./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i --full-output --architecture 32bit


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


Checking for overflows
Using default analysis
Version 826ab2ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd --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 4be4b344509b887bc91f2389f98de1e4ff745494aee0f078864fd49e79b0b4b8
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-826ab2b
[2024-11-13 16:02:45,104 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-13 16:02:45,188 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-13 16:02:45,194 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-13 16:02:45,194 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-13 16:02:45,218 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-13 16:02:45,218 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-13 16:02:45,219 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-13 16:02:45,219 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-13 16:02:45,219 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-13 16:02:45,219 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-13 16:02:45,219 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-13 16:02:45,220 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-13 16:02:45,220 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-13 16:02:45,220 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-13 16:02:45,220 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-13 16:02:45,220 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-13 16:02:45,221 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-13 16:02:45,221 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-13 16:02:45,221 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-13 16:02:45,221 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-13 16:02:45,221 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-13 16:02:45,221 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-13 16:02:45,222 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-13 16:02:45,222 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-13 16:02:45,222 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-13 16:02:45,222 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-13 16:02:45,222 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-13 16:02:45,222 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-13 16:02:45,222 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-13 16:02:45,223 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-13 16:02:45,223 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-13 16:02:45,223 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-13 16:02:45,223 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-13 16:02:45,223 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 16:02:45,223 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-13 16:02:45,224 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-13 16:02:45,224 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-13 16:02:45,224 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-13 16:02:45,224 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-13 16:02:45,224 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-13 16:02:45,224 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-13 16:02:45,224 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-13 16:02:45,224 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-13 16:02:45,225 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd
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 -> 4be4b344509b887bc91f2389f98de1e4ff745494aee0f078864fd49e79b0b4b8
[2024-11-13 16:02:45,507 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-13 16:02:45,521 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-13 16:02:45,527 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-13 16:02:45,528 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-13 16:02:45,528 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-13 16:02:45,530 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i
Unable to find full path for "g++"
[2024-11-13 16:02:47,421 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-13 16:02:47,739 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-13 16:02:47,739 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i
[2024-11-13 16:02:47,749 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/data/6b2a75488/f21fe664ba4144c98abd2aaf0d034315/FLAG387dd1d0e
[2024-11-13 16:02:48,015 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/data/6b2a75488/f21fe664ba4144c98abd2aaf0d034315
[2024-11-13 16:02:48,017 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-13 16:02:48,018 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-13 16:02:48,020 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-13 16:02:48,020 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-13 16:02:48,027 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-13 16:02:48,028 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,029 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@194009f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48, skipping insertion in model container
[2024-11-13 16:02:48,029 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,047 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-13 16:02:48,226 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-13 16:02:48,235 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-13 16:02:48,251 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-13 16:02:48,265 INFO  L204         MainTranslator]: Completed translation
[2024-11-13 16:02:48,266 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48 WrapperNode
[2024-11-13 16:02:48,266 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-13 16:02:48,267 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-13 16:02:48,268 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-13 16:02:48,268 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-13 16:02:48,275 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,281 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,297 INFO  L138                Inliner]: procedures = 16, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78
[2024-11-13 16:02:48,297 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-13 16:02:48,298 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-13 16:02:48,298 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-13 16:02:48,298 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-13 16:02:48,306 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,307 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,308 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,318 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-13 16:02:48,319 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,319 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,322 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,325 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,326 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,327 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,329 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-13 16:02:48,330 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-13 16:02:48,330 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-13 16:02:48,330 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-13 16:02:48,331 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48" (1/1) ...
[2024-11-13 16:02:48,337 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 16:02:48,351 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:02:48,366 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-13 16:02:48,373 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-13 16:02:48,401 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-13 16:02:48,401 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-13 16:02:48,401 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-13 16:02:48,401 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-13 16:02:48,402 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-11-13 16:02:48,402 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-11-13 16:02:48,477 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-13 16:02:48,479 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-13 16:02:48,710 INFO  L?                        ?]: Removed 25 outVars from TransFormulas that were not future-live.
[2024-11-13 16:02:48,711 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-13 16:02:48,721 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-13 16:02:48,721 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-13 16:02:48,722 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:02:48 BoogieIcfgContainer
[2024-11-13 16:02:48,722 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-13 16:02:48,725 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-13 16:02:48,725 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-13 16:02:48,729 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-13 16:02:48,730 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:02:48" (1/3) ...
[2024-11-13 16:02:48,730 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@595385cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:02:48, skipping insertion in model container
[2024-11-13 16:02:48,730 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:02:48" (2/3) ...
[2024-11-13 16:02:48,731 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@595385cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:02:48, skipping insertion in model container
[2024-11-13 16:02:48,731 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:02:48" (3/3) ...
[2024-11-13 16:02:48,732 INFO  L112   eAbstractionObserver]: Analyzing ICFG sendmail-close-angle.i
[2024-11-13 16:02:48,748 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-13 16:02:48,751 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to ICFG sendmail-close-angle.i that has 2 procedures, 52 locations, 1 initial locations, 1 loop locations, and 10 error locations.
[2024-11-13 16:02:48,822 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-13 16:02:48,839 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6ad12049, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-13 16:02:48,840 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 10 error locations.
[2024-11-13 16:02:48,844 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 52 states, 32 states have (on average 1.5625) internal successors, (50), 43 states have internal predecessors, (50), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-13 16:02:48,851 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-11-13 16:02:48,852 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 16:02:48,853 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:48,853 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:48,860 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:48,861 INFO  L85        PathProgramCache]: Analyzing trace with hash 1805030953, now seen corresponding path program 1 times
[2024-11-13 16:02:48,870 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:48,871 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458434239]
[2024-11-13 16:02:48,871 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:48,872 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:48,960 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:49,075 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 16:02:49,075 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:49,075 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458434239]
[2024-11-13 16:02:49,076 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458434239] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:02:49,076 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 16:02:49,076 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 16:02:49,079 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675077099]
[2024-11-13 16:02:49,080 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:02:49,084 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 16:02:49,084 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:49,106 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 16:02:49,107 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 16:02:49,109 INFO  L87              Difference]: Start difference. First operand  has 52 states, 32 states have (on average 1.5625) internal successors, (50), 43 states have internal predecessors, (50), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand  has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 16:02:49,185 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:49,185 INFO  L93              Difference]: Finished difference Result 95 states and 128 transitions.
[2024-11-13 16:02:49,188 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-13 16:02:49,190 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7
[2024-11-13 16:02:49,191 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:49,197 INFO  L225             Difference]: With dead ends: 95
[2024-11-13 16:02:49,197 INFO  L226             Difference]: Without dead ends: 44
[2024-11-13 16:02:49,202 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 16:02:49,208 INFO  L432           NwaCegarLoop]: 58 mSDtfsCounter, 29 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:49,209 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 74 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-13 16:02:49,227 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 44 states.
[2024-11-13 16:02:49,250 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44.
[2024-11-13 16:02:49,252 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 44 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 35 states have internal predecessors, (36), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-13 16:02:49,256 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions.
[2024-11-13 16:02:49,258 INFO  L78                 Accepts]: Start accepts. Automaton has 44 states and 52 transitions. Word has length 7
[2024-11-13 16:02:49,258 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:49,258 INFO  L471      AbstractCegarLoop]: Abstraction has 44 states and 52 transitions.
[2024-11-13 16:02:49,258 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 16:02:49,259 INFO  L276                IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions.
[2024-11-13 16:02:49,259 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-11-13 16:02:49,259 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 16:02:49,259 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:49,260 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-13 16:02:49,260 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:49,260 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:49,261 INFO  L85        PathProgramCache]: Analyzing trace with hash 121384750, now seen corresponding path program 1 times
[2024-11-13 16:02:49,261 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:49,261 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38899973]
[2024-11-13 16:02:49,261 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:49,261 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:49,280 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:49,340 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 16:02:49,344 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:49,344 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38899973]
[2024-11-13 16:02:49,344 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38899973] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:02:49,344 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 16:02:49,344 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 16:02:49,344 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003742749]
[2024-11-13 16:02:49,344 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:02:49,345 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 16:02:49,345 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:49,346 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 16:02:49,346 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 16:02:49,346 INFO  L87              Difference]: Start difference. First operand 44 states and 52 transitions. Second operand  has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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)
[2024-11-13 16:02:49,372 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:49,372 INFO  L93              Difference]: Finished difference Result 44 states and 52 transitions.
[2024-11-13 16:02:49,374 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-13 16:02:49,374 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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
[2024-11-13 16:02:49,374 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:49,375 INFO  L225             Difference]: With dead ends: 44
[2024-11-13 16:02:49,376 INFO  L226             Difference]: Without dead ends: 43
[2024-11-13 16:02:49,376 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 16:02:49,377 INFO  L432           NwaCegarLoop]: 47 mSDtfsCounter, 25 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:49,379 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 59 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-13 16:02:49,382 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 43 states.
[2024-11-13 16:02:49,394 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43.
[2024-11-13 16:02:49,395 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 43 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 34 states have internal predecessors, (35), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-13 16:02:49,396 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 51 transitions.
[2024-11-13 16:02:49,396 INFO  L78                 Accepts]: Start accepts. Automaton has 43 states and 51 transitions. Word has length 8
[2024-11-13 16:02:49,396 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:49,398 INFO  L471      AbstractCegarLoop]: Abstraction has 43 states and 51 transitions.
[2024-11-13 16:02:49,398 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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)
[2024-11-13 16:02:49,398 INFO  L276                IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions.
[2024-11-13 16:02:49,399 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2024-11-13 16:02:49,399 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 16:02:49,399 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:49,400 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-13 16:02:49,401 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:49,401 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:49,402 INFO  L85        PathProgramCache]: Analyzing trace with hash 985973847, now seen corresponding path program 1 times
[2024-11-13 16:02:49,402 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:49,402 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217558887]
[2024-11-13 16:02:49,402 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:49,402 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:49,442 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:49,594 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-13 16:02:49,602 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:49,636 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2024-11-13 16:02:49,640 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:49,655 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-13 16:02:49,659 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:49,659 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217558887]
[2024-11-13 16:02:49,659 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217558887] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:02:49,659 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 16:02:49,659 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 16:02:49,659 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004394689]
[2024-11-13 16:02:49,660 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:02:49,660 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 16:02:49,660 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:49,661 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 16:02:49,661 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 16:02:49,662 INFO  L87              Difference]: Start difference. First operand 43 states and 51 transitions. Second operand  has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-13 16:02:49,731 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:49,731 INFO  L93              Difference]: Finished difference Result 56 states and 70 transitions.
[2024-11-13 16:02:49,732 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-13 16:02:49,732 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 22
[2024-11-13 16:02:49,732 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:49,733 INFO  L225             Difference]: With dead ends: 56
[2024-11-13 16:02:49,733 INFO  L226             Difference]: Without dead ends: 54
[2024-11-13 16:02:49,734 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 16:02:49,734 INFO  L432           NwaCegarLoop]: 45 mSDtfsCounter, 4 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:49,735 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 126 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-13 16:02:49,736 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2024-11-13 16:02:49,756 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51.
[2024-11-13 16:02:49,756 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51 states, 32 states have (on average 1.34375) internal successors, (43), 39 states have internal predecessors, (43), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-11-13 16:02:49,760 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 63 transitions.
[2024-11-13 16:02:49,760 INFO  L78                 Accepts]: Start accepts. Automaton has 51 states and 63 transitions. Word has length 22
[2024-11-13 16:02:49,761 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:49,761 INFO  L471      AbstractCegarLoop]: Abstraction has 51 states and 63 transitions.
[2024-11-13 16:02:49,761 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-13 16:02:49,761 INFO  L276                IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions.
[2024-11-13 16:02:49,762 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-11-13 16:02:49,762 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 16:02:49,762 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:49,762 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-13 16:02:49,762 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:49,763 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:49,764 INFO  L85        PathProgramCache]: Analyzing trace with hash 142777112, now seen corresponding path program 1 times
[2024-11-13 16:02:49,764 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:49,764 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945981562]
[2024-11-13 16:02:49,764 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:49,764 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:49,792 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:49,896 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:02:49,899 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:49,912 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:02:49,918 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:49,929 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-13 16:02:49,929 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:49,929 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945981562]
[2024-11-13 16:02:49,929 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945981562] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:02:49,929 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 16:02:49,929 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 16:02:49,930 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473920555]
[2024-11-13 16:02:49,930 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:02:49,930 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 16:02:49,930 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:49,931 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 16:02:49,931 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 16:02:49,931 INFO  L87              Difference]: Start difference. First operand 51 states and 63 transitions. Second operand  has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-13 16:02:49,980 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:49,980 INFO  L93              Difference]: Finished difference Result 58 states and 72 transitions.
[2024-11-13 16:02:49,980 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-13 16:02:49,981 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 23
[2024-11-13 16:02:49,981 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:49,982 INFO  L225             Difference]: With dead ends: 58
[2024-11-13 16:02:49,982 INFO  L226             Difference]: Without dead ends: 56
[2024-11-13 16:02:49,982 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 16:02:49,983 INFO  L432           NwaCegarLoop]: 45 mSDtfsCounter, 3 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:49,984 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 126 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-13 16:02:49,985 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2024-11-13 16:02:49,995 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56.
[2024-11-13 16:02:49,995 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 56 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 42 states have internal predecessors, (46), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-11-13 16:02:50,000 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions.
[2024-11-13 16:02:50,001 INFO  L78                 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 23
[2024-11-13 16:02:50,001 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:50,001 INFO  L471      AbstractCegarLoop]: Abstraction has 56 states and 70 transitions.
[2024-11-13 16:02:50,001 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-13 16:02:50,002 INFO  L276                IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions.
[2024-11-13 16:02:50,006 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2024-11-13 16:02:50,006 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 16:02:50,006 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:50,006 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-13 16:02:50,007 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:50,007 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:50,007 INFO  L85        PathProgramCache]: Analyzing trace with hash 1455396086, now seen corresponding path program 1 times
[2024-11-13 16:02:50,007 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:50,007 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967357869]
[2024-11-13 16:02:50,007 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:50,008 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:50,027 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,113 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:02:50,115 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,119 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:02:50,121 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,125 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-13 16:02:50,125 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:50,125 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967357869]
[2024-11-13 16:02:50,125 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967357869] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:02:50,125 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 16:02:50,125 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 16:02:50,126 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834125326]
[2024-11-13 16:02:50,126 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:02:50,126 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 16:02:50,126 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:50,127 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 16:02:50,127 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 16:02:50,127 INFO  L87              Difference]: Start difference. First operand 56 states and 70 transitions. Second operand  has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-13 16:02:50,163 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:50,163 INFO  L93              Difference]: Finished difference Result 68 states and 83 transitions.
[2024-11-13 16:02:50,164 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-13 16:02:50,164 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (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 26
[2024-11-13 16:02:50,164 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:50,165 INFO  L225             Difference]: With dead ends: 68
[2024-11-13 16:02:50,165 INFO  L226             Difference]: Without dead ends: 66
[2024-11-13 16:02:50,166 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 16:02:50,167 INFO  L432           NwaCegarLoop]: 48 mSDtfsCounter, 10 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:50,167 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 137 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-13 16:02:50,168 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 66 states.
[2024-11-13 16:02:50,175 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 59.
[2024-11-13 16:02:50,176 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 59 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 45 states have internal predecessors, (49), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12)
[2024-11-13 16:02:50,177 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions.
[2024-11-13 16:02:50,177 INFO  L78                 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 26
[2024-11-13 16:02:50,177 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:50,178 INFO  L471      AbstractCegarLoop]: Abstraction has 59 states and 73 transitions.
[2024-11-13 16:02:50,178 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-13 16:02:50,178 INFO  L276                IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions.
[2024-11-13 16:02:50,179 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2024-11-13 16:02:50,179 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 16:02:50,179 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:50,179 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-13 16:02:50,179 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:50,180 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:50,180 INFO  L85        PathProgramCache]: Analyzing trace with hash 1731894541, now seen corresponding path program 1 times
[2024-11-13 16:02:50,180 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:50,180 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632743056]
[2024-11-13 16:02:50,180 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:50,180 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:50,193 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,273 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-13 16:02:50,275 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,279 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2024-11-13 16:02:50,281 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,285 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2024-11-13 16:02:50,287 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,293 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-13 16:02:50,295 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,300 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-13 16:02:50,300 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:50,300 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632743056]
[2024-11-13 16:02:50,300 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632743056] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:02:50,300 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 16:02:50,300 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-13 16:02:50,301 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388737264]
[2024-11-13 16:02:50,301 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:02:50,301 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-13 16:02:50,301 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:50,301 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-13 16:02:50,301 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-13 16:02:50,302 INFO  L87              Difference]: Start difference. First operand 59 states and 73 transitions. Second operand  has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-13 16:02:50,420 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:50,420 INFO  L93              Difference]: Finished difference Result 65 states and 81 transitions.
[2024-11-13 16:02:50,421 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-13 16:02:50,421 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35
[2024-11-13 16:02:50,421 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:50,422 INFO  L225             Difference]: With dead ends: 65
[2024-11-13 16:02:50,422 INFO  L226             Difference]: Without dead ends: 64
[2024-11-13 16:02:50,422 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-13 16:02:50,423 INFO  L432           NwaCegarLoop]: 42 mSDtfsCounter, 4 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:50,423 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 191 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-13 16:02:50,424 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 64 states.
[2024-11-13 16:02:50,431 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 63.
[2024-11-13 16:02:50,432 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 63 states, 40 states have (on average 1.275) internal successors, (51), 47 states have internal predecessors, (51), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-13 16:02:50,433 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions.
[2024-11-13 16:02:50,433 INFO  L78                 Accepts]: Start accepts. Automaton has 63 states and 79 transitions. Word has length 35
[2024-11-13 16:02:50,433 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:50,433 INFO  L471      AbstractCegarLoop]: Abstraction has 63 states and 79 transitions.
[2024-11-13 16:02:50,433 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-13 16:02:50,433 INFO  L276                IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions.
[2024-11-13 16:02:50,434 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2024-11-13 16:02:50,434 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 16:02:50,434 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:50,434 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-13 16:02:50,435 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:50,435 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:50,435 INFO  L85        PathProgramCache]: Analyzing trace with hash -2145843976, now seen corresponding path program 1 times
[2024-11-13 16:02:50,435 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:50,435 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230354495]
[2024-11-13 16:02:50,435 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:50,435 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:50,455 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,584 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-13 16:02:50,586 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,597 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2024-11-13 16:02:50,599 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,604 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2024-11-13 16:02:50,605 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,610 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-13 16:02:50,613 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,617 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-13 16:02:50,619 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:50,619 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230354495]
[2024-11-13 16:02:50,619 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230354495] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:02:50,619 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 16:02:50,619 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-13 16:02:50,619 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30693858]
[2024-11-13 16:02:50,619 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:02:50,620 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-13 16:02:50,620 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:50,620 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-13 16:02:50,620 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-13 16:02:50,621 INFO  L87              Difference]: Start difference. First operand 63 states and 79 transitions. Second operand  has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-13 16:02:50,719 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:50,719 INFO  L93              Difference]: Finished difference Result 65 states and 80 transitions.
[2024-11-13 16:02:50,719 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-13 16:02:50,719 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36
[2024-11-13 16:02:50,720 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:50,720 INFO  L225             Difference]: With dead ends: 65
[2024-11-13 16:02:50,720 INFO  L226             Difference]: Without dead ends: 54
[2024-11-13 16:02:50,721 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-13 16:02:50,721 INFO  L432           NwaCegarLoop]: 43 mSDtfsCounter, 6 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:50,722 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 161 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-13 16:02:50,722 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2024-11-13 16:02:50,736 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54.
[2024-11-13 16:02:50,740 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 42 states have internal predecessors, (44), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-11-13 16:02:50,741 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 64 transitions.
[2024-11-13 16:02:50,741 INFO  L78                 Accepts]: Start accepts. Automaton has 54 states and 64 transitions. Word has length 36
[2024-11-13 16:02:50,741 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:50,741 INFO  L471      AbstractCegarLoop]: Abstraction has 54 states and 64 transitions.
[2024-11-13 16:02:50,741 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-13 16:02:50,742 INFO  L276                IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions.
[2024-11-13 16:02:50,743 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2024-11-13 16:02:50,743 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 16:02:50,743 INFO  L215           NwaCegarLoop]: trace histogram [6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:50,743 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-13 16:02:50,743 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:50,744 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:50,744 INFO  L85        PathProgramCache]: Analyzing trace with hash -1006636983, now seen corresponding path program 1 times
[2024-11-13 16:02:50,744 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:50,744 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025398371]
[2024-11-13 16:02:50,744 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:50,744 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:50,758 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,887 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:02:50,889 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,894 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:02:50,898 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,904 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:02:50,905 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,912 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:02:50,914 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,920 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2024-11-13 16:02:50,921 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,928 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2024-11-13 16:02:50,934 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:50,941 INFO  L134       CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-13 16:02:50,941 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:50,941 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025398371]
[2024-11-13 16:02:50,941 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025398371] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:02:50,941 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219495603]
[2024-11-13 16:02:50,941 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:50,942 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:50,942 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:02:50,947 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:02:50,956 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-13 16:02:51,034 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:51,036 INFO  L255         TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-13 16:02:51,042 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:02:51,160 INFO  L134       CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-13 16:02:51,160 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 16:02:51,160 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219495603] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:02:51,160 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 16:02:51,160 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-13 16:02:51,160 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47094684]
[2024-11-13 16:02:51,160 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:02:51,161 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-13 16:02:51,161 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:51,161 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-13 16:02:51,161 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2024-11-13 16:02:51,162 INFO  L87              Difference]: Start difference. First operand 54 states and 64 transitions. Second operand  has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2024-11-13 16:02:51,246 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:51,246 INFO  L93              Difference]: Finished difference Result 54 states and 64 transitions.
[2024-11-13 16:02:51,246 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-13 16:02:51,247 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51
[2024-11-13 16:02:51,247 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:51,248 INFO  L225             Difference]: With dead ends: 54
[2024-11-13 16:02:51,249 INFO  L226             Difference]: Without dead ends: 52
[2024-11-13 16:02:51,249 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2024-11-13 16:02:51,250 INFO  L432           NwaCegarLoop]: 44 mSDtfsCounter, 6 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:51,250 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 174 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-13 16:02:51,251 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 52 states.
[2024-11-13 16:02:51,256 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52.
[2024-11-13 16:02:51,257 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52 states, 35 states have (on average 1.2) internal successors, (42), 40 states have internal predecessors, (42), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-11-13 16:02:51,258 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions.
[2024-11-13 16:02:51,258 INFO  L78                 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 51
[2024-11-13 16:02:51,258 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:51,258 INFO  L471      AbstractCegarLoop]: Abstraction has 52 states and 62 transitions.
[2024-11-13 16:02:51,258 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2024-11-13 16:02:51,259 INFO  L276                IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions.
[2024-11-13 16:02:51,259 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2024-11-13 16:02:51,259 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 16:02:51,260 INFO  L215           NwaCegarLoop]: trace histogram [6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:51,278 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-13 16:02:51,460 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:51,460 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:51,461 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:51,461 INFO  L85        PathProgramCache]: Analyzing trace with hash -1140975307, now seen corresponding path program 1 times
[2024-11-13 16:02:51,461 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:51,461 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532945129]
[2024-11-13 16:02:51,461 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:51,461 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:51,487 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:51,590 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:02:51,592 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:51,598 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:02:51,600 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:51,603 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:02:51,606 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:51,609 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:02:51,611 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:51,616 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2024-11-13 16:02:51,621 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:51,624 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2024-11-13 16:02:51,629 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:51,635 INFO  L134       CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-13 16:02:51,635 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:51,636 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532945129]
[2024-11-13 16:02:51,636 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532945129] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:02:51,636 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469186883]
[2024-11-13 16:02:51,636 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:51,636 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:51,636 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:02:51,639 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:02:51,642 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-13 16:02:51,703 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:51,704 INFO  L255         TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-13 16:02:51,706 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:02:51,785 INFO  L134       CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-13 16:02:51,786 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-13 16:02:51,931 INFO  L134       CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-13 16:02:51,931 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469186883] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-13 16:02:51,931 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-13 16:02:51,932 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11
[2024-11-13 16:02:51,932 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355760792]
[2024-11-13 16:02:51,932 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-13 16:02:51,932 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-13 16:02:51,932 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:51,933 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-13 16:02:51,933 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132
[2024-11-13 16:02:51,933 INFO  L87              Difference]: Start difference. First operand 52 states and 62 transitions. Second operand  has 12 states, 11 states have (on average 4.636363636363637) internal successors, (51), 12 states have internal predecessors, (51), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14)
[2024-11-13 16:02:52,071 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:52,071 INFO  L93              Difference]: Finished difference Result 90 states and 119 transitions.
[2024-11-13 16:02:52,072 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-11-13 16:02:52,072 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 11 states have (on average 4.636363636363637) internal successors, (51), 12 states have internal predecessors, (51), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 52
[2024-11-13 16:02:52,072 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:52,073 INFO  L225             Difference]: With dead ends: 90
[2024-11-13 16:02:52,073 INFO  L226             Difference]: Without dead ends: 88
[2024-11-13 16:02:52,073 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132
[2024-11-13 16:02:52,074 INFO  L432           NwaCegarLoop]: 40 mSDtfsCounter, 9 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:52,074 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 196 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-13 16:02:52,075 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 88 states.
[2024-11-13 16:02:52,092 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 75.
[2024-11-13 16:02:52,092 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 75 states, 50 states have (on average 1.26) internal successors, (63), 55 states have internal predecessors, (63), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-11-13 16:02:52,096 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 99 transitions.
[2024-11-13 16:02:52,097 INFO  L78                 Accepts]: Start accepts. Automaton has 75 states and 99 transitions. Word has length 52
[2024-11-13 16:02:52,097 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:52,097 INFO  L471      AbstractCegarLoop]: Abstraction has 75 states and 99 transitions.
[2024-11-13 16:02:52,097 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 11 states have (on average 4.636363636363637) internal successors, (51), 12 states have internal predecessors, (51), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14)
[2024-11-13 16:02:52,097 INFO  L276                IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions.
[2024-11-13 16:02:52,098 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2024-11-13 16:02:52,098 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 16:02:52,098 INFO  L215           NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:52,121 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-13 16:02:52,299 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:52,299 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:52,299 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:52,299 INFO  L85        PathProgramCache]: Analyzing trace with hash 901740520, now seen corresponding path program 1 times
[2024-11-13 16:02:52,299 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:52,299 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293035917]
[2024-11-13 16:02:52,299 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:52,300 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:52,312 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:52,412 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:02:52,414 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:52,419 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:02:52,423 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:52,426 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:02:52,428 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:52,431 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:02:52,433 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:52,438 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-13 16:02:52,440 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:52,443 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-13 16:02:52,445 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:52,448 INFO  L134       CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-13 16:02:52,448 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:52,448 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293035917]
[2024-11-13 16:02:52,449 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293035917] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:02:52,449 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75332742]
[2024-11-13 16:02:52,453 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:52,453 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:52,453 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:02:52,457 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:02:52,459 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-13 16:02:52,524 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:52,525 INFO  L255         TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-13 16:02:52,528 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:02:52,626 INFO  L134       CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-13 16:02:52,626 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 16:02:52,626 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [75332742] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:02:52,626 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 16:02:52,626 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-13 16:02:52,627 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381038205]
[2024-11-13 16:02:52,627 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:02:52,627 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-13 16:02:52,627 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:52,628 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-13 16:02:52,628 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-13 16:02:52,628 INFO  L87              Difference]: Start difference. First operand 75 states and 99 transitions. Second operand  has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2024-11-13 16:02:52,684 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:52,684 INFO  L93              Difference]: Finished difference Result 75 states and 99 transitions.
[2024-11-13 16:02:52,685 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-13 16:02:52,685 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 55
[2024-11-13 16:02:52,685 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:52,687 INFO  L225             Difference]: With dead ends: 75
[2024-11-13 16:02:52,687 INFO  L226             Difference]: Without dead ends: 74
[2024-11-13 16:02:52,687 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-13 16:02:52,688 INFO  L432           NwaCegarLoop]: 54 mSDtfsCounter, 23 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:52,688 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 132 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-13 16:02:52,688 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 74 states.
[2024-11-13 16:02:52,707 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74.
[2024-11-13 16:02:52,708 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 74 states, 50 states have (on average 1.22) internal successors, (61), 54 states have internal predecessors, (61), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-11-13 16:02:52,709 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 97 transitions.
[2024-11-13 16:02:52,709 INFO  L78                 Accepts]: Start accepts. Automaton has 74 states and 97 transitions. Word has length 55
[2024-11-13 16:02:52,709 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:52,709 INFO  L471      AbstractCegarLoop]: Abstraction has 74 states and 97 transitions.
[2024-11-13 16:02:52,709 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2024-11-13 16:02:52,710 INFO  L276                IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions.
[2024-11-13 16:02:52,714 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2024-11-13 16:02:52,714 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 16:02:52,715 INFO  L215           NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:52,734 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-13 16:02:52,915 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2024-11-13 16:02:52,915 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:52,916 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:52,916 INFO  L85        PathProgramCache]: Analyzing trace with hash -2110814870, now seen corresponding path program 1 times
[2024-11-13 16:02:52,916 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:52,916 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76788148]
[2024-11-13 16:02:52,916 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:52,916 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:52,929 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,065 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:02:53,067 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,071 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:02:53,072 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,077 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:02:53,079 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,081 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:02:53,083 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,089 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-13 16:02:53,090 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,098 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-13 16:02:53,099 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,107 INFO  L134       CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-13 16:02:53,107 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:53,107 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76788148]
[2024-11-13 16:02:53,107 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76788148] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:02:53,107 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018805144]
[2024-11-13 16:02:53,107 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:53,107 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:53,107 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:02:53,111 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:02:53,113 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-13 16:02:53,181 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,182 INFO  L255         TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-13 16:02:53,184 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:02:53,271 INFO  L134       CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-13 16:02:53,271 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-13 16:02:53,427 INFO  L134       CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-13 16:02:53,427 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018805144] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-13 16:02:53,428 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-13 16:02:53,428 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11
[2024-11-13 16:02:53,428 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857923481]
[2024-11-13 16:02:53,428 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-13 16:02:53,428 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-13 16:02:53,428 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:53,429 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-13 16:02:53,429 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2024-11-13 16:02:53,429 INFO  L87              Difference]: Start difference. First operand 74 states and 97 transitions. Second operand  has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14)
[2024-11-13 16:02:53,573 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:53,573 INFO  L93              Difference]: Finished difference Result 130 states and 169 transitions.
[2024-11-13 16:02:53,573 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-11-13 16:02:53,573 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 56
[2024-11-13 16:02:53,575 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:53,577 INFO  L225             Difference]: With dead ends: 130
[2024-11-13 16:02:53,577 INFO  L226             Difference]: Without dead ends: 129
[2024-11-13 16:02:53,577 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2024-11-13 16:02:53,578 INFO  L432           NwaCegarLoop]: 45 mSDtfsCounter, 39 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:53,579 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 322 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-13 16:02:53,581 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 129 states.
[2024-11-13 16:02:53,597 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 95.
[2024-11-13 16:02:53,598 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 95 states, 65 states have (on average 1.2153846153846153) internal successors, (79), 69 states have internal predecessors, (79), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-13 16:02:53,599 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 127 transitions.
[2024-11-13 16:02:53,599 INFO  L78                 Accepts]: Start accepts. Automaton has 95 states and 127 transitions. Word has length 56
[2024-11-13 16:02:53,600 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:53,600 INFO  L471      AbstractCegarLoop]: Abstraction has 95 states and 127 transitions.
[2024-11-13 16:02:53,600 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14)
[2024-11-13 16:02:53,600 INFO  L276                IsEmpty]: Start isEmpty. Operand 95 states and 127 transitions.
[2024-11-13 16:02:53,601 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2024-11-13 16:02:53,601 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 16:02:53,601 INFO  L215           NwaCegarLoop]: trace histogram [8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:53,621 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-11-13 16:02:53,802 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:53,802 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:53,802 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:53,803 INFO  L85        PathProgramCache]: Analyzing trace with hash -1167725989, now seen corresponding path program 1 times
[2024-11-13 16:02:53,803 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:53,803 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207359014]
[2024-11-13 16:02:53,803 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:53,803 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:53,816 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,954 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:02:53,956 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,959 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:02:53,961 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,964 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:02:53,966 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,970 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:02:53,971 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,974 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2024-11-13 16:02:53,976 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,979 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2024-11-13 16:02:53,982 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,989 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52
[2024-11-13 16:02:53,992 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:53,995 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57
[2024-11-13 16:02:53,999 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:54,005 INFO  L134       CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-13 16:02:54,006 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:54,007 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207359014]
[2024-11-13 16:02:54,007 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207359014] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:02:54,007 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556706852]
[2024-11-13 16:02:54,007 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:54,007 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:54,007 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:02:54,009 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:02:54,012 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-13 16:02:54,073 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:54,077 INFO  L255         TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-13 16:02:54,080 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:02:54,175 INFO  L134       CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-13 16:02:54,175 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 16:02:54,175 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556706852] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:02:54,175 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 16:02:54,175 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9
[2024-11-13 16:02:54,176 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673091272]
[2024-11-13 16:02:54,176 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:02:54,176 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-13 16:02:54,176 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:54,177 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-13 16:02:54,177 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2024-11-13 16:02:54,177 INFO  L87              Difference]: Start difference. First operand 95 states and 127 transitions. Second operand  has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 8 states have internal predecessors, (27), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8)
[2024-11-13 16:02:54,277 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:54,277 INFO  L93              Difference]: Finished difference Result 95 states and 127 transitions.
[2024-11-13 16:02:54,278 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-13 16:02:54,278 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 8 states have internal predecessors, (27), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 64
[2024-11-13 16:02:54,278 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:54,279 INFO  L225             Difference]: With dead ends: 95
[2024-11-13 16:02:54,279 INFO  L226             Difference]: Without dead ends: 94
[2024-11-13 16:02:54,280 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2024-11-13 16:02:54,280 INFO  L432           NwaCegarLoop]: 40 mSDtfsCounter, 5 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:54,281 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 202 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-13 16:02:54,281 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 94 states.
[2024-11-13 16:02:54,295 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94.
[2024-11-13 16:02:54,296 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 94 states, 65 states have (on average 1.2) internal successors, (78), 68 states have internal predecessors, (78), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-13 16:02:54,297 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 126 transitions.
[2024-11-13 16:02:54,297 INFO  L78                 Accepts]: Start accepts. Automaton has 94 states and 126 transitions. Word has length 64
[2024-11-13 16:02:54,298 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:54,298 INFO  L471      AbstractCegarLoop]: Abstraction has 94 states and 126 transitions.
[2024-11-13 16:02:54,298 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 8 states have internal predecessors, (27), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8)
[2024-11-13 16:02:54,298 INFO  L276                IsEmpty]: Start isEmpty. Operand 94 states and 126 transitions.
[2024-11-13 16:02:54,299 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2024-11-13 16:02:54,299 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 16:02:54,300 INFO  L215           NwaCegarLoop]: trace histogram [8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:54,320 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-11-13 16:02:54,504 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:54,504 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:54,505 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:54,505 INFO  L85        PathProgramCache]: Analyzing trace with hash -1839767190, now seen corresponding path program 1 times
[2024-11-13 16:02:54,505 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:54,505 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585258352]
[2024-11-13 16:02:54,505 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:54,505 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:54,519 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:54,657 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:02:54,658 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:54,661 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:02:54,663 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:54,668 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:02:54,670 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:54,674 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:02:54,679 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:54,681 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2024-11-13 16:02:54,684 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:54,686 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44
[2024-11-13 16:02:54,688 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:54,691 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52
[2024-11-13 16:02:54,693 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:54,698 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57
[2024-11-13 16:02:54,699 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:54,702 INFO  L134       CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-13 16:02:54,702 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:54,702 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585258352]
[2024-11-13 16:02:54,702 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585258352] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:02:54,702 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034395302]
[2024-11-13 16:02:54,703 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:54,703 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:54,703 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:02:54,705 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:02:54,708 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-13 16:02:54,766 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:54,767 INFO  L255         TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-13 16:02:54,769 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:02:54,860 INFO  L134       CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-13 16:02:54,861 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-13 16:02:55,050 INFO  L134       CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-13 16:02:55,050 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034395302] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-13 16:02:55,050 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-13 16:02:55,050 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15
[2024-11-13 16:02:55,050 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57071121]
[2024-11-13 16:02:55,050 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-13 16:02:55,053 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-11-13 16:02:55,053 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:55,054 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-11-13 16:02:55,054 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240
[2024-11-13 16:02:55,054 INFO  L87              Difference]: Start difference. First operand 94 states and 126 transitions. Second operand  has 16 states, 15 states have (on average 3.8) internal successors, (57), 16 states have internal predecessors, (57), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18)
[2024-11-13 16:02:55,224 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:55,225 INFO  L93              Difference]: Finished difference Result 110 states and 147 transitions.
[2024-11-13 16:02:55,225 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2024-11-13 16:02:55,225 INFO  L78                 Accepts]: Start accepts. Automaton has  has 16 states, 15 states have (on average 3.8) internal successors, (57), 16 states have internal predecessors, (57), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 65
[2024-11-13 16:02:55,226 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:55,226 INFO  L225             Difference]: With dead ends: 110
[2024-11-13 16:02:55,227 INFO  L226             Difference]: Without dead ends: 89
[2024-11-13 16:02:55,227 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240
[2024-11-13 16:02:55,228 INFO  L432           NwaCegarLoop]: 37 mSDtfsCounter, 9 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:55,228 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 272 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-13 16:02:55,229 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 89 states.
[2024-11-13 16:02:55,240 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89.
[2024-11-13 16:02:55,240 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 89 states, 62 states have (on average 1.1451612903225807) internal successors, (71), 65 states have internal predecessors, (71), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22)
[2024-11-13 16:02:55,241 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 115 transitions.
[2024-11-13 16:02:55,242 INFO  L78                 Accepts]: Start accepts. Automaton has 89 states and 115 transitions. Word has length 65
[2024-11-13 16:02:55,242 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:55,242 INFO  L471      AbstractCegarLoop]: Abstraction has 89 states and 115 transitions.
[2024-11-13 16:02:55,242 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 15 states have (on average 3.8) internal successors, (57), 16 states have internal predecessors, (57), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18)
[2024-11-13 16:02:55,242 INFO  L276                IsEmpty]: Start isEmpty. Operand 89 states and 115 transitions.
[2024-11-13 16:02:55,243 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2024-11-13 16:02:55,243 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 16:02:55,243 INFO  L215           NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:55,263 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2024-11-13 16:02:55,447 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2024-11-13 16:02:55,447 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:55,448 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:55,448 INFO  L85        PathProgramCache]: Analyzing trace with hash 380409204, now seen corresponding path program 1 times
[2024-11-13 16:02:55,448 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:55,448 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777166589]
[2024-11-13 16:02:55,448 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:55,448 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:55,465 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:55,611 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:02:55,612 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:55,615 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:02:55,617 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:55,619 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:02:55,621 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:55,623 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:02:55,624 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:55,627 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-13 16:02:55,628 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:55,631 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-13 16:02:55,632 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:55,635 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-13 16:02:55,636 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:55,638 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2024-11-13 16:02:55,640 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:55,643 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2024-11-13 16:02:55,644 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:55,647 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2024-11-13 16:02:55,649 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:55,652 INFO  L134       CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2024-11-13 16:02:55,652 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:55,652 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777166589]
[2024-11-13 16:02:55,652 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777166589] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:02:55,652 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903251225]
[2024-11-13 16:02:55,652 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:55,652 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:55,652 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:02:55,654 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:02:55,658 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-13 16:02:55,724 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:55,725 INFO  L255         TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-13 16:02:55,728 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:02:55,821 INFO  L134       CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2024-11-13 16:02:55,821 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-13 16:02:55,996 INFO  L134       CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2024-11-13 16:02:55,996 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [903251225] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-13 16:02:55,996 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-13 16:02:55,997 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15
[2024-11-13 16:02:55,997 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792737119]
[2024-11-13 16:02:55,997 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-13 16:02:55,997 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-11-13 16:02:55,997 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:55,998 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-11-13 16:02:55,998 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240
[2024-11-13 16:02:55,998 INFO  L87              Difference]: Start difference. First operand 89 states and 115 transitions. Second operand  has 16 states, 15 states have (on average 4.733333333333333) internal successors, (71), 16 states have internal predecessors, (71), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22)
[2024-11-13 16:02:56,185 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:56,185 INFO  L93              Difference]: Finished difference Result 123 states and 168 transitions.
[2024-11-13 16:02:56,185 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-11-13 16:02:56,186 INFO  L78                 Accepts]: Start accepts. Automaton has  has 16 states, 15 states have (on average 4.733333333333333) internal successors, (71), 16 states have internal predecessors, (71), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 82
[2024-11-13 16:02:56,186 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:56,187 INFO  L225             Difference]: With dead ends: 123
[2024-11-13 16:02:56,187 INFO  L226             Difference]: Without dead ends: 122
[2024-11-13 16:02:56,188 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240
[2024-11-13 16:02:56,188 INFO  L432           NwaCegarLoop]: 41 mSDtfsCounter, 10 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:56,189 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 296 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-13 16:02:56,189 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 122 states.
[2024-11-13 16:02:56,200 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 112.
[2024-11-13 16:02:56,200 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 112 states, 77 states have (on average 1.155844155844156) internal successors, (89), 80 states have internal predecessors, (89), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30)
[2024-11-13 16:02:56,201 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 149 transitions.
[2024-11-13 16:02:56,202 INFO  L78                 Accepts]: Start accepts. Automaton has 112 states and 149 transitions. Word has length 82
[2024-11-13 16:02:56,202 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:56,202 INFO  L471      AbstractCegarLoop]: Abstraction has 112 states and 149 transitions.
[2024-11-13 16:02:56,202 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 15 states have (on average 4.733333333333333) internal successors, (71), 16 states have internal predecessors, (71), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22)
[2024-11-13 16:02:56,203 INFO  L276                IsEmpty]: Start isEmpty. Operand 112 states and 149 transitions.
[2024-11-13 16:02:56,204 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 111
[2024-11-13 16:02:56,204 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 16:02:56,204 INFO  L215           NwaCegarLoop]: trace histogram [14, 14, 14, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:56,224 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2024-11-13 16:02:56,408 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2024-11-13 16:02:56,409 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:56,409 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:56,409 INFO  L85        PathProgramCache]: Analyzing trace with hash -1840413067, now seen corresponding path program 2 times
[2024-11-13 16:02:56,409 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:56,410 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143914678]
[2024-11-13 16:02:56,410 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:56,410 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:56,433 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,587 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:02:56,588 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,590 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:02:56,592 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,593 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:02:56,595 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,597 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:02:56,599 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,603 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-13 16:02:56,605 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,607 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-13 16:02:56,609 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,612 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-13 16:02:56,614 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,617 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2024-11-13 16:02:56,619 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,621 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2024-11-13 16:02:56,622 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,624 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2024-11-13 16:02:56,626 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,628 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-13 16:02:56,630 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,634 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2024-11-13 16:02:56,635 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,637 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97
[2024-11-13 16:02:56,638 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,640 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2024-11-13 16:02:56,642 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,645 INFO  L134       CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-13 16:02:56,645 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:56,645 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143914678]
[2024-11-13 16:02:56,645 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143914678] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:02:56,645 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95707552]
[2024-11-13 16:02:56,645 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-13 16:02:56,646 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:56,646 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:02:56,648 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:02:56,650 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-11-13 16:02:56,725 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-13 16:02:56,725 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-13 16:02:56,726 INFO  L255         TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-13 16:02:56,729 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:02:56,840 INFO  L134       CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-13 16:02:56,841 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-13 16:02:57,070 INFO  L134       CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-13 16:02:57,070 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [95707552] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-13 16:02:57,071 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-13 16:02:57,071 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19
[2024-11-13 16:02:57,071 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883782796]
[2024-11-13 16:02:57,071 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-13 16:02:57,072 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 20 states
[2024-11-13 16:02:57,072 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:57,072 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants.
[2024-11-13 16:02:57,073 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380
[2024-11-13 16:02:57,073 INFO  L87              Difference]: Start difference. First operand 112 states and 149 transitions. Second operand  has 20 states, 19 states have (on average 4.578947368421052) internal successors, (87), 20 states have internal predecessors, (87), 9 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30)
[2024-11-13 16:02:57,277 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:57,277 INFO  L93              Difference]: Finished difference Result 145 states and 198 transitions.
[2024-11-13 16:02:57,277 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-11-13 16:02:57,278 INFO  L78                 Accepts]: Start accepts. Automaton has  has 20 states, 19 states have (on average 4.578947368421052) internal successors, (87), 20 states have internal predecessors, (87), 9 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) Word has length 110
[2024-11-13 16:02:57,278 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:57,279 INFO  L225             Difference]: With dead ends: 145
[2024-11-13 16:02:57,281 INFO  L226             Difference]: Without dead ends: 144
[2024-11-13 16:02:57,281 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380
[2024-11-13 16:02:57,283 INFO  L432           NwaCegarLoop]: 38 mSDtfsCounter, 14 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:57,284 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 300 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-13 16:02:57,284 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 144 states.
[2024-11-13 16:02:57,302 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 125.
[2024-11-13 16:02:57,302 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 125 states, 86 states have (on average 1.1744186046511629) internal successors, (101), 89 states have internal predecessors, (101), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34)
[2024-11-13 16:02:57,303 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 169 transitions.
[2024-11-13 16:02:57,305 INFO  L78                 Accepts]: Start accepts. Automaton has 125 states and 169 transitions. Word has length 110
[2024-11-13 16:02:57,305 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:57,305 INFO  L471      AbstractCegarLoop]: Abstraction has 125 states and 169 transitions.
[2024-11-13 16:02:57,306 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 20 states, 19 states have (on average 4.578947368421052) internal successors, (87), 20 states have internal predecessors, (87), 9 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30)
[2024-11-13 16:02:57,306 INFO  L276                IsEmpty]: Start isEmpty. Operand 125 states and 169 transitions.
[2024-11-13 16:02:57,307 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2024-11-13 16:02:57,307 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 16:02:57,307 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:57,327 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-11-13 16:02:57,511 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:57,512 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:57,512 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:57,512 INFO  L85        PathProgramCache]: Analyzing trace with hash -1699513302, now seen corresponding path program 2 times
[2024-11-13 16:02:57,512 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:57,512 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096037409]
[2024-11-13 16:02:57,512 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:57,513 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:57,539 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,744 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:02:57,745 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,748 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:02:57,749 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,751 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:02:57,753 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,755 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:02:57,756 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,758 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-13 16:02:57,759 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,761 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-13 16:02:57,762 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,764 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-13 16:02:57,765 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,767 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2024-11-13 16:02:57,769 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,772 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2024-11-13 16:02:57,774 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,776 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2024-11-13 16:02:57,778 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,781 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-13 16:02:57,783 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,785 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2024-11-13 16:02:57,786 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,789 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97
[2024-11-13 16:02:57,790 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,792 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102
[2024-11-13 16:02:57,793 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,795 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110
[2024-11-13 16:02:57,796 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,799 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115
[2024-11-13 16:02:57,800 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,804 INFO  L134       CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-13 16:02:57,804 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:57,804 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096037409]
[2024-11-13 16:02:57,804 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096037409] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:02:57,804 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896702189]
[2024-11-13 16:02:57,804 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-13 16:02:57,805 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:57,805 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:02:57,807 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:02:57,810 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-11-13 16:02:57,883 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-13 16:02:57,883 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-13 16:02:57,884 INFO  L255         TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-13 16:02:57,887 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:02:58,004 INFO  L134       CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-13 16:02:58,004 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-13 16:02:58,303 INFO  L134       CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-13 16:02:58,303 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896702189] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-13 16:02:58,303 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-13 16:02:58,303 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23
[2024-11-13 16:02:58,304 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280855522]
[2024-11-13 16:02:58,304 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-13 16:02:58,305 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2024-11-13 16:02:58,305 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:58,306 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2024-11-13 16:02:58,307 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=429, Unknown=0, NotChecked=0, Total=552
[2024-11-13 16:02:58,307 INFO  L87              Difference]: Start difference. First operand 125 states and 169 transitions. Second operand  has 24 states, 23 states have (on average 4.043478260869565) internal successors, (93), 24 states have internal predecessors, (93), 11 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 11 states have call predecessors, (34), 11 states have call successors, (34)
[2024-11-13 16:02:58,546 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:58,546 INFO  L93              Difference]: Finished difference Result 152 states and 205 transitions.
[2024-11-13 16:02:58,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2024-11-13 16:02:58,547 INFO  L78                 Accepts]: Start accepts. Automaton has  has 24 states, 23 states have (on average 4.043478260869565) internal successors, (93), 24 states have internal predecessors, (93), 11 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 11 states have call predecessors, (34), 11 states have call successors, (34) Word has length 123
[2024-11-13 16:02:58,547 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:58,549 INFO  L225             Difference]: With dead ends: 152
[2024-11-13 16:02:58,549 INFO  L226             Difference]: Without dead ends: 125
[2024-11-13 16:02:58,549 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=429, Unknown=0, NotChecked=0, Total=552
[2024-11-13 16:02:58,551 INFO  L432           NwaCegarLoop]: 37 mSDtfsCounter, 21 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:58,551 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 378 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-13 16:02:58,552 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 125 states.
[2024-11-13 16:02:58,564 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 120.
[2024-11-13 16:02:58,565 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 120 states, 83 states have (on average 1.0843373493975903) internal successors, (90), 86 states have internal predecessors, (90), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32)
[2024-11-13 16:02:58,567 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 154 transitions.
[2024-11-13 16:02:58,567 INFO  L78                 Accepts]: Start accepts. Automaton has 120 states and 154 transitions. Word has length 123
[2024-11-13 16:02:58,567 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:58,567 INFO  L471      AbstractCegarLoop]: Abstraction has 120 states and 154 transitions.
[2024-11-13 16:02:58,568 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 24 states, 23 states have (on average 4.043478260869565) internal successors, (93), 24 states have internal predecessors, (93), 11 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 11 states have call predecessors, (34), 11 states have call successors, (34)
[2024-11-13 16:02:58,569 INFO  L276                IsEmpty]: Start isEmpty. Operand 120 states and 154 transitions.
[2024-11-13 16:02:58,570 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 144
[2024-11-13 16:02:58,570 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 16:02:58,570 INFO  L215           NwaCegarLoop]: trace histogram [18, 18, 18, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:58,590 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-11-13 16:02:58,770 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2024-11-13 16:02:58,771 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:02:58,771 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:02:58,771 INFO  L85        PathProgramCache]: Analyzing trace with hash -607621220, now seen corresponding path program 2 times
[2024-11-13 16:02:58,771 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:02:58,771 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683955927]
[2024-11-13 16:02:58,771 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:02:58,772 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:02:58,790 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,000 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:02:59,001 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,003 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:02:59,004 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,006 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:02:59,007 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,009 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:02:59,011 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,012 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-13 16:02:59,014 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,015 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-13 16:02:59,017 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,018 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-13 16:02:59,020 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,021 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2024-11-13 16:02:59,023 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,025 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2024-11-13 16:02:59,026 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,028 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2024-11-13 16:02:59,029 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,031 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-13 16:02:59,032 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,034 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2024-11-13 16:02:59,035 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,037 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-13 16:02:59,038 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,040 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103
[2024-11-13 16:02:59,041 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,043 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114
[2024-11-13 16:02:59,044 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,046 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119
[2024-11-13 16:02:59,047 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,049 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2024-11-13 16:02:59,050 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,052 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2024-11-13 16:02:59,053 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,056 INFO  L134       CoverageAnalysis]: Checked inductivity of 734 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked.
[2024-11-13 16:02:59,056 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:02:59,056 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683955927]
[2024-11-13 16:02:59,056 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683955927] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:02:59,056 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958400592]
[2024-11-13 16:02:59,056 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-13 16:02:59,057 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:02:59,057 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:02:59,059 INFO  L229       MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:02:59,062 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-11-13 16:02:59,142 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-13 16:02:59,142 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-13 16:02:59,144 INFO  L255         TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-13 16:02:59,147 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:02:59,275 INFO  L134       CoverageAnalysis]: Checked inductivity of 734 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked.
[2024-11-13 16:02:59,275 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-13 16:02:59,588 INFO  L134       CoverageAnalysis]: Checked inductivity of 734 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked.
[2024-11-13 16:02:59,588 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958400592] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-13 16:02:59,588 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-13 16:02:59,588 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23
[2024-11-13 16:02:59,588 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469120846]
[2024-11-13 16:02:59,588 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-13 16:02:59,589 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2024-11-13 16:02:59,589 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:02:59,590 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2024-11-13 16:02:59,590 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552
[2024-11-13 16:02:59,591 INFO  L87              Difference]: Start difference. First operand 120 states and 154 transitions. Second operand  has 24 states, 23 states have (on average 5.043478260869565) internal successors, (116), 24 states have internal predecessors, (116), 11 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 11 states have call predecessors, (38), 11 states have call successors, (38)
[2024-11-13 16:02:59,793 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:02:59,793 INFO  L93              Difference]: Finished difference Result 208 states and 274 transitions.
[2024-11-13 16:02:59,794 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2024-11-13 16:02:59,794 INFO  L78                 Accepts]: Start accepts. Automaton has  has 24 states, 23 states have (on average 5.043478260869565) internal successors, (116), 24 states have internal predecessors, (116), 11 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 11 states have call predecessors, (38), 11 states have call successors, (38) Word has length 143
[2024-11-13 16:02:59,795 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:02:59,796 INFO  L225             Difference]: With dead ends: 208
[2024-11-13 16:02:59,796 INFO  L226             Difference]: Without dead ends: 207
[2024-11-13 16:02:59,797 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552
[2024-11-13 16:02:59,797 INFO  L432           NwaCegarLoop]: 44 mSDtfsCounter, 42 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-13 16:02:59,798 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 378 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-13 16:02:59,798 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 207 states.
[2024-11-13 16:02:59,813 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 167.
[2024-11-13 16:02:59,813 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 167 states, 116 states have (on average 1.1293103448275863) internal successors, (131), 119 states have internal predecessors, (131), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46)
[2024-11-13 16:02:59,815 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 223 transitions.
[2024-11-13 16:02:59,815 INFO  L78                 Accepts]: Start accepts. Automaton has 167 states and 223 transitions. Word has length 143
[2024-11-13 16:02:59,816 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:02:59,816 INFO  L471      AbstractCegarLoop]: Abstraction has 167 states and 223 transitions.
[2024-11-13 16:02:59,816 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 24 states, 23 states have (on average 5.043478260869565) internal successors, (116), 24 states have internal predecessors, (116), 11 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 11 states have call predecessors, (38), 11 states have call successors, (38)
[2024-11-13 16:02:59,817 INFO  L276                IsEmpty]: Start isEmpty. Operand 167 states and 223 transitions.
[2024-11-13 16:02:59,819 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 199
[2024-11-13 16:02:59,819 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 16:02:59,819 INFO  L215           NwaCegarLoop]: trace histogram [26, 26, 26, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:02:59,839 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2024-11-13 16:03:00,023 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2024-11-13 16:03:00,023 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:03:00,024 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:03:00,024 INFO  L85        PathProgramCache]: Analyzing trace with hash -1034747916, now seen corresponding path program 2 times
[2024-11-13 16:03:00,024 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:03:00,024 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787372642]
[2024-11-13 16:03:00,024 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:03:00,024 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:03:00,061 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,409 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:03:00,411 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,413 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:03:00,414 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,416 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:03:00,416 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,418 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:03:00,419 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,421 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-13 16:03:00,422 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,424 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-13 16:03:00,425 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,428 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-13 16:03:00,430 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,432 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2024-11-13 16:03:00,433 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,435 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2024-11-13 16:03:00,437 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,438 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2024-11-13 16:03:00,440 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,442 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-13 16:03:00,445 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,447 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2024-11-13 16:03:00,448 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,450 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-13 16:03:00,451 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,453 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103
[2024-11-13 16:03:00,454 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,456 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114
[2024-11-13 16:03:00,457 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,459 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119
[2024-11-13 16:03:00,460 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,462 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2024-11-13 16:03:00,463 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,465 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2024-11-13 16:03:00,466 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,468 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143
[2024-11-13 16:03:00,469 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,470 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2024-11-13 16:03:00,471 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,473 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156
[2024-11-13 16:03:00,474 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,476 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161
[2024-11-13 16:03:00,477 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,479 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172
[2024-11-13 16:03:00,480 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,482 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177
[2024-11-13 16:03:00,483 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,485 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185
[2024-11-13 16:03:00,486 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,487 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190
[2024-11-13 16:03:00,488 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,491 INFO  L134       CoverageAnalysis]: Checked inductivity of 1543 backedges. 0 proven. 243 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-13 16:03:00,491 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:03:00,491 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787372642]
[2024-11-13 16:03:00,491 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787372642] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:03:00,492 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353748779]
[2024-11-13 16:03:00,492 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-13 16:03:00,492 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:03:00,492 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:03:00,494 INFO  L229       MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:03:00,497 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-11-13 16:03:00,593 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-13 16:03:00,593 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-13 16:03:00,598 INFO  L255         TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 15 conjuncts are in the unsatisfiable core
[2024-11-13 16:03:00,602 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:03:00,765 INFO  L134       CoverageAnalysis]: Checked inductivity of 1543 backedges. 0 proven. 243 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-13 16:03:00,766 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-13 16:03:01,272 INFO  L134       CoverageAnalysis]: Checked inductivity of 1543 backedges. 0 proven. 243 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked.
[2024-11-13 16:03:01,273 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353748779] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-13 16:03:01,273 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-13 16:03:01,273 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 31
[2024-11-13 16:03:01,273 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936811600]
[2024-11-13 16:03:01,273 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-13 16:03:01,274 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 32 states
[2024-11-13 16:03:01,275 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:03:01,276 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants.
[2024-11-13 16:03:01,277 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=721, Unknown=0, NotChecked=0, Total=992
[2024-11-13 16:03:01,277 INFO  L87              Difference]: Start difference. First operand 167 states and 223 transitions. Second operand  has 32 states, 31 states have (on average 4.612903225806452) internal successors, (143), 32 states have internal predecessors, (143), 15 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 15 states have call predecessors, (54), 15 states have call successors, (54)
[2024-11-13 16:03:01,586 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:03:01,586 INFO  L93              Difference]: Finished difference Result 241 states and 338 transitions.
[2024-11-13 16:03:01,586 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2024-11-13 16:03:01,587 INFO  L78                 Accepts]: Start accepts. Automaton has  has 32 states, 31 states have (on average 4.612903225806452) internal successors, (143), 32 states have internal predecessors, (143), 15 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 15 states have call predecessors, (54), 15 states have call successors, (54) Word has length 198
[2024-11-13 16:03:01,587 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:03:01,590 INFO  L225             Difference]: With dead ends: 241
[2024-11-13 16:03:01,591 INFO  L226             Difference]: Without dead ends: 240
[2024-11-13 16:03:01,591 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=271, Invalid=721, Unknown=0, NotChecked=0, Total=992
[2024-11-13 16:03:01,592 INFO  L432           NwaCegarLoop]: 41 mSDtfsCounter, 46 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-13 16:03:01,592 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 271 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-13 16:03:01,594 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 240 states.
[2024-11-13 16:03:01,616 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 216.
[2024-11-13 16:03:01,617 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 216 states, 149 states have (on average 1.1476510067114094) internal successors, (171), 152 states have internal predecessors, (171), 62 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62)
[2024-11-13 16:03:01,619 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 295 transitions.
[2024-11-13 16:03:01,620 INFO  L78                 Accepts]: Start accepts. Automaton has 216 states and 295 transitions. Word has length 198
[2024-11-13 16:03:01,621 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:03:01,622 INFO  L471      AbstractCegarLoop]: Abstraction has 216 states and 295 transitions.
[2024-11-13 16:03:01,622 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 32 states, 31 states have (on average 4.612903225806452) internal successors, (143), 32 states have internal predecessors, (143), 15 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 15 states have call predecessors, (54), 15 states have call successors, (54)
[2024-11-13 16:03:01,622 INFO  L276                IsEmpty]: Start isEmpty. Operand 216 states and 295 transitions.
[2024-11-13 16:03:01,624 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 227
[2024-11-13 16:03:01,624 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 16:03:01,625 INFO  L215           NwaCegarLoop]: trace histogram [30, 30, 30, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:03:01,650 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2024-11-13 16:03:01,830 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17
[2024-11-13 16:03:01,831 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:03:01,831 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:03:01,831 INFO  L85        PathProgramCache]: Analyzing trace with hash -1518128907, now seen corresponding path program 3 times
[2024-11-13 16:03:01,831 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:03:01,832 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777944458]
[2024-11-13 16:03:01,832 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:03:01,832 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:03:01,866 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,275 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:03:02,276 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,278 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:03:02,279 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,281 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:03:02,282 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,283 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:03:02,284 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,286 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-13 16:03:02,288 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,289 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-13 16:03:02,291 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,293 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-13 16:03:02,294 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,296 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2024-11-13 16:03:02,297 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,300 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2024-11-13 16:03:02,301 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,303 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2024-11-13 16:03:02,304 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,306 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-13 16:03:02,307 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,309 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2024-11-13 16:03:02,310 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,311 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-13 16:03:02,312 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,315 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103
[2024-11-13 16:03:02,316 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,318 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114
[2024-11-13 16:03:02,319 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,321 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119
[2024-11-13 16:03:02,322 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,324 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2024-11-13 16:03:02,325 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,327 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2024-11-13 16:03:02,328 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,330 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143
[2024-11-13 16:03:02,331 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,333 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2024-11-13 16:03:02,334 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,336 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156
[2024-11-13 16:03:02,337 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,338 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161
[2024-11-13 16:03:02,339 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,341 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172
[2024-11-13 16:03:02,343 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,345 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177
[2024-11-13 16:03:02,346 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,348 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185
[2024-11-13 16:03:02,349 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,351 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190
[2024-11-13 16:03:02,352 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,354 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201
[2024-11-13 16:03:02,355 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,357 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206
[2024-11-13 16:03:02,358 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,360 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213
[2024-11-13 16:03:02,361 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,363 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218
[2024-11-13 16:03:02,365 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,368 INFO  L134       CoverageAnalysis]: Checked inductivity of 2027 backedges. 0 proven. 287 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked.
[2024-11-13 16:03:02,368 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:03:02,368 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777944458]
[2024-11-13 16:03:02,368 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777944458] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:03:02,368 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439931893]
[2024-11-13 16:03:02,368 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-13 16:03:02,369 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:03:02,369 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:03:02,371 INFO  L229       MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:03:02,374 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2024-11-13 16:03:02,433 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-11-13 16:03:02,434 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-13 16:03:02,435 INFO  L255         TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-13 16:03:02,439 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:03:02,710 INFO  L134       CoverageAnalysis]: Checked inductivity of 2027 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 1940 trivial. 0 not checked.
[2024-11-13 16:03:02,710 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 16:03:02,711 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439931893] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:03:02,711 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 16:03:02,711 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [17] total 22
[2024-11-13 16:03:02,711 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149527138]
[2024-11-13 16:03:02,711 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:03:02,711 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-13 16:03:02,711 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:03:02,712 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-13 16:03:02,712 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506
[2024-11-13 16:03:02,712 INFO  L87              Difference]: Start difference. First operand 216 states and 295 transitions. Second operand  has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6)
[2024-11-13 16:03:02,862 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:03:02,863 INFO  L93              Difference]: Finished difference Result 216 states and 295 transitions.
[2024-11-13 16:03:02,863 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-13 16:03:02,863 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 226
[2024-11-13 16:03:02,864 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:03:02,865 INFO  L225             Difference]: With dead ends: 216
[2024-11-13 16:03:02,865 INFO  L226             Difference]: Without dead ends: 215
[2024-11-13 16:03:02,866 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=491, Unknown=0, NotChecked=0, Total=600
[2024-11-13 16:03:02,866 INFO  L432           NwaCegarLoop]: 27 mSDtfsCounter, 14 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-13 16:03:02,867 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 122 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-13 16:03:02,868 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 215 states.
[2024-11-13 16:03:02,914 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215.
[2024-11-13 16:03:02,915 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 215 states, 149 states have (on average 1.1409395973154361) internal successors, (170), 151 states have internal predecessors, (170), 62 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62)
[2024-11-13 16:03:02,917 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 294 transitions.
[2024-11-13 16:03:02,917 INFO  L78                 Accepts]: Start accepts. Automaton has 215 states and 294 transitions. Word has length 226
[2024-11-13 16:03:02,919 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:03:02,920 INFO  L471      AbstractCegarLoop]: Abstraction has 215 states and 294 transitions.
[2024-11-13 16:03:02,920 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6)
[2024-11-13 16:03:02,921 INFO  L276                IsEmpty]: Start isEmpty. Operand 215 states and 294 transitions.
[2024-11-13 16:03:02,923 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 240
[2024-11-13 16:03:02,924 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 16:03:02,924 INFO  L215           NwaCegarLoop]: trace histogram [32, 32, 32, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:03:02,943 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0
[2024-11-13 16:03:03,124 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:03:03,124 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:03:03,125 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:03:03,125 INFO  L85        PathProgramCache]: Analyzing trace with hash 1550246314, now seen corresponding path program 3 times
[2024-11-13 16:03:03,125 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:03:03,125 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294228559]
[2024-11-13 16:03:03,125 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:03:03,125 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:03:03,156 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,613 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:03:03,614 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,616 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:03:03,617 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,619 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:03:03,620 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,622 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:03:03,623 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,625 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-13 16:03:03,626 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,628 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-13 16:03:03,629 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,630 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-13 16:03:03,631 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,633 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2024-11-13 16:03:03,634 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,636 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2024-11-13 16:03:03,637 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,639 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2024-11-13 16:03:03,640 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,642 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-13 16:03:03,643 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,645 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2024-11-13 16:03:03,646 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,648 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-13 16:03:03,649 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,651 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103
[2024-11-13 16:03:03,653 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,655 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114
[2024-11-13 16:03:03,656 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,658 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119
[2024-11-13 16:03:03,659 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,661 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2024-11-13 16:03:03,662 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,664 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2024-11-13 16:03:03,665 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,667 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143
[2024-11-13 16:03:03,668 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,670 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2024-11-13 16:03:03,671 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,673 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156
[2024-11-13 16:03:03,674 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,676 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161
[2024-11-13 16:03:03,677 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,679 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172
[2024-11-13 16:03:03,680 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,682 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177
[2024-11-13 16:03:03,683 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,685 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185
[2024-11-13 16:03:03,686 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,688 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190
[2024-11-13 16:03:03,689 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,691 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201
[2024-11-13 16:03:03,692 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,694 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206
[2024-11-13 16:03:03,695 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,697 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213
[2024-11-13 16:03:03,699 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,701 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218
[2024-11-13 16:03:03,702 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,704 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226
[2024-11-13 16:03:03,705 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,707 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231
[2024-11-13 16:03:03,708 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,711 INFO  L134       CoverageAnalysis]: Checked inductivity of 2271 backedges. 0 proven. 287 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked.
[2024-11-13 16:03:03,711 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:03:03,711 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294228559]
[2024-11-13 16:03:03,711 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294228559] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:03:03,711 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541982739]
[2024-11-13 16:03:03,711 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-13 16:03:03,711 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:03:03,712 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:03:03,714 INFO  L229       MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:03:03,717 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2024-11-13 16:03:03,780 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-11-13 16:03:03,780 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-13 16:03:03,781 INFO  L255         TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-13 16:03:03,784 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:03:04,050 INFO  L134       CoverageAnalysis]: Checked inductivity of 2271 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2178 trivial. 0 not checked.
[2024-11-13 16:03:04,050 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 16:03:04,050 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [541982739] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 16:03:04,051 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 16:03:04,051 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [19] total 24
[2024-11-13 16:03:04,051 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273002197]
[2024-11-13 16:03:04,051 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 16:03:04,051 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-13 16:03:04,052 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:03:04,052 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-13 16:03:04,052 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=486, Unknown=0, NotChecked=0, Total=600
[2024-11-13 16:03:04,053 INFO  L87              Difference]: Start difference. First operand 215 states and 294 transitions. Second operand  has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8)
[2024-11-13 16:03:04,192 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:03:04,192 INFO  L93              Difference]: Finished difference Result 215 states and 294 transitions.
[2024-11-13 16:03:04,192 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-13 16:03:04,192 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 239
[2024-11-13 16:03:04,193 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:03:04,194 INFO  L225             Difference]: With dead ends: 215
[2024-11-13 16:03:04,194 INFO  L226             Difference]: Without dead ends: 204
[2024-11-13 16:03:04,195 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=580, Unknown=0, NotChecked=0, Total=702
[2024-11-13 16:03:04,195 INFO  L432           NwaCegarLoop]: 27 mSDtfsCounter, 10 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-13 16:03:04,196 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 121 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-13 16:03:04,200 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 204 states.
[2024-11-13 16:03:04,218 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204.
[2024-11-13 16:03:04,218 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 204 states, 143 states have (on average 1.034965034965035) internal successors, (148), 144 states have internal predecessors, (148), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58)
[2024-11-13 16:03:04,220 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 264 transitions.
[2024-11-13 16:03:04,220 INFO  L78                 Accepts]: Start accepts. Automaton has 204 states and 264 transitions. Word has length 239
[2024-11-13 16:03:04,221 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:03:04,221 INFO  L471      AbstractCegarLoop]: Abstraction has 204 states and 264 transitions.
[2024-11-13 16:03:04,221 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8)
[2024-11-13 16:03:04,221 INFO  L276                IsEmpty]: Start isEmpty. Operand 204 states and 264 transitions.
[2024-11-13 16:03:04,226 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 318
[2024-11-13 16:03:04,226 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 16:03:04,226 INFO  L215           NwaCegarLoop]: trace histogram [42, 42, 42, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:03:04,246 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0
[2024-11-13 16:03:04,430 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:03:04,431 INFO  L396      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:03:04,431 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:03:04,431 INFO  L85        PathProgramCache]: Analyzing trace with hash -1561296932, now seen corresponding path program 3 times
[2024-11-13 16:03:04,431 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:03:04,431 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831868096]
[2024-11-13 16:03:04,431 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:03:04,431 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:03:04,466 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,150 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:03:05,151 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,153 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:03:05,154 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,156 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:03:05,157 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,159 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:03:05,160 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,162 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-13 16:03:05,163 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,164 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-13 16:03:05,166 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,167 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-13 16:03:05,169 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,170 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2024-11-13 16:03:05,171 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,173 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2024-11-13 16:03:05,174 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,176 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2024-11-13 16:03:05,177 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,179 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-13 16:03:05,180 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,182 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2024-11-13 16:03:05,183 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,185 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-13 16:03:05,186 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,187 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103
[2024-11-13 16:03:05,189 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,190 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114
[2024-11-13 16:03:05,191 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,193 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119
[2024-11-13 16:03:05,195 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,196 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2024-11-13 16:03:05,198 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,199 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2024-11-13 16:03:05,201 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,202 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143
[2024-11-13 16:03:05,203 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,205 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2024-11-13 16:03:05,206 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,208 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156
[2024-11-13 16:03:05,210 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,211 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161
[2024-11-13 16:03:05,213 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,215 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172
[2024-11-13 16:03:05,216 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,218 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177
[2024-11-13 16:03:05,220 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,221 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185
[2024-11-13 16:03:05,223 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,224 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190
[2024-11-13 16:03:05,226 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,227 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201
[2024-11-13 16:03:05,229 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,231 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206
[2024-11-13 16:03:05,232 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,234 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214
[2024-11-13 16:03:05,235 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,237 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219
[2024-11-13 16:03:05,238 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,240 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230
[2024-11-13 16:03:05,241 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,243 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235
[2024-11-13 16:03:05,244 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,246 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243
[2024-11-13 16:03:05,247 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,249 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248
[2024-11-13 16:03:05,250 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,252 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259
[2024-11-13 16:03:05,253 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,255 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264
[2024-11-13 16:03:05,256 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,258 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272
[2024-11-13 16:03:05,259 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,260 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277
[2024-11-13 16:03:05,262 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,263 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288
[2024-11-13 16:03:05,264 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,266 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293
[2024-11-13 16:03:05,267 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,269 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301
[2024-11-13 16:03:05,271 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,272 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306
[2024-11-13 16:03:05,273 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,277 INFO  L134       CoverageAnalysis]: Checked inductivity of 4139 backedges. 0 proven. 695 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked.
[2024-11-13 16:03:05,277 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:03:05,277 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831868096]
[2024-11-13 16:03:05,277 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831868096] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:03:05,277 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664024]
[2024-11-13 16:03:05,277 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-13 16:03:05,278 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:03:05,278 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:03:05,280 INFO  L229       MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:03:05,283 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process
[2024-11-13 16:03:05,353 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2024-11-13 16:03:05,354 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-13 16:03:05,355 INFO  L255         TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-13 16:03:05,364 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:03:05,697 INFO  L134       CoverageAnalysis]: Checked inductivity of 4139 backedges. 117 proven. 116 refuted. 0 times theorem prover too weak. 3906 trivial. 0 not checked.
[2024-11-13 16:03:05,697 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-13 16:03:06,193 INFO  L134       CoverageAnalysis]: Checked inductivity of 4139 backedges. 117 proven. 116 refuted. 0 times theorem prover too weak. 3906 trivial. 0 not checked.
[2024-11-13 16:03:06,193 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [664024] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-13 16:03:06,194 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-13 16:03:06,194 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 6, 6] total 29
[2024-11-13 16:03:06,194 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999219665]
[2024-11-13 16:03:06,195 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-13 16:03:06,195 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 30 states
[2024-11-13 16:03:06,195 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:03:06,196 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants.
[2024-11-13 16:03:06,197 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=679, Unknown=0, NotChecked=0, Total=870
[2024-11-13 16:03:06,197 INFO  L87              Difference]: Start difference. First operand 204 states and 264 transitions. Second operand  has 30 states, 29 states have (on average 4.827586206896552) internal successors, (140), 30 states have internal predecessors, (140), 13 states have call successors, (48), 1 states have call predecessors, (48), 2 states have return successors, (49), 13 states have call predecessors, (49), 13 states have call successors, (49)
[2024-11-13 16:03:06,890 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:03:06,890 INFO  L93              Difference]: Finished difference Result 204 states and 264 transitions.
[2024-11-13 16:03:06,891 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2024-11-13 16:03:06,891 INFO  L78                 Accepts]: Start accepts. Automaton has  has 30 states, 29 states have (on average 4.827586206896552) internal successors, (140), 30 states have internal predecessors, (140), 13 states have call successors, (48), 1 states have call predecessors, (48), 2 states have return successors, (49), 13 states have call predecessors, (49), 13 states have call successors, (49) Word has length 317
[2024-11-13 16:03:06,892 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:03:06,893 INFO  L225             Difference]: With dead ends: 204
[2024-11-13 16:03:06,893 INFO  L226             Difference]: Without dead ends: 203
[2024-11-13 16:03:06,895 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 763 GetRequests, 709 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=551, Invalid=2311, Unknown=0, NotChecked=0, Total=2862
[2024-11-13 16:03:06,896 INFO  L432           NwaCegarLoop]: 19 mSDtfsCounter, 2 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-13 16:03:06,896 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 221 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-13 16:03:06,897 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 203 states.
[2024-11-13 16:03:06,913 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203.
[2024-11-13 16:03:06,914 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 203 states, 143 states have (on average 1.006993006993007) internal successors, (144), 143 states have internal predecessors, (144), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58)
[2024-11-13 16:03:06,915 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 260 transitions.
[2024-11-13 16:03:06,916 INFO  L78                 Accepts]: Start accepts. Automaton has 203 states and 260 transitions. Word has length 317
[2024-11-13 16:03:06,916 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:03:06,917 INFO  L471      AbstractCegarLoop]: Abstraction has 203 states and 260 transitions.
[2024-11-13 16:03:06,917 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 30 states, 29 states have (on average 4.827586206896552) internal successors, (140), 30 states have internal predecessors, (140), 13 states have call successors, (48), 1 states have call predecessors, (48), 2 states have return successors, (49), 13 states have call predecessors, (49), 13 states have call successors, (49)
[2024-11-13 16:03:06,917 INFO  L276                IsEmpty]: Start isEmpty. Operand 203 states and 260 transitions.
[2024-11-13 16:03:06,928 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 431
[2024-11-13 16:03:06,928 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-13 16:03:06,928 INFO  L215           NwaCegarLoop]: trace histogram [58, 58, 58, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:03:06,947 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0
[2024-11-13 16:03:07,128 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20
[2024-11-13 16:03:07,129 INFO  L396      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-13 16:03:07,129 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 16:03:07,129 INFO  L85        PathProgramCache]: Analyzing trace with hash -1391782668, now seen corresponding path program 3 times
[2024-11-13 16:03:07,129 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 16:03:07,129 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434460169]
[2024-11-13 16:03:07,129 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 16:03:07,129 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 16:03:07,181 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,371 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2024-11-13 16:03:08,373 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,374 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-13 16:03:08,375 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,376 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-13 16:03:08,378 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,380 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-13 16:03:08,380 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,382 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-13 16:03:08,383 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,385 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-13 16:03:08,386 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,387 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-13 16:03:08,388 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,390 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61
[2024-11-13 16:03:08,391 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,392 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2024-11-13 16:03:08,393 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,394 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74
[2024-11-13 16:03:08,395 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,397 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-13 16:03:08,398 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,399 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2024-11-13 16:03:08,400 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,401 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-13 16:03:08,402 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,405 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103
[2024-11-13 16:03:08,408 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,409 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114
[2024-11-13 16:03:08,410 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,411 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119
[2024-11-13 16:03:08,416 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,418 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127
[2024-11-13 16:03:08,419 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,420 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132
[2024-11-13 16:03:08,421 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,422 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143
[2024-11-13 16:03:08,423 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,425 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2024-11-13 16:03:08,425 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,427 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156
[2024-11-13 16:03:08,429 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,431 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161
[2024-11-13 16:03:08,432 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,433 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172
[2024-11-13 16:03:08,434 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,436 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177
[2024-11-13 16:03:08,436 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,438 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185
[2024-11-13 16:03:08,439 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,440 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190
[2024-11-13 16:03:08,441 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,442 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201
[2024-11-13 16:03:08,443 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,445 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206
[2024-11-13 16:03:08,446 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,447 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214
[2024-11-13 16:03:08,448 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,449 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219
[2024-11-13 16:03:08,450 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,452 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230
[2024-11-13 16:03:08,452 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,454 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235
[2024-11-13 16:03:08,455 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,456 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243
[2024-11-13 16:03:08,457 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,458 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248
[2024-11-13 16:03:08,459 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,461 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259
[2024-11-13 16:03:08,462 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,463 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264
[2024-11-13 16:03:08,464 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,466 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272
[2024-11-13 16:03:08,467 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,468 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277
[2024-11-13 16:03:08,469 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,471 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288
[2024-11-13 16:03:08,472 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,473 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293
[2024-11-13 16:03:08,474 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,476 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301
[2024-11-13 16:03:08,478 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,479 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306
[2024-11-13 16:03:08,480 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,482 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317
[2024-11-13 16:03:08,483 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,484 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322
[2024-11-13 16:03:08,485 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,486 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330
[2024-11-13 16:03:08,487 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,488 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335
[2024-11-13 16:03:08,489 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,491 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346
[2024-11-13 16:03:08,492 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,494 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351
[2024-11-13 16:03:08,495 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,496 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359
[2024-11-13 16:03:08,497 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,499 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364
[2024-11-13 16:03:08,500 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,501 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375
[2024-11-13 16:03:08,502 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,504 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380
[2024-11-13 16:03:08,505 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,506 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388
[2024-11-13 16:03:08,507 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,509 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393
[2024-11-13 16:03:08,510 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,512 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404
[2024-11-13 16:03:08,513 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,514 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409
[2024-11-13 16:03:08,515 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,517 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417
[2024-11-13 16:03:08,518 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,519 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422
[2024-11-13 16:03:08,520 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,524 INFO  L134       CoverageAnalysis]: Checked inductivity of 7907 backedges. 0 proven. 1295 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked.
[2024-11-13 16:03:08,524 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 16:03:08,525 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434460169]
[2024-11-13 16:03:08,525 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434460169] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 16:03:08,525 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64366904]
[2024-11-13 16:03:08,525 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-13 16:03:08,525 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 16:03:08,525 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 16:03:08,528 INFO  L229       MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 16:03:08,531 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process
[2024-11-13 16:03:08,608 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-11-13 16:03:08,608 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-13 16:03:08,609 INFO  L255         TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-13 16:03:08,620 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 16:03:09,114 INFO  L134       CoverageAnalysis]: Checked inductivity of 7907 backedges. 171 proven. 42 refuted. 0 times theorem prover too weak. 7694 trivial. 0 not checked.
[2024-11-13 16:03:09,115 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-13 16:03:09,842 INFO  L134       CoverageAnalysis]: Checked inductivity of 7907 backedges. 171 proven. 42 refuted. 0 times theorem prover too weak. 7694 trivial. 0 not checked.
[2024-11-13 16:03:09,842 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [64366904] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-13 16:03:09,842 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-13 16:03:09,842 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 7, 7] total 42
[2024-11-13 16:03:09,843 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031410938]
[2024-11-13 16:03:09,843 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-13 16:03:09,844 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 43 states
[2024-11-13 16:03:09,844 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 16:03:09,845 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants.
[2024-11-13 16:03:09,846 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=359, Invalid=1447, Unknown=0, NotChecked=0, Total=1806
[2024-11-13 16:03:09,846 INFO  L87              Difference]: Start difference. First operand 203 states and 260 transitions. Second operand  has 43 states, 42 states have (on average 4.428571428571429) internal successors, (186), 41 states have internal predecessors, (186), 17 states have call successors, (66), 1 states have call predecessors, (66), 2 states have return successors, (68), 19 states have call predecessors, (68), 17 states have call successors, (68)
[2024-11-13 16:03:11,227 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 16:03:11,227 INFO  L93              Difference]: Finished difference Result 228 states and 294 transitions.
[2024-11-13 16:03:11,228 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. 
[2024-11-13 16:03:11,228 INFO  L78                 Accepts]: Start accepts. Automaton has  has 43 states, 42 states have (on average 4.428571428571429) internal successors, (186), 41 states have internal predecessors, (186), 17 states have call successors, (66), 1 states have call predecessors, (66), 2 states have return successors, (68), 19 states have call predecessors, (68), 17 states have call successors, (68) Word has length 430
[2024-11-13 16:03:11,229 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 16:03:11,230 INFO  L225             Difference]: With dead ends: 228
[2024-11-13 16:03:11,230 INFO  L226             Difference]: Without dead ends: 0
[2024-11-13 16:03:11,232 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 1041 GetRequests, 964 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1030 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1201, Invalid=4961, Unknown=0, NotChecked=0, Total=6162
[2024-11-13 16:03:11,234 INFO  L432           NwaCegarLoop]: 13 mSDtfsCounter, 172 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-13 16:03:11,234 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 170 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-13 16:03:11,235 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-13 16:03:11,235 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-13 16:03:11,235 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-13 16:03:11,235 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-13 16:03:11,236 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 430
[2024-11-13 16:03:11,236 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-13 16:03:11,236 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-13 16:03:11,236 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 43 states, 42 states have (on average 4.428571428571429) internal successors, (186), 41 states have internal predecessors, (186), 17 states have call successors, (66), 1 states have call predecessors, (66), 2 states have return successors, (68), 19 states have call predecessors, (68), 17 states have call successors, (68)
[2024-11-13 16:03:11,236 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-13 16:03:11,236 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-13 16:03:11,239 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining)
[2024-11-13 16:03:11,240 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining)
[2024-11-13 16:03:11,241 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining)
[2024-11-13 16:03:11,241 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining)
[2024-11-13 16:03:11,241 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining)
[2024-11-13 16:03:11,241 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining)
[2024-11-13 16:03:11,241 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining)
[2024-11-13 16:03:11,241 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining)
[2024-11-13 16:03:11,241 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining)
[2024-11-13 16:03:11,242 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining)
[2024-11-13 16:03:11,260 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0
[2024-11-13 16:03:11,442 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21
[2024-11-13 16:03:11,445 INFO  L407         BasicCegarLoop]: Path program histogram: [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 16:03:11,446 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-13 16:03:14,148 INFO  L173   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-13 16:03:14,167 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 04:03:14 BoogieIcfgContainer
[2024-11-13 16:03:14,167 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-13 16:03:14,168 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-13 16:03:14,168 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-13 16:03:14,168 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-13 16:03:14,168 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:02:48" (3/4) ...
[2024-11-13 16:03:14,170 INFO  L142         WitnessPrinter]: Generating witness for correct program
[2024-11-13 16:03:14,174 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert
[2024-11-13 16:03:14,177 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2024-11-13 16:03:14,178 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-13 16:03:14,178 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-13 16:03:14,178 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-13 16:03:14,253 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml
[2024-11-13 16:03:14,254 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/witness.yml
[2024-11-13 16:03:14,254 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-13 16:03:14,255 INFO  L158              Benchmark]: Toolchain (without parser) took 26236.56ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 118.9MB in the beginning and 241.0MB in the end (delta: -122.2MB). Peak memory consumption was 249.6MB. Max. memory is 16.1GB.
[2024-11-13 16:03:14,255 INFO  L158              Benchmark]: CDTParser took 0.47ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 16:03:14,256 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 246.79ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 107.8MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-13 16:03:14,256 INFO  L158              Benchmark]: Boogie Procedure Inliner took 30.20ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 16:03:14,257 INFO  L158              Benchmark]: Boogie Preprocessor took 30.84ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 16:03:14,258 INFO  L158              Benchmark]: RCFGBuilder took 392.33ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 93.3MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-13 16:03:14,259 INFO  L158              Benchmark]: TraceAbstraction took 25442.53ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 92.8MB in the beginning and 245.1MB in the end (delta: -152.3MB). Peak memory consumption was 226.0MB. Max. memory is 16.1GB.
[2024-11-13 16:03:14,259 INFO  L158              Benchmark]: Witness Printer took 86.50ms. Allocated memory is still 520.1MB. Free memory was 245.1MB in the beginning and 241.0MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 16:03:14,261 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.47ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 246.79ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 107.8MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 30.20ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 30.84ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 105.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 392.33ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 93.3MB in the end (delta: 12.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * TraceAbstraction took 25442.53ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 92.8MB in the beginning and 245.1MB in the end (delta: -152.3MB). Peak memory consumption was 226.0MB. Max. memory is 16.1GB.
 * Witness Printer took 86.50ms. Allocated memory is still 520.1MB. Free memory was 245.1MB in the beginning and 241.0MB in the end (delta: 4.1MB). There was no memory consumed. 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: 36]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 36]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 43]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 43]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 45]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 45]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 51]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 51]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 54]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 54]: 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 2 procedures, 52 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 22.6s, OverallIterations: 22, TraceHistogramMax: 58, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 625 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 503 mSDsluCounter, 4429 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3554 mSDsCounter, 155 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1996 IncrementalHoareTripleChecker+Invalid, 2151 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 155 mSolverCounterUnsat, 875 mSDtfsCounter, 1996 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4626 GetRequests, 4271 SyntacticMatches, 2 SemanticMatches, 353 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2671 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=216occurred in iteration=18, InterpolantAutomatonStates: 271, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 22 MinimizatonAttempts, 156 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 12.3s InterpolantComputationTime, 4579 NumberOfCodeBlocks, 3509 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 6108 ConstructedInterpolants, 0 QuantifiedInterpolants, 11654 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2285 ConjunctsInSsa, 120 ConjunctsInUnsatCore, 47 InterpolantComputations, 12 PerfectInterpolantSequences, 51896/56287 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
    10 specifications checked. All of them hold
  - InvariantResult [Line: 37]: Loop Invariant
    Derived loop invariant: ((((((((inlen <= 2147483647) && (2 <= bufferlen)) && (in <= 2147483646)) && (1 <= in)) && (bufferlen <= 2147483646)) && (buf <= 2147483646)) && (1 <= buf)) || (((((inlen <= 2147483647) && (2 <= bufferlen)) && (buf == 0)) && (bufferlen <= 2147483646)) && (in == 0)))
  - ProcedureContractResult [Line: 17]: Procedure Contract for __VERIFIER_assert
    Derived contract for procedure __VERIFIER_assert. Ensures: (cond != 0)
RESULT: Ultimate proved your program to be correct!
[2024-11-13 16:03:14,302 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7286b417-9a8b-4a61-8624-19a31b094ff8/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

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