dead ends: 33
[2024-11-02 12:40:22,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-02 12:40:22,834 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 9 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-02 12:40:22,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 83 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-02 12:40:22,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states.
[2024-11-02 12:40:22,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33.
[2024-11-02 12:40:22,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 23 states have (on average 1.173913043478261) internal successors, (27), 25 states have internal predecessors, (27), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-02 12:40:22,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions.
[2024-11-02 12:40:22,850 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 26
[2024-11-02 12:40:22,850 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-02 12:40:22,850 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions.
[2024-11-02 12:40:22,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-11-02 12:40:22,851 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions.
[2024-11-02 12:40:22,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2024-11-02 12:40:22,851 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-02 12:40:22,852 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-02 12:40:22,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2024-11-02 12:40:23,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-02 12:40:23,052 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] ===
[2024-11-02 12:40:23,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-02 12:40:23,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1171685451, now seen corresponding path program 1 times
[2024-11-02 12:40:23,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-02 12:40:23,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [185999]
[2024-11-02 12:40:23,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 12:40:23,054 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-02 12:40:23,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat
[2024-11-02 12:40:23,059 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-02 12:40:23,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2024-11-02 12:40:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-02 12:40:23,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-02 12:40:23,196 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-02 12:40:23,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-02 12:40:23,282 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-02 12:40:23,283 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-02 12:40:23,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [185999]
[2024-11-02 12:40:23,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [185999] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-02 12:40:23,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-02 12:40:23,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-02 12:40:23,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180526971]
[2024-11-02 12:40:23,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-02 12:40:23,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-02 12:40:23,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-02 12:40:23,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-02 12:40:23,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-02 12:40:23,285 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-11-02 12:40:25,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-02 12:40:27,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-02 12:40:29,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-02 12:40:29,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-02 12:40:29,448 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions.
[2024-11-02 12:40:29,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-02 12:40:29,453 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27
[2024-11-02 12:40:29,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-02 12:40:29,454 INFO L225 Difference]: With dead ends: 34
[2024-11-02 12:40:29,454 INFO L226 Difference]: Without dead ends: 33
[2024-11-02 12:40:29,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-02 12:40:29,456 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 4 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time
[2024-11-02 12:40:29,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 74 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 3 Unknown, 0 Unchecked, 6.1s Time]
[2024-11-02 12:40:29,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states.
[2024-11-02 12:40:29,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32.
[2024-11-02 12:40:29,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-02 12:40:29,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions.
[2024-11-02 12:40:29,463 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 27
[2024-11-02 12:40:29,464 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-02 12:40:29,464 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions.
[2024-11-02 12:40:29,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-11-02 12:40:29,464 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions.
[2024-11-02 12:40:29,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2024-11-02 12:40:29,465 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-02 12:40:29,465 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-02 12:40:29,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0
[2024-11-02 12:40:29,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-02 12:40:29,670 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] ===
[2024-11-02 12:40:29,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-02 12:40:29,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1962506509, now seen corresponding path program 1 times
[2024-11-02 12:40:29,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-02 12:40:29,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1652498502]
[2024-11-02 12:40:29,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 12:40:29,677 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-02 12:40:29,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat
[2024-11-02 12:40:29,682 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-02 12:40:29,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2024-11-02 12:40:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-02 12:40:29,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-02 12:40:29,866 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-02 12:40:29,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-02 12:40:29,880 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-02 12:40:29,880 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-02 12:40:29,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1652498502]
[2024-11-02 12:40:29,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1652498502] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-02 12:40:29,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-02 12:40:29,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-02 12:40:29,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862827035]
[2024-11-02 12:40:29,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-02 12:40:29,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-02 12:40:29,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-02 12:40:29,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-02 12:40:29,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-02 12:40:29,882 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-11-02 12:40:29,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-02 12:40:29,902 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions.
[2024-11-02 12:40:29,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-02 12:40:29,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28
[2024-11-02 12:40:29,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-02 12:40:29,904 INFO L225 Difference]: With dead ends: 37
[2024-11-02 12:40:29,904 INFO L226 Difference]: Without dead ends: 32
[2024-11-02 12:40:29,904 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-02 12:40:29,908 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-02 12:40:29,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-02 12:40:29,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states.
[2024-11-02 12:40:29,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32.
[2024-11-02 12:40:29,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 24 states have internal predecessors, (25), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-02 12:40:29,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions.
[2024-11-02 12:40:29,922 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 28
[2024-11-02 12:40:29,922 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-02 12:40:29,922 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions.
[2024-11-02 12:40:29,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-11-02 12:40:29,923 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions.
[2024-11-02 12:40:29,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2024-11-02 12:40:29,923 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-02 12:40:29,923 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-02 12:40:29,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0
[2024-11-02 12:40:30,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-02 12:40:30,128 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] ===
[2024-11-02 12:40:30,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-02 12:40:30,129 INFO L85 PathProgramCache]: Analyzing trace with hash -708284553, now seen corresponding path program 1 times
[2024-11-02 12:40:30,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-02 12:40:30,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1447355097]
[2024-11-02 12:40:30,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-02 12:40:30,130 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-02 12:40:30,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat
[2024-11-02 12:40:30,136 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-02 12:40:30,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fead2d2b-7c96-4167-9660-d0e711774f49/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process