./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex4.c --full-output --architecture 64bit


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


Checking for overflows
Using default analysis
Version 803cd42f
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex4.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 702a5cb4e98140bb9dbcfd0fb89e24e07deb7e8ce40ea61b05e70376d58bbad7
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m
[2024-11-22 22:08:26,914 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-22 22:08:26,975 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-22 22:08:26,980 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-22 22:08:26,980 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-22 22:08:27,007 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-22 22:08:27,009 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-22 22:08:27,009 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-22 22:08:27,010 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-22 22:08:27,010 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-22 22:08:27,011 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-22 22:08:27,011 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-22 22:08:27,012 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-22 22:08:27,012 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-22 22:08:27,012 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-22 22:08:27,015 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-22 22:08:27,015 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-22 22:08:27,016 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-22 22:08:27,016 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-22 22:08:27,016 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-22 22:08:27,016 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-22 22:08:27,016 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-22 22:08:27,017 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-22 22:08:27,017 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-22 22:08:27,017 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-22 22:08:27,017 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-22 22:08:27,017 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-22 22:08:27,017 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-22 22:08:27,018 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-22 22:08:27,018 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-22 22:08:27,018 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-22 22:08:27,018 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-22 22:08:27,018 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-22 22:08:27,018 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-22 22:08:27,019 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-22 22:08:27,019 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-22 22:08:27,019 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-22 22:08:27,019 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-22 22:08:27,019 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-22 22:08:27,019 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-22 22:08:27,020 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-22 22:08:27,022 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
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 -> 702a5cb4e98140bb9dbcfd0fb89e24e07deb7e8ce40ea61b05e70376d58bbad7
[2024-11-22 22:08:27,206 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-22 22:08:27,220 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-22 22:08:27,221 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-22 22:08:27,222 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-22 22:08:27,222 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-22 22:08:27,223 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex4.c
[2024-11-22 22:08:28,484 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-22 22:08:28,643 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-22 22:08:28,644 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex4.c
[2024-11-22 22:08:28,650 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0342e1819/011a642e4e9342bd8d3048e6579bff5b/FLAG62c52dd61
[2024-11-22 22:08:28,663 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0342e1819/011a642e4e9342bd8d3048e6579bff5b
[2024-11-22 22:08:28,665 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-22 22:08:28,666 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-22 22:08:28,667 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-22 22:08:28,667 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-22 22:08:28,671 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-22 22:08:28,672 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:08:28" (1/1) ...
[2024-11-22 22:08:28,673 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a8c3ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:28, skipping insertion in model container
[2024-11-22 22:08:28,673 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:08:28" (1/1) ...
[2024-11-22 22:08:28,687 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-22 22:08:28,828 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-22 22:08:28,833 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-22 22:08:28,842 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-22 22:08:28,856 INFO  L204         MainTranslator]: Completed translation
[2024-11-22 22:08:28,856 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:28 WrapperNode
[2024-11-22 22:08:28,857 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-22 22:08:28,858 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-22 22:08:28,858 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-22 22:08:28,858 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-22 22:08:28,864 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:28" (1/1) ...
[2024-11-22 22:08:28,867 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:28" (1/1) ...
[2024-11-22 22:08:28,879 INFO  L138                Inliner]: procedures = 5, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20
[2024-11-22 22:08:28,880 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-22 22:08:28,880 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-22 22:08:28,880 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-22 22:08:28,880 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-22 22:08:28,888 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:28" (1/1) ...
[2024-11-22 22:08:28,888 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:28" (1/1) ...
[2024-11-22 22:08:28,889 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:28" (1/1) ...
[2024-11-22 22:08:28,894 INFO  L175           MemorySlicer]: No memory access in input program.
[2024-11-22 22:08:28,894 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:28" (1/1) ...
[2024-11-22 22:08:28,894 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:28" (1/1) ...
[2024-11-22 22:08:28,896 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:28" (1/1) ...
[2024-11-22 22:08:28,897 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:28" (1/1) ...
[2024-11-22 22:08:28,898 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:28" (1/1) ...
[2024-11-22 22:08:28,898 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:28" (1/1) ...
[2024-11-22 22:08:28,899 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-22 22:08:28,900 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-22 22:08:28,900 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-22 22:08:28,900 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-22 22:08:28,900 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:28" (1/1) ...
[2024-11-22 22:08:28,905 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-22 22:08:28,914 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 22:08:28,929 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-22 22:08:28,932 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-22 22:08:29,032 INFO  L130     BoogieDeclarations]: Found specification of procedure p
[2024-11-22 22:08:29,032 INFO  L138     BoogieDeclarations]: Found implementation of procedure p
[2024-11-22 22:08:29,032 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-22 22:08:29,032 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-22 22:08:29,081 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-22 22:08:29,084 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-22 22:08:29,240 INFO  L?                        ?]: Removed 11 outVars from TransFormulas that were not future-live.
[2024-11-22 22:08:29,241 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-22 22:08:29,260 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-22 22:08:29,261 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-22 22:08:29,261 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:08:29 BoogieIcfgContainer
[2024-11-22 22:08:29,261 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-22 22:08:29,268 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-22 22:08:29,269 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-22 22:08:29,274 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-22 22:08:29,275 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:08:28" (1/3) ...
[2024-11-22 22:08:29,279 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2456bebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:08:29, skipping insertion in model container
[2024-11-22 22:08:29,279 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:28" (2/3) ...
[2024-11-22 22:08:29,280 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2456bebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:08:29, skipping insertion in model container
[2024-11-22 22:08:29,280 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:08:29" (3/3) ...
[2024-11-22 22:08:29,281 INFO  L112   eAbstractionObserver]: Analyzing ICFG LeeJonesBen-Amram-POPL2001-Ex4.c
[2024-11-22 22:08:29,304 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-22 22:08:29,304 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2024-11-22 22:08:29,373 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-22 22:08:29,380 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;@498ffae9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-22 22:08:29,384 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-11-22 22:08:29,388 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 26 states, 17 states have (on average 1.411764705882353) internal successors, (24), 21 states have internal predecessors, (24), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-22 22:08:29,395 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-11-22 22:08:29,396 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 22:08:29,396 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-22 22:08:29,397 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting pErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [pErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, pErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-22 22:08:29,402 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 22:08:29,403 INFO  L85        PathProgramCache]: Analyzing trace with hash 506311056, now seen corresponding path program 1 times
[2024-11-22 22:08:29,410 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 22:08:29,411 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50499136]
[2024-11-22 22:08:29,411 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:08:29,415 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 22:08:29,567 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:08:29,697 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-22 22:08:29,698 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 22:08:29,698 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50499136]
[2024-11-22 22:08:29,698 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50499136] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 22:08:29,698 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 22:08:29,699 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-22 22:08:29,705 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790661166]
[2024-11-22 22:08:29,705 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 22:08:29,708 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-22 22:08:29,708 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 22:08:29,754 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-22 22:08:29,755 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 22:08:29,757 INFO  L87              Difference]: Start difference. First operand  has 26 states, 17 states have (on average 1.411764705882353) internal successors, (24), 21 states have internal predecessors, (24), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand  has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 22:08:29,793 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 22:08:29,793 INFO  L93              Difference]: Finished difference Result 28 states and 34 transitions.
[2024-11-22 22:08:29,795 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-22 22:08:29,796 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2024-11-22 22:08:29,796 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 22:08:29,800 INFO  L225             Difference]: With dead ends: 28
[2024-11-22 22:08:29,801 INFO  L226             Difference]: Without dead ends: 16
[2024-11-22 22:08:29,803 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
[2024-11-22 22:08:29,807 INFO  L432           NwaCegarLoop]: 30 mSDtfsCounter, 4 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 22:08:29,807 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 53 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 22:08:29,818 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2024-11-22 22:08:29,828 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16.
[2024-11-22 22:08:29,829 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 16 states, 10 states have (on average 1.4) internal successors, (14), 14 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 22:08:29,830 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions.
[2024-11-22 22:08:29,831 INFO  L78                 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 7
[2024-11-22 22:08:29,832 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 22:08:29,832 INFO  L471      AbstractCegarLoop]: Abstraction has 16 states and 17 transitions.
[2024-11-22 22:08:29,832 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 22:08:29,833 INFO  L276                IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions.
[2024-11-22 22:08:29,833 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-11-22 22:08:29,833 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 22:08:29,834 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 22:08:29,834 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-22 22:08:29,834 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting pErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [pErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, pErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-22 22:08:29,835 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 22:08:29,835 INFO  L85        PathProgramCache]: Analyzing trace with hash -1484226411, now seen corresponding path program 1 times
[2024-11-22 22:08:29,835 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 22:08:29,835 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185330305]
[2024-11-22 22:08:29,836 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:08:29,836 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 22:08:29,851 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:08:29,933 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-22 22:08:29,933 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 22:08:29,934 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185330305]
[2024-11-22 22:08:29,934 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185330305] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 22:08:29,934 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 22:08:29,935 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-22 22:08:29,936 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752827896]
[2024-11-22 22:08:29,936 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 22:08:29,937 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 22:08:29,937 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 22:08:29,937 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 22:08:29,938 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-22 22:08:29,938 INFO  L87              Difference]: Start difference. First operand 16 states and 17 transitions. Second operand  has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 22:08:30,015 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 22:08:30,018 INFO  L93              Difference]: Finished difference Result 28 states and 30 transitions.
[2024-11-22 22:08:30,019 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-22 22:08:30,019 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2024-11-22 22:08:30,019 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 22:08:30,020 INFO  L225             Difference]: With dead ends: 28
[2024-11-22 22:08:30,020 INFO  L226             Difference]: Without dead ends: 27
[2024-11-22 22:08:30,020 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-22 22:08:30,021 INFO  L432           NwaCegarLoop]: 11 mSDtfsCounter, 22 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 22:08:30,021 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 34 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 22:08:30,022 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 27 states.
[2024-11-22 22:08:30,030 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 20.
[2024-11-22 22:08:30,031 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 20 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 17 states have internal predecessors, (19), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 22:08:30,037 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions.
[2024-11-22 22:08:30,037 INFO  L78                 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 8
[2024-11-22 22:08:30,038 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 22:08:30,038 INFO  L471      AbstractCegarLoop]: Abstraction has 20 states and 22 transitions.
[2024-11-22 22:08:30,038 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 22:08:30,038 INFO  L276                IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions.
[2024-11-22 22:08:30,038 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-11-22 22:08:30,038 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 22:08:30,038 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 22:08:30,038 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-22 22:08:30,039 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting pErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [pErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, pErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-22 22:08:30,039 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 22:08:30,039 INFO  L85        PathProgramCache]: Analyzing trace with hash -1484219428, now seen corresponding path program 1 times
[2024-11-22 22:08:30,039 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 22:08:30,039 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154658275]
[2024-11-22 22:08:30,039 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:08:30,039 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 22:08:30,058 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:08:30,095 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-22 22:08:30,095 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 22:08:30,095 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154658275]
[2024-11-22 22:08:30,096 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154658275] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 22:08:30,096 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 22:08:30,096 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-22 22:08:30,096 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138867933]
[2024-11-22 22:08:30,096 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 22:08:30,096 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-22 22:08:30,101 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 22:08:30,101 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-22 22:08:30,101 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 22:08:30,102 INFO  L87              Difference]: Start difference. First operand 20 states and 22 transitions. Second operand  has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 22:08:30,115 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 22:08:30,117 INFO  L93              Difference]: Finished difference Result 20 states and 22 transitions.
[2024-11-22 22:08:30,119 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-22 22:08:30,119 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2024-11-22 22:08:30,119 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 22:08:30,119 INFO  L225             Difference]: With dead ends: 20
[2024-11-22 22:08:30,119 INFO  L226             Difference]: Without dead ends: 19
[2024-11-22 22:08:30,120 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
[2024-11-22 22:08:30,120 INFO  L432           NwaCegarLoop]: 13 mSDtfsCounter, 2 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 22:08:30,121 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 24 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 22:08:30,121 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2024-11-22 22:08:30,130 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19.
[2024-11-22 22:08:30,130 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 19 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 16 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 22:08:30,130 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions.
[2024-11-22 22:08:30,130 INFO  L78                 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 8
[2024-11-22 22:08:30,131 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 22:08:30,131 INFO  L471      AbstractCegarLoop]: Abstraction has 19 states and 21 transitions.
[2024-11-22 22:08:30,131 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 22:08:30,131 INFO  L276                IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions.
[2024-11-22 22:08:30,131 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-22 22:08:30,131 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 22:08:30,131 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 22:08:30,131 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-22 22:08:30,132 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting pErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [pErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, pErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-22 22:08:30,132 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 22:08:30,132 INFO  L85        PathProgramCache]: Analyzing trace with hash 1233838035, now seen corresponding path program 1 times
[2024-11-22 22:08:30,140 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 22:08:30,140 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875126815]
[2024-11-22 22:08:30,140 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:08:30,141 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 22:08:30,154 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:08:30,237 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-22 22:08:30,238 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 22:08:30,238 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875126815]
[2024-11-22 22:08:30,238 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875126815] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 22:08:30,238 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 22:08:30,242 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-22 22:08:30,242 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416594969]
[2024-11-22 22:08:30,242 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 22:08:30,243 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 22:08:30,243 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 22:08:30,243 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 22:08:30,243 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-22 22:08:30,244 INFO  L87              Difference]: Start difference. First operand 19 states and 21 transitions. Second operand  has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 22:08:30,287 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 22:08:30,288 INFO  L93              Difference]: Finished difference Result 30 states and 33 transitions.
[2024-11-22 22:08:30,288 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-22 22:08:30,288 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2024-11-22 22:08:30,288 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 22:08:30,289 INFO  L225             Difference]: With dead ends: 30
[2024-11-22 22:08:30,289 INFO  L226             Difference]: Without dead ends: 29
[2024-11-22 22:08:30,289 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-22 22:08:30,290 INFO  L432           NwaCegarLoop]: 12 mSDtfsCounter, 14 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 22:08:30,291 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 40 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 22:08:30,291 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 29 states.
[2024-11-22 22:08:30,294 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 25.
[2024-11-22 22:08:30,294 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 25 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 4 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 22:08:30,294 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions.
[2024-11-22 22:08:30,295 INFO  L78                 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 9
[2024-11-22 22:08:30,295 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 22:08:30,295 INFO  L471      AbstractCegarLoop]: Abstraction has 25 states and 28 transitions.
[2024-11-22 22:08:30,295 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 22:08:30,295 INFO  L276                IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions.
[2024-11-22 22:08:30,295 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-22 22:08:30,296 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 22:08:30,296 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 22:08:30,296 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-22 22:08:30,296 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting pErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [pErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, pErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-22 22:08:30,296 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 22:08:30,297 INFO  L85        PathProgramCache]: Analyzing trace with hash 1002954419, now seen corresponding path program 1 times
[2024-11-22 22:08:30,297 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 22:08:30,297 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885183426]
[2024-11-22 22:08:30,297 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:08:30,297 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 22:08:30,305 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:08:30,359 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-22 22:08:30,359 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 22:08:30,360 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885183426]
[2024-11-22 22:08:30,360 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885183426] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-22 22:08:30,360 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931328353]
[2024-11-22 22:08:30,360 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:08:30,360 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 22:08:30,360 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 22:08:30,362 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-22 22:08:30,363 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-22 22:08:30,390 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:08:30,391 INFO  L255         TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-22 22:08:30,394 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-22 22:08:30,429 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-22 22:08:30,429 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-22 22:08:30,495 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-22 22:08:30,496 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1931328353] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-22 22:08:30,496 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-22 22:08:30,497 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11
[2024-11-22 22:08:30,497 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089005862]
[2024-11-22 22:08:30,497 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-22 22:08:30,498 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-22 22:08:30,498 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 22:08:30,498 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-22 22:08:30,499 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132
[2024-11-22 22:08:30,499 INFO  L87              Difference]: Start difference. First operand 25 states and 28 transitions. Second operand  has 12 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 8 states have internal predecessors, (21), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 22:08:30,590 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 22:08:30,590 INFO  L93              Difference]: Finished difference Result 35 states and 40 transitions.
[2024-11-22 22:08:30,590 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-22 22:08:30,590 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 8 states have internal predecessors, (21), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13
[2024-11-22 22:08:30,591 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 22:08:30,591 INFO  L225             Difference]: With dead ends: 35
[2024-11-22 22:08:30,591 INFO  L226             Difference]: Without dead ends: 33
[2024-11-22 22:08:30,592 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272
[2024-11-22 22:08:30,593 INFO  L432           NwaCegarLoop]: 12 mSDtfsCounter, 35 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 22:08:30,593 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 47 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 22:08:30,594 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 33 states.
[2024-11-22 22:08:30,596 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 18.
[2024-11-22 22:08:30,596 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 18 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 22:08:30,596 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions.
[2024-11-22 22:08:30,596 INFO  L78                 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 13
[2024-11-22 22:08:30,597 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 22:08:30,597 INFO  L471      AbstractCegarLoop]: Abstraction has 18 states and 20 transitions.
[2024-11-22 22:08:30,597 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 8 states have internal predecessors, (21), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 22:08:30,597 INFO  L276                IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions.
[2024-11-22 22:08:30,597 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-22 22:08:30,598 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 22:08:30,598 INFO  L215           NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 22:08:30,605 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-22 22:08:30,801 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 22:08:30,802 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting pErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [pErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, pErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-22 22:08:30,803 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 22:08:30,803 INFO  L85        PathProgramCache]: Analyzing trace with hash 290555191, now seen corresponding path program 1 times
[2024-11-22 22:08:30,803 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 22:08:30,803 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130798929]
[2024-11-22 22:08:30,803 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:08:30,803 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 22:08:30,810 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:08:30,859 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-22 22:08:30,859 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 22:08:30,860 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130798929]
[2024-11-22 22:08:30,860 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130798929] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-22 22:08:30,860 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13042715]
[2024-11-22 22:08:30,860 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:08:30,860 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 22:08:30,860 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 22:08:30,862 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-22 22:08:30,863 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-22 22:08:30,890 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:08:30,890 INFO  L255         TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-22 22:08:30,891 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-22 22:08:30,909 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-22 22:08:30,909 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-22 22:08:30,959 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-22 22:08:30,960 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [13042715] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-22 22:08:30,960 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-22 22:08:30,960 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11
[2024-11-22 22:08:30,960 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978080273]
[2024-11-22 22:08:30,960 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-22 22:08:30,960 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-22 22:08:30,961 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 22:08:30,961 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-22 22:08:30,961 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132
[2024-11-22 22:08:30,961 INFO  L87              Difference]: Start difference. First operand 18 states and 20 transitions. Second operand  has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 8 states have internal predecessors, (23), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 22:08:31,044 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 22:08:31,044 INFO  L93              Difference]: Finished difference Result 23 states and 25 transitions.
[2024-11-22 22:08:31,045 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-22 22:08:31,045 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 8 states have internal predecessors, (23), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14
[2024-11-22 22:08:31,045 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 22:08:31,045 INFO  L225             Difference]: With dead ends: 23
[2024-11-22 22:08:31,045 INFO  L226             Difference]: Without dead ends: 0
[2024-11-22 22:08:31,046 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272
[2024-11-22 22:08:31,046 INFO  L432           NwaCegarLoop]: 17 mSDtfsCounter, 31 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 22:08:31,046 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 61 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 22:08:31,047 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-22 22:08:31,047 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-22 22:08:31,047 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)
[2024-11-22 22:08:31,047 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-22 22:08:31,047 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14
[2024-11-22 22:08:31,047 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 22:08:31,047 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-22 22:08:31,047 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 11 states have (on average 2.090909090909091) internal successors, (23), 8 states have internal predecessors, (23), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-22 22:08:31,047 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-22 22:08:31,047 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-22 22:08:31,054 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location pErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2024-11-22 22:08:31,055 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location pErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2024-11-22 22:08:31,055 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location pErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2024-11-22 22:08:31,055 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location pErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2024-11-22 22:08:31,068 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-22 22:08:31,259 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2024-11-22 22:08:31,263 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2024-11-22 22:08:31,265 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-22 22:08:31,395 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-22 22:08:31,409 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:08:31 BoogieIcfgContainer
[2024-11-22 22:08:31,410 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-22 22:08:31,410 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-22 22:08:31,410 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-22 22:08:31,410 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-22 22:08:31,411 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:08:29" (3/4) ...
[2024-11-22 22:08:31,412 INFO  L142         WitnessPrinter]: Generating witness for correct program
[2024-11-22 22:08:31,415 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure p
[2024-11-22 22:08:31,418 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2024-11-22 22:08:31,418 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-22 22:08:31,418 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-11-22 22:08:31,476 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-22 22:08:31,476 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-22 22:08:31,476 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-22 22:08:31,476 INFO  L158              Benchmark]: Toolchain (without parser) took 2810.63ms. Allocated memory is still 176.2MB. Free memory was 105.9MB in the beginning and 118.1MB in the end (delta: -12.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-22 22:08:31,477 INFO  L158              Benchmark]: CDTParser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 130.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-22 22:08:31,477 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 190.12ms. Allocated memory is still 176.2MB. Free memory was 105.6MB in the beginning and 94.2MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2024-11-22 22:08:31,477 INFO  L158              Benchmark]: Boogie Procedure Inliner took 21.74ms. Allocated memory is still 176.2MB. Free memory was 94.2MB in the beginning and 92.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-22 22:08:31,477 INFO  L158              Benchmark]: Boogie Preprocessor took 18.80ms. Allocated memory is still 176.2MB. Free memory was 92.8MB in the beginning and 91.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-22 22:08:31,477 INFO  L158              Benchmark]: RCFGBuilder took 361.55ms. Allocated memory is still 176.2MB. Free memory was 91.4MB in the beginning and 138.4MB in the end (delta: -47.0MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB.
[2024-11-22 22:08:31,478 INFO  L158              Benchmark]: TraceAbstraction took 2141.83ms. Allocated memory is still 176.2MB. Free memory was 137.7MB in the beginning and 123.3MB in the end (delta: 14.3MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB.
[2024-11-22 22:08:31,478 INFO  L158              Benchmark]: Witness Printer took 65.96ms. Allocated memory is still 176.2MB. Free memory was 123.3MB in the beginning and 118.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2024-11-22 22:08:31,479 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.14ms. Allocated memory is still 176.2MB. Free memory is still 130.7MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 190.12ms. Allocated memory is still 176.2MB. Free memory was 105.6MB in the beginning and 94.2MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 21.74ms. Allocated memory is still 176.2MB. Free memory was 94.2MB in the beginning and 92.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 18.80ms. Allocated memory is still 176.2MB. Free memory was 92.8MB in the beginning and 91.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 361.55ms. Allocated memory is still 176.2MB. Free memory was 91.4MB in the beginning and 138.4MB in the end (delta: -47.0MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB.
 * TraceAbstraction took 2141.83ms. Allocated memory is still 176.2MB. Free memory was 137.7MB in the beginning and 123.3MB in the end (delta: 14.3MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB.
 * Witness Printer took 65.96ms. Allocated memory is still 176.2MB. Free memory was 123.3MB in the beginning and 118.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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: 14]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 14]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 17]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 17]: 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, 26 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 109 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 108 mSDsluCounter, 259 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 164 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 189 IncrementalHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 95 mSDtfsCounter, 189 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, InterpolantAutomatonStates: 35, 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, 6 MinimizatonAttempts, 26 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 271 SizeOfPredicates, 4 NumberOfNonLiveVariables, 93 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 0/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    4 specifications checked. All of them hold
  - ProcedureContractResult [Line: 12]: Procedure Contract for p
    Derived contract for procedure p. Requires: (((m <= 2147483647) && (r <= 2147483647)) && (n <= 2147483647)) Ensures: (((m <= 2147483647) && (r <= 2147483647)) && (n <= 2147483647))
RESULT: Ultimate proved your program to be correct!
[2024-11-22 22:08:31,498 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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