./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for overflows
Using default analysis
Version 9bd2c7ff
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_888d3b7f-a257-4c76-b547-0cb1ced2879e/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888d3b7f-a257-4c76-b547-0cb1ced2879e/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888d3b7f-a257-4c76-b547-0cb1ced2879e/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888d3b7f-a257-4c76-b547-0cb1ced2879e/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888d3b7f-a257-4c76-b547-0cb1ced2879e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888d3b7f-a257-4c76-b547-0cb1ced2879e/bin/uautomizer-verify-uCwYo4JHxu --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 ecbe73983438c23c42e2ed0d81896f3aad03ba3c52d7d8ba5ad74018d0035eda
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:56:35,880 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:56:36,001 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888d3b7f-a257-4c76-b547-0cb1ced2879e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2023-11-19 07:56:36,006 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:56:36,007 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:56:36,037 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:56:36,039 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:56:36,040 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:56:36,041 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:56:36,046 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:56:36,048 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:56:36,048 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-19 07:56:36,049 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-19 07:56:36,051 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:56:36,051 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:56:36,052 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-19 07:56:36,052 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-19 07:56:36,053 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-19 07:56:36,053 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-19 07:56:36,054 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:56:36,054 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:56:36,055 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:56:36,055 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=true
[2023-11-19 07:56:36,056 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-19 07:56:36,056 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-19 07:56:36,057 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-19 07:56:36,057 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-19 07:56:36,058 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:56:36,059 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-19 07:56:36,059 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-19 07:56:36,060 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:56:36,061 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:56:36,061 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:56:36,062 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:56:36,062 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-19 07:56:36,062 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:56:36,063 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:56:36,063 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:56:36,074 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:56:36,074 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:56:36,074 INFO  L153        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:56:36,075 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_888d3b7f-a257-4c76-b547-0cb1ced2879e/bin/uautomizer-verify-uCwYo4JHxu/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_888d3b7f-a257-4c76-b547-0cb1ced2879e/bin/uautomizer-verify-uCwYo4JHxu
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 -> ecbe73983438c23c42e2ed0d81896f3aad03ba3c52d7d8ba5ad74018d0035eda
[2023-11-19 07:56:36,375 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:56:36,414 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:56:36,417 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:56:36,418 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-19 07:56:36,419 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-19 07:56:36,420 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888d3b7f-a257-4c76-b547-0cb1ced2879e/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i
[2023-11-19 07:56:39,616 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:56:39,877 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-19 07:56:39,877 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888d3b7f-a257-4c76-b547-0cb1ced2879e/sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i
[2023-11-19 07:56:39,887 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888d3b7f-a257-4c76-b547-0cb1ced2879e/bin/uautomizer-verify-uCwYo4JHxu/data/a5ef0842d/da330ac231bb499abdff88aa5bc4407c/FLAG6025acc4c
[2023-11-19 07:56:39,903 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888d3b7f-a257-4c76-b547-0cb1ced2879e/bin/uautomizer-verify-uCwYo4JHxu/data/a5ef0842d/da330ac231bb499abdff88aa5bc4407c
[2023-11-19 07:56:39,912 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:56:39,918 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:56:39,919 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:56:39,919 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:56:39,929 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:56:39,930 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:39" (1/1) ...
[2023-11-19 07:56:39,934 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f676e1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:39, skipping insertion in model container
[2023-11-19 07:56:39,934 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:39" (1/1) ...
[2023-11-19 07:56:39,962 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:56:40,156 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:56:40,166 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-19 07:56:40,184 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:56:40,200 INFO  L206         MainTranslator]: Completed translation
[2023-11-19 07:56:40,201 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:40 WrapperNode
[2023-11-19 07:56:40,201 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:56:40,202 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:56:40,202 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:56:40,203 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:56:40,211 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:40" (1/1) ...
[2023-11-19 07:56:40,223 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:40" (1/1) ...
[2023-11-19 07:56:40,244 INFO  L138                Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47
[2023-11-19 07:56:40,245 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:56:40,246 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:56:40,247 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:56:40,247 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:56:40,257 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:40" (1/1) ...
[2023-11-19 07:56:40,258 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:40" (1/1) ...
[2023-11-19 07:56:40,272 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:40" (1/1) ...
[2023-11-19 07:56:40,273 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:40" (1/1) ...
[2023-11-19 07:56:40,276 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:40" (1/1) ...
[2023-11-19 07:56:40,280 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:40" (1/1) ...
[2023-11-19 07:56:40,281 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:40" (1/1) ...
[2023-11-19 07:56:40,282 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:40" (1/1) ...
[2023-11-19 07:56:40,284 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:56:40,286 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:56:40,286 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:56:40,297 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:56:40,298 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:40" (1/1) ...
[2023-11-19 07:56:40,305 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:56:40,319 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888d3b7f-a257-4c76-b547-0cb1ced2879e/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:56:40,338 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888d3b7f-a257-4c76-b547-0cb1ced2879e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:56:40,372 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888d3b7f-a257-4c76-b547-0cb1ced2879e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:56:40,392 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:56:40,393 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:56:40,393 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:56:40,393 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:56:40,472 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-19 07:56:40,475 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:56:40,628 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-19 07:56:40,637 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:56:40,637 INFO  L302             CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-19 07:56:40,644 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:40 BoogieIcfgContainer
[2023-11-19 07:56:40,644 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:56:40,658 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:56:40,658 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:56:40,662 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:56:40,662 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:56:39" (1/3) ...
[2023-11-19 07:56:40,663 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa2bca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:40, skipping insertion in model container
[2023-11-19 07:56:40,663 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:40" (2/3) ...
[2023-11-19 07:56:40,664 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa2bca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:40, skipping insertion in model container
[2023-11-19 07:56:40,664 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:40" (3/3) ...
[2023-11-19 07:56:40,666 INFO  L112   eAbstractionObserver]: Analyzing ICFG benchmark05_conjunctive.i
[2023-11-19 07:56:40,684 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:56:40,684 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2023-11-19 07:56:40,736 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:56:40,745 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;@621f244d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:56:40,745 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2023-11-19 07:56:40,750 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 21 states, 16 states have (on average 1.625) internal successors, (26), 20 states have internal predecessors, (26), 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)
[2023-11-19 07:56:40,757 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2023-11-19 07:56:40,758 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:56:40,758 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2023-11-19 07:56:40,759 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 07:56:40,766 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:40,767 INFO  L85        PathProgramCache]: Analyzing trace with hash 28695973, now seen corresponding path program 1 times
[2023-11-19 07:56:40,778 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:40,779 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752615418]
[2023-11-19 07:56:40,779 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:40,780 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:40,899 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:41,013 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:56:41,014 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:41,014 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752615418]
[2023-11-19 07:56:41,015 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752615418] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:41,015 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:41,015 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:56:41,017 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515238131]
[2023-11-19 07:56:41,018 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:41,022 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:56:41,023 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:41,072 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:56:41,072 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:56:41,075 INFO  L87              Difference]: Start difference. First operand  has 21 states, 16 states have (on average 1.625) internal successors, (26), 20 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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)
[2023-11-19 07:56:41,165 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:41,165 INFO  L93              Difference]: Finished difference Result 29 states and 35 transitions.
[2023-11-19 07:56:41,166 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-19 07:56:41,168 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5
[2023-11-19 07:56:41,168 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:41,177 INFO  L225             Difference]: With dead ends: 29
[2023-11-19 07:56:41,177 INFO  L226             Difference]: Without dead ends: 12
[2023-11-19 07:56:41,181 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:56:41,185 INFO  L413           NwaCegarLoop]: 15 mSDtfsCounter, 16 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:41,187 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 29 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:56:41,203 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12 states.
[2023-11-19 07:56:41,215 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12.
[2023-11-19 07:56:41,217 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 12 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 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)
[2023-11-19 07:56:41,217 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions.
[2023-11-19 07:56:41,219 INFO  L78                 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 5
[2023-11-19 07:56:41,219 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:41,220 INFO  L495      AbstractCegarLoop]: Abstraction has 12 states and 13 transitions.
[2023-11-19 07:56:41,220 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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)
[2023-11-19 07:56:41,220 INFO  L276                IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions.
[2023-11-19 07:56:41,221 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-19 07:56:41,221 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:56:41,221 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:41,222 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:56:41,222 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 07:56:41,223 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:41,223 INFO  L85        PathProgramCache]: Analyzing trace with hash 889575213, now seen corresponding path program 1 times
[2023-11-19 07:56:41,224 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:41,224 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387475917]
[2023-11-19 07:56:41,224 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:41,225 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:41,242 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:41,340 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:56:41,341 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:41,341 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387475917]
[2023-11-19 07:56:41,341 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387475917] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:41,342 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:41,342 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:56:41,342 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201399759]
[2023-11-19 07:56:41,342 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:41,344 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:56:41,344 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:41,345 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:56:41,345 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:56:41,346 INFO  L87              Difference]: Start difference. First operand 12 states and 13 transitions. Second operand  has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:56:41,392 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:41,393 INFO  L93              Difference]: Finished difference Result 13 states and 14 transitions.
[2023-11-19 07:56:41,393 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-19 07:56:41,394 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2023-11-19 07:56:41,394 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:41,395 INFO  L225             Difference]: With dead ends: 13
[2023-11-19 07:56:41,395 INFO  L226             Difference]: Without dead ends: 12
[2023-11-19 07:56:41,395 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:56:41,397 INFO  L413           NwaCegarLoop]: 8 mSDtfsCounter, 13 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:41,398 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 21 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:56:41,400 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12 states.
[2023-11-19 07:56:41,402 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11.
[2023-11-19 07:56:41,402 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:56:41,403 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions.
[2023-11-19 07:56:41,403 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 6
[2023-11-19 07:56:41,404 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:41,404 INFO  L495      AbstractCegarLoop]: Abstraction has 11 states and 12 transitions.
[2023-11-19 07:56:41,404 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:56:41,404 INFO  L276                IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions.
[2023-11-19 07:56:41,405 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2023-11-19 07:56:41,405 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:56:41,405 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:41,406 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:56:41,406 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 07:56:41,407 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:41,407 INFO  L85        PathProgramCache]: Analyzing trace with hash 183289487, now seen corresponding path program 1 times
[2023-11-19 07:56:41,407 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:41,408 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69493719]
[2023-11-19 07:56:41,408 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:41,415 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:41,454 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:41,545 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:56:41,545 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:41,545 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69493719]
[2023-11-19 07:56:41,546 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69493719] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:41,546 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:41,546 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:56:41,547 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169955541]
[2023-11-19 07:56:41,547 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:41,547 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:56:41,548 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:41,548 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:56:41,549 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:56:41,549 INFO  L87              Difference]: Start difference. First operand 11 states and 12 transitions. Second operand  has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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)
[2023-11-19 07:56:41,590 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:41,590 INFO  L93              Difference]: Finished difference Result 11 states and 12 transitions.
[2023-11-19 07:56:41,591 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-19 07:56:41,591 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2023-11-19 07:56:41,592 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:41,592 INFO  L225             Difference]: With dead ends: 11
[2023-11-19 07:56:41,592 INFO  L226             Difference]: Without dead ends: 10
[2023-11-19 07:56:41,593 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:56:41,595 INFO  L413           NwaCegarLoop]: 5 mSDtfsCounter, 6 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:41,596 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 10 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:56:41,597 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10 states.
[2023-11-19 07:56:41,599 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10.
[2023-11-19 07:56:41,600 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 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)
[2023-11-19 07:56:41,601 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions.
[2023-11-19 07:56:41,601 INFO  L78                 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 8
[2023-11-19 07:56:41,601 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:41,601 INFO  L495      AbstractCegarLoop]: Abstraction has 10 states and 11 transitions.
[2023-11-19 07:56:41,602 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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)
[2023-11-19 07:56:41,602 INFO  L276                IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions.
[2023-11-19 07:56:41,603 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2023-11-19 07:56:41,603 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:56:41,603 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:41,603 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:56:41,604 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 07:56:41,605 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:41,605 INFO  L85        PathProgramCache]: Analyzing trace with hash 1387006858, now seen corresponding path program 1 times
[2023-11-19 07:56:41,605 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:41,606 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749830592]
[2023-11-19 07:56:41,606 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:41,606 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:41,620 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:41,678 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:56:41,678 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:41,678 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749830592]
[2023-11-19 07:56:41,679 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749830592] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:41,679 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:41,679 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:56:41,680 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307870708]
[2023-11-19 07:56:41,680 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:41,680 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:56:41,681 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:41,681 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:56:41,682 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:56:41,682 INFO  L87              Difference]: Start difference. First operand 10 states and 11 transitions. Second operand  has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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)
[2023-11-19 07:56:41,726 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:41,726 INFO  L93              Difference]: Finished difference Result 17 states and 19 transitions.
[2023-11-19 07:56:41,727 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-19 07:56:41,727 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2023-11-19 07:56:41,727 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:41,728 INFO  L225             Difference]: With dead ends: 17
[2023-11-19 07:56:41,728 INFO  L226             Difference]: Without dead ends: 16
[2023-11-19 07:56:41,729 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:56:41,731 INFO  L413           NwaCegarLoop]: 5 mSDtfsCounter, 19 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:41,731 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 14 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:56:41,733 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2023-11-19 07:56:41,737 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16.
[2023-11-19 07:56:41,737 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 16 states, 15 states have (on average 1.2) internal successors, (18), 15 states have internal predecessors, (18), 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)
[2023-11-19 07:56:41,738 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions.
[2023-11-19 07:56:41,738 INFO  L78                 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 9
[2023-11-19 07:56:41,738 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:41,739 INFO  L495      AbstractCegarLoop]: Abstraction has 16 states and 18 transitions.
[2023-11-19 07:56:41,739 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 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)
[2023-11-19 07:56:41,739 INFO  L276                IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions.
[2023-11-19 07:56:41,740 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2023-11-19 07:56:41,740 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:56:41,740 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1]
[2023-11-19 07:56:41,741 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:56:41,741 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2023-11-19 07:56:41,742 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:41,742 INFO  L85        PathProgramCache]: Analyzing trace with hash 1536071985, now seen corresponding path program 1 times
[2023-11-19 07:56:41,742 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:41,743 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654649901]
[2023-11-19 07:56:41,743 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:41,743 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:41,765 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:41,961 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:56:41,961 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:41,962 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654649901]
[2023-11-19 07:56:41,962 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654649901] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:56:41,962 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069872784]
[2023-11-19 07:56:41,962 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:41,963 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:56:41,963 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888d3b7f-a257-4c76-b547-0cb1ced2879e/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:56:41,968 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888d3b7f-a257-4c76-b547-0cb1ced2879e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:56:41,981 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888d3b7f-a257-4c76-b547-0cb1ced2879e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 07:56:42,037 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:42,041 INFO  L262         TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 7 conjunts are in the unsatisfiable core
[2023-11-19 07:56:42,048 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:56:42,178 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:56:42,178 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:56:42,337 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:56:42,337 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069872784] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-19 07:56:42,338 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-19 07:56:42,338 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12
[2023-11-19 07:56:42,338 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965640521]
[2023-11-19 07:56:42,339 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-19 07:56:42,341 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2023-11-19 07:56:42,341 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:42,343 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2023-11-19 07:56:42,346 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156
[2023-11-19 07:56:42,346 INFO  L87              Difference]: Start difference. First operand 16 states and 18 transitions. Second operand  has 13 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 13 states have internal predecessors, (32), 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)
[2023-11-19 07:56:42,543 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:42,543 INFO  L93              Difference]: Finished difference Result 17 states and 19 transitions.
[2023-11-19 07:56:42,544 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-11-19 07:56:42,545 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 13 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15
[2023-11-19 07:56:42,545 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:42,545 INFO  L225             Difference]: With dead ends: 17
[2023-11-19 07:56:42,546 INFO  L226             Difference]: Without dead ends: 0
[2023-11-19 07:56:42,555 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306
[2023-11-19 07:56:42,558 INFO  L413           NwaCegarLoop]: 4 mSDtfsCounter, 19 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:42,565 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 17 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:56:42,566 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 07:56:42,566 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 07:56:42,566 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)
[2023-11-19 07:56:42,567 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 07:56:42,567 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15
[2023-11-19 07:56:42,567 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:42,569 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:56:42,569 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 13 states have internal predecessors, (32), 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)
[2023-11-19 07:56:42,570 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 07:56:42,570 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 07:56:42,572 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2023-11-19 07:56:42,576 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2023-11-19 07:56:42,577 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2023-11-19 07:56:42,577 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2023-11-19 07:56:42,601 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888d3b7f-a257-4c76-b547-0cb1ced2879e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-19 07:56:42,784 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888d3b7f-a257-4c76-b547-0cb1ced2879e/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:56:42,786 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-19 07:56:42,856 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed.
[2023-11-19 07:56:42,856 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-19 07:56:42,856 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed.
[2023-11-19 07:56:42,857 INFO  L899   garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed.
[2023-11-19 07:56:42,857 INFO  L899   garLoopResultBuilder]: For program point L25-1(line 25) no Hoare annotation was computed.
[2023-11-19 07:56:42,857 INFO  L899   garLoopResultBuilder]: For program point L23(line 23) no Hoare annotation was computed.
[2023-11-19 07:56:42,857 INFO  L899   garLoopResultBuilder]: For program point L15(lines 15 17) no Hoare annotation was computed.
[2023-11-19 07:56:42,858 INFO  L899   garLoopResultBuilder]: For program point L11(line 11) no Hoare annotation was computed.
[2023-11-19 07:56:42,858 INFO  L899   garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-19 07:56:42,858 INFO  L899   garLoopResultBuilder]: For program point main_returnLabel#1(lines 19 30) no Hoare annotation was computed.
[2023-11-19 07:56:42,858 INFO  L899   garLoopResultBuilder]: For program point L11-2(line 11) no Hoare annotation was computed.
[2023-11-19 07:56:42,859 INFO  L899   garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-19 07:56:42,860 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed.
[2023-11-19 07:56:42,861 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed.
[2023-11-19 07:56:42,862 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-19 07:56:42,865 INFO  L899   garLoopResultBuilder]: For program point L26(line 26) no Hoare annotation was computed.
[2023-11-19 07:56:42,866 INFO  L899   garLoopResultBuilder]: For program point L26-1(line 26) no Hoare annotation was computed.
[2023-11-19 07:56:42,866 INFO  L899   garLoopResultBuilder]: For program point L26-2(line 26) no Hoare annotation was computed.
[2023-11-19 07:56:42,866 INFO  L895   garLoopResultBuilder]: At program point L26-4(lines 24 27) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~n~0#1| 2147483647)) (.cse1 (<= 0 |ULTIMATE.start_main_~x~0#1|)) (.cse2 (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_main_~y~0#1| 2147483646) .cse2) (and .cse0 .cse1 (<= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~x~0#1|) .cse2)))
[2023-11-19 07:56:42,867 INFO  L899   garLoopResultBuilder]: For program point L24-2(lines 24 27) no Hoare annotation was computed.
[2023-11-19 07:56:42,868 INFO  L899   garLoopResultBuilder]: For program point L14(lines 14 18) no Hoare annotation was computed.
[2023-11-19 07:56:42,873 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-11-19 07:56:42,876 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:56:42,895 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:56:42 BoogieIcfgContainer
[2023-11-19 07:56:42,902 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:56:42,903 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:56:42,903 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:56:42,903 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-19 07:56:42,903 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:40" (3/4) ...
[2023-11-19 07:56:42,906 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:56:42,918 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges
[2023-11-19 07:56:42,918 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-11-19 07:56:42,919 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-19 07:56:42,919 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:56:43,046 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888d3b7f-a257-4c76-b547-0cb1ced2879e/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:56:43,046 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888d3b7f-a257-4c76-b547-0cb1ced2879e/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:56:43,047 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:56:43,048 INFO  L158              Benchmark]: Toolchain (without parser) took 3130.08ms. Allocated memory was 117.4MB in the beginning and 148.9MB in the end (delta: 31.5MB). Free memory was 80.2MB in the beginning and 103.5MB in the end (delta: -23.4MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB.
[2023-11-19 07:56:43,049 INFO  L158              Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 88.5MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:56:43,049 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 282.34ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 69.9MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-19 07:56:43,050 INFO  L158              Benchmark]: Boogie Procedure Inliner took 43.18ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 68.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:56:43,050 INFO  L158              Benchmark]: Boogie Preprocessor took 38.54ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 67.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:56:43,051 INFO  L158              Benchmark]: RCFGBuilder took 364.26ms. Allocated memory is still 117.4MB. Free memory was 67.2MB in the beginning and 57.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-19 07:56:43,051 INFO  L158              Benchmark]: TraceAbstraction took 2243.90ms. Allocated memory was 117.4MB in the beginning and 148.9MB in the end (delta: 31.5MB). Free memory was 56.5MB in the beginning and 107.7MB in the end (delta: -51.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:56:43,052 INFO  L158              Benchmark]: Witness Printer took 144.28ms. Allocated memory is still 148.9MB. Free memory was 107.7MB in the beginning and 103.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 07:56:43,055 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 88.5MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 282.34ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 69.9MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 43.18ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 68.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 38.54ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 67.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 364.26ms. Allocated memory is still 117.4MB. Free memory was 67.2MB in the beginning and 57.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * TraceAbstraction took 2243.90ms. Allocated memory was 117.4MB in the beginning and 148.9MB in the end (delta: 31.5MB). Free memory was 56.5MB in the beginning and 107.7MB in the end (delta: -51.2MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 144.28ms. Allocated memory is still 148.9MB. Free memory was 107.7MB in the beginning and 103.5MB in the end (delta: 4.2MB). 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: 25]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 25]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 26]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 26]: 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 1 procedures, 21 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 73 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 73 mSDsluCounter, 91 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 54 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 124 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 37 mSDtfsCounter, 124 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 3 NumberOfFragments, 31 HoareAnnotationTreeSize, 1 FomulaSimplifications, 45 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 210 SizeOfPredicates, 5 NumberOfNonLiveVariables, 52 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 8/18 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
    4 specifications checked. All of them hold
  - InvariantResult [Line: 24]: Loop Invariant
    Derived loop invariant: (((((n <= 2147483647) && (0 <= x)) && (y <= 2147483646)) && (0 <= (y + 2147483648))) || ((((n <= 2147483647) && (0 <= x)) && (y <= x)) && (0 <= (y + 2147483648))))
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:56:43,092 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888d3b7f-a257-4c76-b547-0cb1ced2879e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE