./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound5.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 0e0057cc
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme --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 32bit --witnessprinter.graph.data.programhash ce929d4b8e516d9e6e8f9406197408f50e5e07a2a68710af0cc8588994ada67a
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-11-26 11:51:06,881 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-26 11:51:06,967 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2023-11-26 11:51:06,973 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-26 11:51:06,973 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-26 11:51:07,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-26 11:51:07,014 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-26 11:51:07,015 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-26 11:51:07,016 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-26 11:51:07,021 INFO L153 SettingsManager]: * Use memory slicer=true
[2023-11-26 11:51:07,022 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-26 11:51:07,022 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-26 11:51:07,023 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-26 11:51:07,025 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-26 11:51:07,026 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-26 11:51:07,026 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-26 11:51:07,027 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-26 11:51:07,027 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-26 11:51:07,027 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-26 11:51:07,028 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-26 11:51:07,028 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-26 11:51:07,029 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-26 11:51:07,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-26 11:51:07,030 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-26 11:51:07,030 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true
[2023-11-26 11:51:07,031 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-26 11:51:07,031 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-26 11:51:07,032 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-26 11:51:07,032 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-26 11:51:07,033 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-26 11:51:07,034 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-26 11:51:07,035 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2023-11-26 11:51:07,035 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-26 11:51:07,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-26 11:51:07,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-26 11:51:07,036 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-26 11:51:07,036 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-26 11:51:07,036 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-26 11:51:07,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-26 11:51:07,037 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-26 11:51:07,037 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-26 11:51:07,037 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-26 11:51:07,038 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-26 11:51:07,039 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-26 11:51:07,039 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce929d4b8e516d9e6e8f9406197408f50e5e07a2a68710af0cc8588994ada67a
[2023-11-26 11:51:07,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-26 11:51:07,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-26 11:51:07,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-26 11:51:07,421 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-26 11:51:07,422 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-26 11:51:07,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound5.i
[2023-11-26 11:51:10,467 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-26 11:51:10,760 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-26 11:51:10,761 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound5.i
[2023-11-26 11:51:10,777 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/data/20132e9c7/3a4929c25b384c2f81bdb04b3f7c1c4c/FLAG879eeb680
[2023-11-26 11:51:10,803 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/data/20132e9c7/3a4929c25b384c2f81bdb04b3f7c1c4c
[2023-11-26 11:51:10,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-26 11:51:10,808 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-26 11:51:10,809 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-26 11:51:10,810 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-26 11:51:10,816 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-26 11:51:10,816 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:51:10" (1/1) ...
[2023-11-26 11:51:10,818 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42510ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:10, skipping insertion in model container
[2023-11-26 11:51:10,818 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:51:10" (1/1) ...
[2023-11-26 11:51:10,846 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-26 11:51:11,035 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:610)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2220)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1427)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:222)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117)
at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.<init>(MainTranslator.java:95)
at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147)
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)
[2023-11-26 11:51:11,039 INFO L158 Benchmark]: Toolchain (without parser) took 230.45ms. Allocated memory is still 176.2MB. Free memory was 147.5MB in the beginning and 139.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2023-11-26 11:51:11,040 INFO L158 Benchmark]: CDTParser took 1.17ms. Allocated memory is still 130.0MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-26 11:51:11,041 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.98ms. Allocated memory is still 176.2MB. Free memory was 147.5MB in the beginning and 139.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2023-11-26 11:51:11,043 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.17ms. Allocated memory is still 130.0MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 227.98ms. Allocated memory is still 176.2MB. Free memory was 147.5MB in the beginning and 139.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. 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:610)
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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme --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 32bit --witnessprinter.graph.data.programhash ce929d4b8e516d9e6e8f9406197408f50e5e07a2a68710af0cc8588994ada67a
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-11-26 11:51:13,547 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-26 11:51:13,634 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf
[2023-11-26 11:51:13,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-26 11:51:13,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-26 11:51:13,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-26 11:51:13,706 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-26 11:51:13,707 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-26 11:51:13,712 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-26 11:51:13,713 INFO L153 SettingsManager]: * Use memory slicer=true
[2023-11-26 11:51:13,713 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-26 11:51:13,714 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-26 11:51:13,715 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-26 11:51:13,716 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-26 11:51:13,716 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-26 11:51:13,717 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-26 11:51:13,718 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-26 11:51:13,718 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-26 11:51:13,719 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-26 11:51:13,719 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-26 11:51:13,720 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-26 11:51:13,721 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-26 11:51:13,721 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-26 11:51:13,721 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-26 11:51:13,722 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2023-11-26 11:51:13,722 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true
[2023-11-26 11:51:13,723 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-26 11:51:13,723 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-26 11:51:13,724 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-26 11:51:13,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-26 11:51:13,725 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-26 11:51:13,725 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-26 11:51:13,726 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-26 11:51:13,726 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2023-11-26 11:51:13,726 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-26 11:51:13,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-26 11:51:13,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-26 11:51:13,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-26 11:51:13,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-26 11:51:13,728 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2023-11-26 11:51:13,729 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-11-26 11:51:13,729 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-26 11:51:13,729 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-26 11:51:13,730 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-26 11:51:13,730 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-26 11:51:13,730 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-26 11:51:13,731 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2023-11-26 11:51:13,731 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce929d4b8e516d9e6e8f9406197408f50e5e07a2a68710af0cc8588994ada67a
[2023-11-26 11:51:14,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-26 11:51:14,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-26 11:51:14,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-26 11:51:14,210 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-26 11:51:14,211 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-26 11:51:14,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound5.i
[2023-11-26 11:51:17,327 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-26 11:51:17,664 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-26 11:51:17,665 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/sv-benchmarks/c/nla-digbench-scaling/knuth_unwindbound5.i
[2023-11-26 11:51:17,677 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/data/1e2598d96/127deba0c2b04259a3ca456250ee6459/FLAG053e0edba
[2023-11-26 11:51:17,700 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/data/1e2598d96/127deba0c2b04259a3ca456250ee6459
[2023-11-26 11:51:17,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-26 11:51:17,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-26 11:51:17,716 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-26 11:51:17,716 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-26 11:51:17,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-26 11:51:17,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:51:17" (1/1) ...
[2023-11-26 11:51:17,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e86908b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:17, skipping insertion in model container
[2023-11-26 11:51:17,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:51:17" (1/1) ...
[2023-11-26 11:51:17,765 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-26 11:51:18,045 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-26 11:51:18,073 INFO L202 MainTranslator]: Completed pre-run
[2023-11-26 11:51:18,123 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-26 11:51:18,150 INFO L206 MainTranslator]: Completed translation
[2023-11-26 11:51:18,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:18 WrapperNode
[2023-11-26 11:51:18,151 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-26 11:51:18,152 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-26 11:51:18,153 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-26 11:51:18,153 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-26 11:51:18,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:18" (1/1) ...
[2023-11-26 11:51:18,188 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:18" (1/1) ...
[2023-11-26 11:51:18,228 INFO L138 Inliner]: procedures = 18, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88
[2023-11-26 11:51:18,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-26 11:51:18,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-26 11:51:18,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-26 11:51:18,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-26 11:51:18,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:18" (1/1) ...
[2023-11-26 11:51:18,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:18" (1/1) ...
[2023-11-26 11:51:18,255 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:18" (1/1) ...
[2023-11-26 11:51:18,275 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0].
[2023-11-26 11:51:18,276 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:18" (1/1) ...
[2023-11-26 11:51:18,276 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:18" (1/1) ...
[2023-11-26 11:51:18,295 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:18" (1/1) ...
[2023-11-26 11:51:18,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:18" (1/1) ...
[2023-11-26 11:51:18,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:18" (1/1) ...
[2023-11-26 11:51:18,319 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:18" (1/1) ...
[2023-11-26 11:51:18,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-26 11:51:18,324 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-26 11:51:18,324 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-26 11:51:18,324 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-26 11:51:18,325 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:18" (1/1) ...
[2023-11-26 11:51:18,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-26 11:51:18,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 11:51:18,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-11-26 11:51:18,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-11-26 11:51:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-26 11:51:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-11-26 11:51:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2023-11-26 11:51:18,451 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-26 11:51:18,452 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-26 11:51:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-26 11:51:18,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-26 11:51:18,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2023-11-26 11:51:18,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2023-11-26 11:51:18,536 INFO L241 CfgBuilder]: Building ICFG
[2023-11-26 11:51:18,539 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-26 11:51:23,830 INFO L282 CfgBuilder]: Performing block encoding
[2023-11-26 11:51:23,863 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-26 11:51:23,863 INFO L309 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-26 11:51:23,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:23 BoogieIcfgContainer
[2023-11-26 11:51:23,864 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-26 11:51:23,867 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-26 11:51:23,867 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-26 11:51:23,870 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-26 11:51:23,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:51:17" (1/3) ...
[2023-11-26 11:51:23,871 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2775e72a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:51:23, skipping insertion in model container
[2023-11-26 11:51:23,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:51:18" (2/3) ...
[2023-11-26 11:51:23,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2775e72a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:51:23, skipping insertion in model container
[2023-11-26 11:51:23,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:23" (3/3) ...
[2023-11-26 11:51:23,873 INFO L112 eAbstractionObserver]: Analyzing ICFG knuth_unwindbound5.i
[2023-11-26 11:51:23,893 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-26 11:51:23,893 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2023-11-26 11:51:23,950 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-26 11:51:23,957 INFO L357 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, mHoare=true, 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;@46c12a6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-26 11:51:23,957 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2023-11-26 11:51:23,961 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 21 states have internal predecessors, (30), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2023-11-26 11:51:23,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2023-11-26 11:51:23,969 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:51:23,969 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:51:23,970 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2023-11-26 11:51:23,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:51:23,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1262785335, now seen corresponding path program 1 times
[2023-11-26 11:51:23,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-26 11:51:23,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [846868989]
[2023-11-26 11:51:23,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:51:23,994 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
[2023-11-26 11:51:23,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/mathsat
[2023-11-26 11:51:23,998 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/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)
[2023-11-26 11:51:24,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/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
[2023-11-26 11:51:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:51:24,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-11-26 11:51:24,447 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 11:51:24,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-11-26 11:51:24,473 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-26 11:51:24,474 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-26 11:51:24,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [846868989]
[2023-11-26 11:51:24,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [846868989] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:51:24,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:51:24,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-11-26 11:51:24,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175298924]
[2023-11-26 11:51:24,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:51:24,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-26 11:51:24,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-26 11:51:24,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-26 11:51:24,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-26 11:51:24,514 INFO L87 Difference]: Start difference. First operand has 30 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 21 states have internal predecessors, (30), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 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)
[2023-11-26 11:51:24,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:51:24,590 INFO L93 Difference]: Finished difference Result 56 states and 86 transitions.
[2023-11-26 11:51:24,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-26 11:51:24,594 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 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 14
[2023-11-26 11:51:24,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:51:24,602 INFO L225 Difference]: With dead ends: 56
[2023-11-26 11:51:24,602 INFO L226 Difference]: Without dead ends: 25
[2023-11-26 11:51:24,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-26 11:51:24,609 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-26 11:51:24,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-26 11:51:24,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2023-11-26 11:51:24,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25.
[2023-11-26 11:51:24,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 16 states have (on average 1.25) internal successors, (20), 16 states have internal predecessors, (20), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2023-11-26 11:51:24,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions.
[2023-11-26 11:51:24,650 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 32 transitions. Word has length 14
[2023-11-26 11:51:24,650 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:51:24,650 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 32 transitions.
[2023-11-26 11:51:24,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 7.0) internal successors, (7), 2 states have internal predecessors, (7), 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)
[2023-11-26 11:51:24,651 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions.
[2023-11-26 11:51:24,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2023-11-26 11:51:24,652 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:51:24,652 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:51:24,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/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
[2023-11-26 11:51:24,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/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
[2023-11-26 11:51:24,866 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2023-11-26 11:51:24,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:51:24,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1541533123, now seen corresponding path program 1 times
[2023-11-26 11:51:24,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-26 11:51:24,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [696864835]
[2023-11-26 11:51:24,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:51:24,868 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
[2023-11-26 11:51:24,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/mathsat
[2023-11-26 11:51:24,870 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/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)
[2023-11-26 11:51:24,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/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
[2023-11-26 11:51:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:51:25,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-26 11:51:25,166 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 11:51:25,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-11-26 11:51:25,626 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-26 11:51:25,626 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-26 11:51:25,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [696864835]
[2023-11-26 11:51:25,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [696864835] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:51:25,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:51:25,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-26 11:51:25,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331949429]
[2023-11-26 11:51:25,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:51:25,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-26 11:51:25,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-26 11:51:25,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-26 11:51:25,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-26 11:51:25,631 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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)
[2023-11-26 11:51:25,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:51:25,905 INFO L93 Difference]: Finished difference Result 30 states and 37 transitions.
[2023-11-26 11:51:25,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-26 11:51:25,907 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 15
[2023-11-26 11:51:25,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:51:25,909 INFO L225 Difference]: With dead ends: 30
[2023-11-26 11:51:25,909 INFO L226 Difference]: Without dead ends: 29
[2023-11-26 11:51:25,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-26 11:51:25,911 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 3 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-26 11:51:25,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 73 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-26 11:51:25,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states.
[2023-11-26 11:51:25,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28.
[2023-11-26 11:51:25,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2023-11-26 11:51:25,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions.
[2023-11-26 11:51:25,925 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 15
[2023-11-26 11:51:25,926 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:51:25,926 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions.
[2023-11-26 11:51:25,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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)
[2023-11-26 11:51:25,927 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions.
[2023-11-26 11:51:25,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2023-11-26 11:51:25,930 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:51:25,930 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:51:25,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/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)] Forceful destruction successful, exit code 0
[2023-11-26 11:51:26,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/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
[2023-11-26 11:51:26,136 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2023-11-26 11:51:26,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:51:26,136 INFO L85 PathProgramCache]: Analyzing trace with hash -396675727, now seen corresponding path program 1 times
[2023-11-26 11:51:26,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-26 11:51:26,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2022343766]
[2023-11-26 11:51:26,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:51:26,137 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
[2023-11-26 11:51:26,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/mathsat
[2023-11-26 11:51:26,139 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/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)
[2023-11-26 11:51:26,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/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
[2023-11-26 11:51:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:51:26,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-26 11:51:26,582 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 11:51:27,930 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2023-11-26 11:51:27,931 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-26 11:51:28,935 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2023-11-26 11:51:28,935 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-26 11:51:28,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2022343766]
[2023-11-26 11:51:28,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2022343766] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-26 11:51:28,936 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-26 11:51:28,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 9
[2023-11-26 11:51:28,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883453926]
[2023-11-26 11:51:28,937 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-26 11:51:28,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-11-26 11:51:28,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-26 11:51:28,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-11-26 11:51:28,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2023-11-26 11:51:28,940 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 10 states have internal predecessors, (34), 4 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12)
[2023-11-26 11:51:33,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:51:33,905 INFO L93 Difference]: Finished difference Result 77 states and 104 transitions.
[2023-11-26 11:51:33,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2023-11-26 11:51:33,906 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 10 states have internal predecessors, (34), 4 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 41
[2023-11-26 11:51:33,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:51:33,909 INFO L225 Difference]: With dead ends: 77
[2023-11-26 11:51:33,909 INFO L226 Difference]: Without dead ends: 76
[2023-11-26 11:51:33,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306
[2023-11-26 11:51:33,912 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 71 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time
[2023-11-26 11:51:33,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 134 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time]
[2023-11-26 11:51:33,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states.
[2023-11-26 11:51:33,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76.
[2023-11-26 11:51:33,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 52 states have (on average 1.25) internal successors, (65), 52 states have internal predecessors, (65), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2023-11-26 11:51:33,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 101 transitions.
[2023-11-26 11:51:33,941 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 101 transitions. Word has length 41
[2023-11-26 11:51:33,942 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:51:33,942 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 101 transitions.
[2023-11-26 11:51:33,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 10 states have internal predecessors, (34), 4 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12)
[2023-11-26 11:51:33,943 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 101 transitions.
[2023-11-26 11:51:33,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120
[2023-11-26 11:51:33,949 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:51:33,949 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:51:33,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/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
[2023-11-26 11:51:34,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/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
[2023-11-26 11:51:34,156 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2023-11-26 11:51:34,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:51:34,157 INFO L85 PathProgramCache]: Analyzing trace with hash 950950779, now seen corresponding path program 2 times
[2023-11-26 11:51:34,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-26 11:51:34,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [387548283]
[2023-11-26 11:51:34,159 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-26 11:51:34,159 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
[2023-11-26 11:51:34,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/mathsat
[2023-11-26 11:51:34,161 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/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)
[2023-11-26 11:51:34,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/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
[2023-11-26 11:51:34,940 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-11-26 11:51:34,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-26 11:51:35,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 11 conjunts are in the unsatisfiable core
[2023-11-26 11:51:35,015 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 11:51:38,780 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked.
[2023-11-26 11:51:38,781 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-26 11:51:42,922 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked.
[2023-11-26 11:51:42,923 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-26 11:51:42,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [387548283]
[2023-11-26 11:51:42,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [387548283] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-26 11:51:42,923 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-26 11:51:42,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 21
[2023-11-26 11:51:42,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237038897]
[2023-11-26 11:51:42,924 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-26 11:51:42,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2023-11-26 11:51:42,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-26 11:51:42,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2023-11-26 11:51:42,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462
[2023-11-26 11:51:42,928 INFO L87 Difference]: Start difference. First operand 76 states and 101 transitions. Second operand has 22 states, 21 states have (on average 3.761904761904762) internal successors, (79), 22 states have internal predecessors, (79), 10 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 10 states have call predecessors, (36), 10 states have call successors, (36)
[2023-11-26 11:52:04,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:52:04,899 INFO L93 Difference]: Finished difference Result 173 states and 239 transitions.
[2023-11-26 11:52:04,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2023-11-26 11:52:04,900 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.761904761904762) internal successors, (79), 22 states have internal predecessors, (79), 10 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 10 states have call predecessors, (36), 10 states have call successors, (36) Word has length 119
[2023-11-26 11:52:04,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:52:04,905 INFO L225 Difference]: With dead ends: 173
[2023-11-26 11:52:04,905 INFO L226 Difference]: Without dead ends: 172
[2023-11-26 11:52:04,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=556, Invalid=1514, Unknown=0, NotChecked=0, Total=2070
[2023-11-26 11:52:04,909 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 220 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time
[2023-11-26 11:52:04,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 725 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 15.2s Time]
[2023-11-26 11:52:04,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states.
[2023-11-26 11:52:04,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172.
[2023-11-26 11:52:04,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 118 states have (on average 1.2627118644067796) internal successors, (149), 118 states have internal predecessors, (149), 42 states have call successors, (42), 11 states have call predecessors, (42), 11 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42)
[2023-11-26 11:52:04,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 233 transitions.
[2023-11-26 11:52:04,954 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 233 transitions. Word has length 119
[2023-11-26 11:52:04,955 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:52:04,956 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 233 transitions.
[2023-11-26 11:52:04,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.761904761904762) internal successors, (79), 22 states have internal predecessors, (79), 10 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 10 states have call predecessors, (36), 10 states have call successors, (36)
[2023-11-26 11:52:04,957 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 233 transitions.
[2023-11-26 11:52:04,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276
[2023-11-26 11:52:04,970 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:52:04,970 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:52:05,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/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)] Forceful destruction successful, exit code 0
[2023-11-26 11:52:05,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/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
[2023-11-26 11:52:05,190 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2023-11-26 11:52:05,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:52:05,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1561479951, now seen corresponding path program 3 times
[2023-11-26 11:52:05,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-26 11:52:05,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1147883528]
[2023-11-26 11:52:05,193 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-11-26 11:52:05,193 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
[2023-11-26 11:52:05,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/mathsat
[2023-11-26 11:52:05,194 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/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)
[2023-11-26 11:52:05,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/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
[2023-11-26 11:52:05,671 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2023-11-26 11:52:05,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-26 11:52:05,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-26 11:52:05,703 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 11:52:06,560 INFO L134 CoverageAnalysis]: Checked inductivity of 3604 backedges. 669 proven. 0 refuted. 0 times theorem prover too weak. 2935 trivial. 0 not checked.
[2023-11-26 11:52:06,561 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-26 11:52:06,561 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-26 11:52:06,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1147883528]
[2023-11-26 11:52:06,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1147883528] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:52:06,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:52:06,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-26 11:52:06,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945031722]
[2023-11-26 11:52:06,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:52:06,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-26 11:52:06,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-26 11:52:06,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-26 11:52:06,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-26 11:52:06,568 INFO L87 Difference]: Start difference. First operand 172 states and 233 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10)
[2023-11-26 11:52:08,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:52:08,327 INFO L93 Difference]: Finished difference Result 172 states and 233 transitions.
[2023-11-26 11:52:08,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-26 11:52:08,342 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 275
[2023-11-26 11:52:08,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:52:08,345 INFO L225 Difference]: With dead ends: 172
[2023-11-26 11:52:08,345 INFO L226 Difference]: Without dead ends: 0
[2023-11-26 11:52:08,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2023-11-26 11:52:08,348 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 16 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2023-11-26 11:52:08,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 66 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2023-11-26 11:52:08,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-26 11:52:08,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-26 11:52:08,350 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)
[2023-11-26 11:52:08,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-26 11:52:08,350 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 275
[2023-11-26 11:52:08,351 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:52:08,351 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-26 11:52:08,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10)
[2023-11-26 11:52:08,351 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-26 11:52:08,351 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-26 11:52:08,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2023-11-26 11:52:08,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2023-11-26 11:52:08,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/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
[2023-11-26 11:52:08,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/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
[2023-11-26 11:52:08,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-26 11:52:09,574 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed.
[2023-11-26 11:52:09,574 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed.
[2023-11-26 11:52:09,574 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-26 11:52:09,574 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 69) no Hoare annotation was computed.
[2023-11-26 11:52:09,574 INFO L899 garLoopResultBuilder]: For program point L46(lines 46 69) no Hoare annotation was computed.
[2023-11-26 11:52:09,575 INFO L899 garLoopResultBuilder]: For program point L44(lines 40 70) no Hoare annotation was computed.
[2023-11-26 11:52:09,575 INFO L895 garLoopResultBuilder]: At program point L42(line 42) the Hoare annotation is: (bvslt (bvadd (_ bv4294967295 32) ~counter~0) (_ bv5 32))
[2023-11-26 11:52:09,575 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-26 11:52:09,575 INFO L899 garLoopResultBuilder]: For program point L40-1(line 40) no Hoare annotation was computed.
[2023-11-26 11:52:09,575 INFO L899 garLoopResultBuilder]: For program point L40-2(line 40) no Hoare annotation was computed.
[2023-11-26 11:52:09,576 INFO L899 garLoopResultBuilder]: For program point L40-3(lines 40 70) no Hoare annotation was computed.
[2023-11-26 11:52:09,576 INFO L899 garLoopResultBuilder]: For program point L40-5(lines 40 70) no Hoare annotation was computed.
[2023-11-26 11:52:09,576 INFO L895 garLoopResultBuilder]: At program point L32(line 32) the Hoare annotation is: (= ~counter~0 (_ bv0 32))
[2023-11-26 11:52:09,576 INFO L895 garLoopResultBuilder]: At program point L32-1(line 32) the Hoare annotation is: (= ~counter~0 (_ bv0 32))
[2023-11-26 11:52:09,576 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed.
[2023-11-26 11:52:09,576 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 69) no Hoare annotation was computed.
[2023-11-26 11:52:09,577 INFO L895 garLoopResultBuilder]: At program point L57-2(lines 40 70) the Hoare annotation is: (bvslt (bvadd (_ bv4294967295 32) ~counter~0) (_ bv5 32))
[2023-11-26 11:52:09,577 INFO L895 garLoopResultBuilder]: At program point L43(line 43) the Hoare annotation is: (bvslt (bvadd (_ bv4294967295 32) ~counter~0) (_ bv5 32))
[2023-11-26 11:52:09,577 INFO L895 garLoopResultBuilder]: At program point L41(line 41) the Hoare annotation is: (bvslt (bvadd (_ bv4294967295 32) ~counter~0) (_ bv5 32))
[2023-11-26 11:52:09,577 INFO L895 garLoopResultBuilder]: At program point L41-1(line 41) the Hoare annotation is: (bvslt (bvadd (_ bv4294967295 32) ~counter~0) (_ bv5 32))
[2023-11-26 11:52:09,577 INFO L899 garLoopResultBuilder]: For program point L16(line 16) no Hoare annotation was computed.
[2023-11-26 11:52:09,577 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 15 17) no Hoare annotation was computed.
[2023-11-26 11:52:09,578 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 15 17) the Hoare annotation is: true
[2023-11-26 11:52:09,578 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 15 17) no Hoare annotation was computed.
[2023-11-26 11:52:09,578 INFO L899 garLoopResultBuilder]: For program point L19(lines 19 22) no Hoare annotation was computed.
[2023-11-26 11:52:09,578 INFO L899 garLoopResultBuilder]: For program point L19-2(lines 18 24) no Hoare annotation was computed.
[2023-11-26 11:52:09,578 INFO L899 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed.
[2023-11-26 11:52:09,578 INFO L899 garLoopResultBuilder]: For program point L12-2(line 12) no Hoare annotation was computed.
[2023-11-26 11:52:09,579 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 18 24) no Hoare annotation was computed.
[2023-11-26 11:52:09,579 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 18 24) the Hoare annotation is: true
[2023-11-26 11:52:09,583 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1]
[2023-11-26 11:52:09,586 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-26 11:52:09,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:52:09 BoogieIcfgContainer
[2023-11-26 11:52:09,596 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-26 11:52:09,596 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-26 11:52:09,597 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-26 11:52:09,597 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-26 11:52:09,597 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:51:23" (3/4) ...
[2023-11-26 11:52:09,599 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-26 11:52:09,603 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not
[2023-11-26 11:52:09,603 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert
[2023-11-26 11:52:09,608 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges
[2023-11-26 11:52:09,609 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2023-11-26 11:52:09,609 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-11-26 11:52:09,609 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-26 11:52:09,610 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-26 11:52:09,726 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/witness.graphml
[2023-11-26 11:52:09,726 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/witness.yml
[2023-11-26 11:52:09,726 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-26 11:52:09,727 INFO L158 Benchmark]: Toolchain (without parser) took 52013.95ms. Allocated memory is still 94.4MB. Free memory was 70.2MB in the beginning and 61.6MB in the end (delta: 8.5MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB.
[2023-11-26 11:52:09,727 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 67.1MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 84.7kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-26 11:52:09,728 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.63ms. Allocated memory is still 94.4MB. Free memory was 69.9MB in the beginning and 57.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-26 11:52:09,728 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.99ms. Allocated memory is still 94.4MB. Free memory was 57.2MB in the beginning and 55.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-26 11:52:09,729 INFO L158 Benchmark]: Boogie Preprocessor took 92.86ms. Allocated memory is still 94.4MB. Free memory was 55.3MB in the beginning and 53.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-26 11:52:09,729 INFO L158 Benchmark]: RCFGBuilder took 5540.81ms. Allocated memory is still 94.4MB. Free memory was 53.0MB in the beginning and 57.1MB in the end (delta: -4.1MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB.
[2023-11-26 11:52:09,729 INFO L158 Benchmark]: TraceAbstraction took 45729.30ms. Allocated memory is still 94.4MB. Free memory was 56.5MB in the beginning and 66.1MB in the end (delta: -9.6MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB.
[2023-11-26 11:52:09,730 INFO L158 Benchmark]: Witness Printer took 129.98ms. Allocated memory is still 94.4MB. Free memory was 66.1MB in the beginning and 61.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-26 11:52:09,734 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.27ms. Allocated memory is still 67.1MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 84.7kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 435.63ms. Allocated memory is still 94.4MB. Free memory was 69.9MB in the beginning and 57.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 75.99ms. Allocated memory is still 94.4MB. Free memory was 57.2MB in the beginning and 55.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 92.86ms. Allocated memory is still 94.4MB. Free memory was 55.3MB in the beginning and 53.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 5540.81ms. Allocated memory is still 94.4MB. Free memory was 53.0MB in the beginning and 57.1MB in the end (delta: -4.1MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 45729.30ms. Allocated memory is still 94.4MB. Free memory was 56.5MB in the beginning and 66.1MB in the end (delta: -9.6MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB.
* Witness Printer took 129.98ms. Allocated memory is still 94.4MB. Free memory was 66.1MB in the beginning and 61.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. 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: 40]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 40]: 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, 30 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 45.7s, OverallIterations: 5, TraceHistogramMax: 40, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 29.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 310 SdHoareTripleChecker+Valid, 20.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 310 mSDsluCounter, 1031 SdHoareTripleChecker+Invalid, 19.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 837 mSDsCounter, 82 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 525 IncrementalHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 82 mSolverCounterUnsat, 194 mSDtfsCounter, 525 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 657 GetRequests, 589 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 384 ImplicationChecksByTransitivity, 13.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=172occurred in iteration=4, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 54 PreInvPairs, 106 NumberOfFragments, 33 HoareAnnotationTreeSize, 54 FomulaSimplifications, 946 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 539 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 11.8s InterpolantComputationTime, 464 NumberOfCodeBlocks, 215 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 617 ConstructedInterpolants, 0 QuantifiedInterpolants, 1459 SizeOfPredicates, 14 NumberOfNonLiveVariables, 439 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 4252/4786 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
- AllSpecificationsHoldResult: All specifications hold
2 specifications checked. All of them hold
- InvariantResult [Line: 40]: Loop Invariant
Derived loop invariant: (((-1 + counter) % 4294967296) < 5)
RESULT: Ultimate proved your program to be correct!
[2023-11-26 11:52:09,986 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process
[2023-11-26 11:52:09,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194cb39c-036b-4ced-a63f-041b5e2b9e0f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE