./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Copenhagen.c --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb40969-3f35-4946-bc2f-e84cc4cf6e26/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb40969-3f35-4946-bc2f-e84cc4cf6e26/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb40969-3f35-4946-bc2f-e84cc4cf6e26/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb40969-3f35-4946-bc2f-e84cc4cf6e26/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/Copenhagen.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb40969-3f35-4946-bc2f-e84cc4cf6e26/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb40969-3f35-4946-bc2f-e84cc4cf6e26/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 97f3ae71d7e55617c3dc3c40b5dfbc58b84ebe43530264553a18780748bc766c
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 10:19:46,959 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 10:19:47,020 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb40969-3f35-4946-bc2f-e84cc4cf6e26/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-12-02 10:19:47,025 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 10:19:47,025 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 10:19:47,047 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 10:19:47,048 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 10:19:47,048 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 10:19:47,048 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 10:19:47,048 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 10:19:47,049 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 10:19:47,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 10:19:47,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 10:19:47,049 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 10:19:47,049 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 10:19:47,049 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 10:19:47,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 10:19:47,050 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 10:19:47,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 10:19:47,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 10:19:47,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 10:19:47,050 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 10:19:47,050 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 10:19:47,050 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 10:19:47,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 10:19:47,050 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 10:19:47,050 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 10:19:47,050 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 10:19:47,050 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 10:19:47,051 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 10:19:47,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 10:19:47,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:19:47,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 10:19:47,051 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 10:19:47,051 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 10:19:47,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 10:19:47,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:19:47,051 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 10:19:47,051 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 10:19:47,051 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 10:19:47,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 10:19:47,052 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 10:19:47,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 10:19:47,052 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 10:19:47,052 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 10:19:47,052 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 10:19:47,052 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 10:19:47,052 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_edb40969-3f35-4946-bc2f-e84cc4cf6e26/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97f3ae71d7e55617c3dc3c40b5dfbc58b84ebe43530264553a18780748bc766c
[2024-12-02 10:19:47,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 10:19:47,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 10:19:47,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 10:19:47,321 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 10:19:47,322 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 10:19:47,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb40969-3f35-4946-bc2f-e84cc4cf6e26/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/termination-crafted/Copenhagen.c
[2024-12-02 10:19:50,017 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb40969-3f35-4946-bc2f-e84cc4cf6e26/bin/uautomizer-verify-84ZbGMXZE1/data/6ac02d470/33db90ae560d44d5a1879c9a187b5754/FLAG59471267d
[2024-12-02 10:19:50,201 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 10:19:50,202 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb40969-3f35-4946-bc2f-e84cc4cf6e26/sv-benchmarks/c/termination-crafted/Copenhagen.c
[2024-12-02 10:19:50,209 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb40969-3f35-4946-bc2f-e84cc4cf6e26/bin/uautomizer-verify-84ZbGMXZE1/data/6ac02d470/33db90ae560d44d5a1879c9a187b5754/FLAG59471267d
[2024-12-02 10:19:50,223 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb40969-3f35-4946-bc2f-e84cc4cf6e26/bin/uautomizer-verify-84ZbGMXZE1/data/6ac02d470/33db90ae560d44d5a1879c9a187b5754
[2024-12-02 10:19:50,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 10:19:50,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 10:19:50,227 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 10:19:50,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 10:19:50,230 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 10:19:50,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:19:50" (1/1) ...
[2024-12-02 10:19:50,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@420a27b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:50, skipping insertion in model container
[2024-12-02 10:19:50,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:19:50" (1/1) ...
[2024-12-02 10:19:50,242 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 10:19:50,343 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 10:19:50,346 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 10:19:50,355 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 10:19:50,364 INFO L204 MainTranslator]: Completed translation
[2024-12-02 10:19:50,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:50 WrapperNode
[2024-12-02 10:19:50,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 10:19:50,366 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 10:19:50,366 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 10:19:50,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 10:19:50,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:50" (1/1) ...
[2024-12-02 10:19:50,373 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:50" (1/1) ...
[2024-12-02 10:19:50,384 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25
[2024-12-02 10:19:50,384 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 10:19:50,385 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 10:19:50,385 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 10:19:50,385 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 10:19:50,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:50" (1/1) ...
[2024-12-02 10:19:50,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:50" (1/1) ...
[2024-12-02 10:19:50,392 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:50" (1/1) ...
[2024-12-02 10:19:50,396 INFO L175 MemorySlicer]: No memory access in input program.
[2024-12-02 10:19:50,396 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:50" (1/1) ...
[2024-12-02 10:19:50,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:50" (1/1) ...
[2024-12-02 10:19:50,397 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:50" (1/1) ...
[2024-12-02 10:19:50,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:50" (1/1) ...
[2024-12-02 10:19:50,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:50" (1/1) ...
[2024-12-02 10:19:50,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:50" (1/1) ...
[2024-12-02 10:19:50,401 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:50" (1/1) ...
[2024-12-02 10:19:50,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 10:19:50,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 10:19:50,403 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 10:19:50,403 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 10:19:50,404 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:50" (1/1) ...
[2024-12-02 10:19:50,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 10:19:50,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb40969-3f35-4946-bc2f-e84cc4cf6e26/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 10:19:50,428 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb40969-3f35-4946-bc2f-e84cc4cf6e26/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 10:19:50,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb40969-3f35-4946-bc2f-e84cc4cf6e26/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 10:19:50,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 10:19:50,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 10:19:50,501 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 10:19:50,502 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 10:19:50,567 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live.
[2024-12-02 10:19:50,568 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 10:19:50,577 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 10:19:50,577 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 10:19:50,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:19:50 BoogieIcfgContainer
[2024-12-02 10:19:50,577 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 10:19:50,580 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 10:19:50,580 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 10:19:50,584 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 10:19:50,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:19:50" (1/3) ...
[2024-12-02 10:19:50,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee132b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:19:50, skipping insertion in model container
[2024-12-02 10:19:50,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:19:50" (2/3) ...
[2024-12-02 10:19:50,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee132b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:19:50, skipping insertion in model container
[2024-12-02 10:19:50,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:19:50" (3/3) ...
[2024-12-02 10:19:50,587 INFO L128 eAbstractionObserver]: Analyzing ICFG Copenhagen.c
[2024-12-02 10:19:50,601 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 10:19:50,603 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Copenhagen.c that has 1 procedures, 16 locations, 1 initial locations, 1 loop locations, and 4 error locations.
[2024-12-02 10:19:50,653 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 10:19:50,665 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;@c0a9cd1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 10:19:50,665 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-12-02 10:19:50,669 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 15 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 10:19:50,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-12-02 10:19:50,674 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:19:50,675 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-12-02 10:19:50,675 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 10:19:50,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:19:50,680 INFO L85 PathProgramCache]: Analyzing trace with hash 28696806, now seen corresponding path program 1 times
[2024-12-02 10:19:50,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:19:50,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762742221]
[2024-12-02 10:19:50,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:19:50,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:19:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:19:50,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:19:50,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:19:50,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762742221]
[2024-12-02 10:19:50,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762742221] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:19:50,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:19:50,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 10:19:50,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010481812]
[2024-12-02 10:19:50,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:19:50,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 10:19:50,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:19:50,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 10:19:50,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 10:19:50,864 INFO L87 Difference]: Start difference. First operand has 16 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 15 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 10:19:50,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:19:50,895 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions.
[2024-12-02 10:19:50,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 10:19:50,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5
[2024-12-02 10:19:50,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:19:50,904 INFO L225 Difference]: With dead ends: 20
[2024-12-02 10:19:50,905 INFO L226 Difference]: Without dead ends: 11
[2024-12-02 10:19:50,907 INFO L434 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
[2024-12-02 10:19:50,910 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 1 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:19:50,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 18 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 10:19:50,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states.
[2024-12-02 10:19:50,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11.
[2024-12-02 10:19:50,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 10:19:50,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions.
[2024-12-02 10:19:50,940 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 5
[2024-12-02 10:19:50,940 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:19:50,940 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions.
[2024-12-02 10:19:50,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 10:19:50,941 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions.
[2024-12-02 10:19:50,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-12-02 10:19:50,941 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:19:50,941 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-12-02 10:19:50,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 10:19:50,941 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 10:19:50,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:19:50,942 INFO L85 PathProgramCache]: Analyzing trace with hash 889601032, now seen corresponding path program 1 times
[2024-12-02 10:19:50,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:19:50,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733322527]
[2024-12-02 10:19:50,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:19:50,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:19:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:19:50,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:19:50,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:19:50,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733322527]
[2024-12-02 10:19:50,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733322527] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:19:50,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:19:50,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 10:19:50,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070193329]
[2024-12-02 10:19:50,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:19:50,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 10:19:50,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:19:50,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 10:19:50,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 10:19:50,979 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 10:19:50,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:19:50,994 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions.
[2024-12-02 10:19:50,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 10:19:50,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2024-12-02 10:19:50,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:19:50,996 INFO L225 Difference]: With dead ends: 11
[2024-12-02 10:19:50,996 INFO L226 Difference]: Without dead ends: 10
[2024-12-02 10:19:50,996 INFO L434 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
[2024-12-02 10:19:50,997 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:19:50,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 10:19:50,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states.
[2024-12-02 10:19:50,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10.
[2024-12-02 10:19:51,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 8 states have (on average 1.25) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 10:19:51,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions.
[2024-12-02 10:19:51,000 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 6
[2024-12-02 10:19:51,000 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:19:51,001 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions.
[2024-12-02 10:19:51,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 10:19:51,001 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions.
[2024-12-02 10:19:51,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-12-02 10:19:51,001 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:19:51,001 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:19:51,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 10:19:51,002 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 10:19:51,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:19:51,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1807828264, now seen corresponding path program 1 times
[2024-12-02 10:19:51,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:19:51,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605250833]
[2024-12-02 10:19:51,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:19:51,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:19:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:19:51,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:19:51,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:19:51,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605250833]
[2024-12-02 10:19:51,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605250833] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:19:51,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:19:51,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 10:19:51,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335009819]
[2024-12-02 10:19:51,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:19:51,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:19:51,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:19:51,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:19:51,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:19:51,056 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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)
[2024-12-02 10:19:51,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:19:51,078 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions.
[2024-12-02 10:19:51,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 10:19:51,078 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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
[2024-12-02 10:19:51,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:19:51,079 INFO L225 Difference]: With dead ends: 10
[2024-12-02 10:19:51,079 INFO L226 Difference]: Without dead ends: 9
[2024-12-02 10:19:51,079 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:19:51,080 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 1 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:19:51,080 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 9 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 10:19:51,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states.
[2024-12-02 10:19:51,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9.
[2024-12-02 10:19:51,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 10:19:51,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions.
[2024-12-02 10:19:51,083 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7
[2024-12-02 10:19:51,083 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:19:51,083 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions.
[2024-12-02 10:19:51,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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)
[2024-12-02 10:19:51,083 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions.
[2024-12-02 10:19:51,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-12-02 10:19:51,084 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 10:19:51,084 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 10:19:51,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 10:19:51,084 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 10:19:51,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 10:19:51,085 INFO L85 PathProgramCache]: Analyzing trace with hash 208101386, now seen corresponding path program 1 times
[2024-12-02 10:19:51,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 10:19:51,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227912405]
[2024-12-02 10:19:51,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 10:19:51,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 10:19:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 10:19:51,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 10:19:51,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 10:19:51,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227912405]
[2024-12-02 10:19:51,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227912405] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 10:19:51,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 10:19:51,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 10:19:51,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427796273]
[2024-12-02 10:19:51,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 10:19:51,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 10:19:51,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 10:19:51,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 10:19:51,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 10:19:51,136 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 10:19:51,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 10:19:51,167 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions.
[2024-12-02 10:19:51,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 10:19:51,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2024-12-02 10:19:51,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 10:19:51,168 INFO L225 Difference]: With dead ends: 9
[2024-12-02 10:19:51,168 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 10:19:51,168 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 10:19:51,169 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 10:19:51,169 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 7 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 10:19:51,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 10:19:51,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 10:19:51,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 10:19:51,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 10:19:51,170 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8
[2024-12-02 10:19:51,170 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 10:19:51,170 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 10:19:51,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 10:19:51,170 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 10:19:51,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 10:19:51,173 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2024-12-02 10:19:51,173 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2024-12-02 10:19:51,173 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2024-12-02 10:19:51,174 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2024-12-02 10:19:51,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 10:19:51,177 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-12-02 10:19:51,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 10:19:51,195 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 10:19:51,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:19:51 BoogieIcfgContainer
[2024-12-02 10:19:51,206 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 10:19:51,206 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 10:19:51,206 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 10:19:51,206 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 10:19:51,207 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:19:50" (3/4) ...
[2024-12-02 10:19:51,209 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 10:19:51,216 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-12-02 10:19:51,216 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 10:19:51,216 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-12-02 10:19:51,286 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb40969-3f35-4946-bc2f-e84cc4cf6e26/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 10:19:51,286 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb40969-3f35-4946-bc2f-e84cc4cf6e26/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 10:19:51,286 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 10:19:51,287 INFO L158 Benchmark]: Toolchain (without parser) took 1061.02ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 63.4MB in the end (delta: 54.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB.
[2024-12-02 10:19:51,287 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 83.1MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 10:19:51,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 138.51ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 107.8MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 10:19:51,288 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.80ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.9MB in the end (delta: 878.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 10:19:51,288 INFO L158 Benchmark]: Boogie Preprocessor took 16.97ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 106.0MB in the end (delta: 906.8kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 10:19:51,288 INFO L158 Benchmark]: RCFGBuilder took 174.90ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 96.6MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 10:19:51,289 INFO L158 Benchmark]: TraceAbstraction took 626.02ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 67.9MB in the end (delta: 28.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
[2024-12-02 10:19:51,289 INFO L158 Benchmark]: Witness Printer took 80.07ms. Allocated memory is still 142.6MB. Free memory was 67.9MB in the beginning and 63.4MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 10:19:51,290 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 83.1MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 138.51ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 107.8MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 18.80ms. Allocated memory is still 142.6MB. Free memory was 107.8MB in the beginning and 106.9MB in the end (delta: 878.9kB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 16.97ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 106.0MB in the end (delta: 906.8kB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 174.90ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 96.6MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 626.02ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 67.9MB in the end (delta: 28.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
* Witness Printer took 80.07ms. Allocated memory is still 142.6MB. Free memory was 67.9MB in the beginning and 63.4MB in the end (delta: 4.4MB). 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: 18]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 18]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 19]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 19]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 16 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 28 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
4 specifications checked. All of them hold
- InvariantResult [Line: 16]: Loop Invariant
Derived loop invariant: ((x <= 2147483647) && (y <= 2147483647))
RESULT: Ultimate proved your program to be correct!
[2024-12-02 10:19:51,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edb40969-3f35-4946-bc2f-e84cc4cf6e26/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE