./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/id_i25_o25-2.c --full-output --architecture 32bit


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


Checking for overflows
Using default analysis
Version c7c6ca5d
Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/recursive-simple/id_i25_o25-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-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 32bit --witnessprinter.graph.data.programhash 76955366716759eb9478710f6ef46e3de93d252b9c3177ff4beaca56ee5c75a7
--- Real Ultimate output ---
This is Ultimate 0.2.5-?-c7c6ca5-m
[2024-11-09 12:14:20,869 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-09 12:14:20,999 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-09 12:14:21,006 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-09 12:14:21,009 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-09 12:14:21,044 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-09 12:14:21,045 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-09 12:14:21,045 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-09 12:14:21,047 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-09 12:14:21,048 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-09 12:14:21,049 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-09 12:14:21,049 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-09 12:14:21,050 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-09 12:14:21,052 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-09 12:14:21,052 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-09 12:14:21,053 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-09 12:14:21,053 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-09 12:14:21,053 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-09 12:14:21,053 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-09 12:14:21,054 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-09 12:14:21,054 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-09 12:14:21,058 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-09 12:14:21,059 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-09 12:14:21,059 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-09 12:14:21,059 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-09 12:14:21,059 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-09 12:14:21,060 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-09 12:14:21,060 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-09 12:14:21,060 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-09 12:14:21,060 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-09 12:14:21,061 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-09 12:14:21,061 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-09 12:14:21,061 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-09 12:14:21,061 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-09 12:14:21,062 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-09 12:14:21,062 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-09 12:14:21,062 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-09 12:14:21,065 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-09 12:14:21,065 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-09 12:14:21,065 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-09 12:14:21,065 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-09 12:14:21,066 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-09 12:14:21,066 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-09 12:14:21,066 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-09 12:14:21,067 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 -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76955366716759eb9478710f6ef46e3de93d252b9c3177ff4beaca56ee5c75a7
[2024-11-09 12:14:21,395 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-09 12:14:21,428 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-09 12:14:21,431 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-09 12:14:21,432 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-09 12:14:21,433 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-09 12:14:21,434 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i25_o25-2.c
[2024-11-09 12:14:23,032 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-09 12:14:23,243 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-09 12:14:23,244 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i25_o25-2.c
[2024-11-09 12:14:23,255 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f391a0c3/2ae67b22f6ce46838f8eee523034f9ab/FLAGd43a8e12e
[2024-11-09 12:14:23,608 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f391a0c3/2ae67b22f6ce46838f8eee523034f9ab
[2024-11-09 12:14:23,610 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-09 12:14:23,612 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-09 12:14:23,614 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-09 12:14:23,614 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-09 12:14:23,623 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-09 12:14:23,624 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:14:23" (1/1) ...
[2024-11-09 12:14:23,625 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ce00ecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:23, skipping insertion in model container
[2024-11-09 12:14:23,625 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:14:23" (1/1) ...
[2024-11-09 12:14:23,650 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-09 12:14:23,885 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-09 12:14:23,908 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-09 12:14:23,923 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-09 12:14:23,943 INFO  L204         MainTranslator]: Completed translation
[2024-11-09 12:14:23,943 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:23 WrapperNode
[2024-11-09 12:14:23,943 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-09 12:14:23,945 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-09 12:14:23,945 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-09 12:14:23,945 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-09 12:14:23,985 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:23" (1/1) ...
[2024-11-09 12:14:24,002 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:23" (1/1) ...
[2024-11-09 12:14:24,018 INFO  L138                Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19
[2024-11-09 12:14:24,019 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-09 12:14:24,020 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-09 12:14:24,020 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-09 12:14:24,020 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-09 12:14:24,031 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:23" (1/1) ...
[2024-11-09 12:14:24,031 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:23" (1/1) ...
[2024-11-09 12:14:24,032 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:23" (1/1) ...
[2024-11-09 12:14:24,042 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-09 12:14:24,043 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:23" (1/1) ...
[2024-11-09 12:14:24,043 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:23" (1/1) ...
[2024-11-09 12:14:24,046 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:23" (1/1) ...
[2024-11-09 12:14:24,047 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:23" (1/1) ...
[2024-11-09 12:14:24,048 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:23" (1/1) ...
[2024-11-09 12:14:24,049 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:23" (1/1) ...
[2024-11-09 12:14:24,050 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-09 12:14:24,051 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-09 12:14:24,052 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-09 12:14:24,052 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-09 12:14:24,054 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:23" (1/1) ...
[2024-11-09 12:14:24,062 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-09 12:14:24,075 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 12:14:24,101 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)
[2024-11-09 12:14:24,106 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
[2024-11-09 12:14:24,159 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-09 12:14:24,159 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-09 12:14:24,160 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-09 12:14:24,160 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-09 12:14:24,160 INFO  L130     BoogieDeclarations]: Found specification of procedure id
[2024-11-09 12:14:24,160 INFO  L138     BoogieDeclarations]: Found implementation of procedure id
[2024-11-09 12:14:24,226 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-09 12:14:24,228 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-09 12:14:24,385 INFO  L?                        ?]: Removed 9 outVars from TransFormulas that were not future-live.
[2024-11-09 12:14:24,386 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-09 12:14:24,403 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-09 12:14:24,403 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-09 12:14:24,404 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:14:24 BoogieIcfgContainer
[2024-11-09 12:14:24,404 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-09 12:14:24,407 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-09 12:14:24,409 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-09 12:14:24,412 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-09 12:14:24,412 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:14:23" (1/3) ...
[2024-11-09 12:14:24,413 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eeaf997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:14:24, skipping insertion in model container
[2024-11-09 12:14:24,414 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:14:23" (2/3) ...
[2024-11-09 12:14:24,415 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eeaf997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:14:24, skipping insertion in model container
[2024-11-09 12:14:24,415 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:14:24" (3/3) ...
[2024-11-09 12:14:24,417 INFO  L112   eAbstractionObserver]: Analyzing ICFG id_i25_o25-2.c
[2024-11-09 12:14:24,438 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-09 12:14:24,439 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2024-11-09 12:14:24,504 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-09 12:14:24,513 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;@2c50fff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-09 12:14:24,514 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-11-09 12:14:24,518 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 24 states, 16 states have (on average 1.375) internal successors, (22), 20 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 12:14:24,531 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-11-09 12:14:24,532 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 12:14:24,533 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-09 12:14:24,534 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-09 12:14:24,539 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 12:14:24,540 INFO  L85        PathProgramCache]: Analyzing trace with hash 890350836, now seen corresponding path program 1 times
[2024-11-09 12:14:24,548 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 12:14:24,549 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538623573]
[2024-11-09 12:14:24,549 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 12:14:24,550 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 12:14:24,640 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:24,785 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 12:14:24,786 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 12:14:24,786 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538623573]
[2024-11-09 12:14:24,787 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538623573] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 12:14:24,787 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 12:14:24,787 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-09 12:14:24,789 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962726138]
[2024-11-09 12:14:24,789 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 12:14:24,793 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-09 12:14:24,793 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 12:14:24,813 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-09 12:14:24,813 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-09 12:14:24,815 INFO  L87              Difference]: Start difference. First operand  has 24 states, 16 states have (on average 1.375) internal successors, (22), 20 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand  has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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)
[2024-11-09 12:14:24,924 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 12:14:24,925 INFO  L93              Difference]: Finished difference Result 46 states and 49 transitions.
[2024-11-09 12:14:24,926 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-09 12:14:24,928 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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 6
[2024-11-09 12:14:24,928 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 12:14:24,935 INFO  L225             Difference]: With dead ends: 46
[2024-11-09 12:14:24,936 INFO  L226             Difference]: Without dead ends: 28
[2024-11-09 12:14:24,939 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
[2024-11-09 12:14:24,942 INFO  L432           NwaCegarLoop]: 19 mSDtfsCounter, 22 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 12:14:24,944 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 67 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 12:14:24,965 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 28 states.
[2024-11-09 12:14:24,979 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25.
[2024-11-09 12:14:24,980 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 25 states, 17 states have (on average 1.411764705882353) internal successors, (24), 20 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 12:14:24,981 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions.
[2024-11-09 12:14:24,982 INFO  L78                 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 6
[2024-11-09 12:14:24,983 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 12:14:24,983 INFO  L471      AbstractCegarLoop]: Abstraction has 25 states and 29 transitions.
[2024-11-09 12:14:24,983 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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)
[2024-11-09 12:14:24,983 INFO  L276                IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions.
[2024-11-09 12:14:24,984 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-11-09 12:14:24,984 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 12:14:24,984 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-09 12:14:24,984 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-09 12:14:24,984 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-09 12:14:24,985 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 12:14:24,985 INFO  L85        PathProgramCache]: Analyzing trace with hash 1831072195, now seen corresponding path program 1 times
[2024-11-09 12:14:24,985 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 12:14:24,986 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593884943]
[2024-11-09 12:14:24,986 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 12:14:24,986 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 12:14:24,999 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:25,050 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 12:14:25,051 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 12:14:25,051 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593884943]
[2024-11-09 12:14:25,052 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593884943] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 12:14:25,052 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 12:14:25,052 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-09 12:14:25,052 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843298950]
[2024-11-09 12:14:25,053 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 12:14:25,054 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-09 12:14:25,054 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 12:14:25,055 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-09 12:14:25,055 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-09 12:14:25,056 INFO  L87              Difference]: Start difference. First operand 25 states and 29 transitions. Second operand  has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 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)
[2024-11-09 12:14:25,093 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 12:14:25,093 INFO  L93              Difference]: Finished difference Result 27 states and 32 transitions.
[2024-11-09 12:14:25,094 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-09 12:14:25,094 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 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
[2024-11-09 12:14:25,094 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 12:14:25,097 INFO  L225             Difference]: With dead ends: 27
[2024-11-09 12:14:25,097 INFO  L226             Difference]: Without dead ends: 26
[2024-11-09 12:14:25,097 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
[2024-11-09 12:14:25,099 INFO  L432           NwaCegarLoop]: 11 mSDtfsCounter, 19 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 12:14:25,099 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 26 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 12:14:25,100 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2024-11-09 12:14:25,106 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24.
[2024-11-09 12:14:25,107 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 12:14:25,108 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions.
[2024-11-09 12:14:25,108 INFO  L78                 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 7
[2024-11-09 12:14:25,109 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 12:14:25,109 INFO  L471      AbstractCegarLoop]: Abstraction has 24 states and 27 transitions.
[2024-11-09 12:14:25,109 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 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)
[2024-11-09 12:14:25,110 INFO  L276                IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions.
[2024-11-09 12:14:25,110 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-09 12:14:25,110 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 12:14:25,110 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 12:14:25,111 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-09 12:14:25,111 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-09 12:14:25,112 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 12:14:25,112 INFO  L85        PathProgramCache]: Analyzing trace with hash 1922931507, now seen corresponding path program 1 times
[2024-11-09 12:14:25,112 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 12:14:25,113 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31807517]
[2024-11-09 12:14:25,113 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 12:14:25,113 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 12:14:25,133 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:25,260 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 12:14:25,260 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 12:14:25,261 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31807517]
[2024-11-09 12:14:25,261 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31807517] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 12:14:25,261 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143186811]
[2024-11-09 12:14:25,261 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 12:14:25,262 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 12:14:25,262 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 12:14:25,264 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)
[2024-11-09 12:14:25,266 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-09 12:14:25,324 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:25,326 INFO  L255         TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-09 12:14:25,331 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 12:14:25,388 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 12:14:25,389 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 12:14:25,515 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 12:14:25,517 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1143186811] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 12:14:25,518 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-09 12:14:25,518 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11
[2024-11-09 12:14:25,518 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869608679]
[2024-11-09 12:14:25,518 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-09 12:14:25,519 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-09 12:14:25,519 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 12:14:25,523 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-09 12:14:25,524 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132
[2024-11-09 12:14:25,524 INFO  L87              Difference]: Start difference. First operand 24 states and 27 transitions. Second operand  has 12 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 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)
[2024-11-09 12:14:25,740 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 12:14:25,741 INFO  L93              Difference]: Finished difference Result 76 states and 82 transitions.
[2024-11-09 12:14:25,741 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2024-11-09 12:14:25,742 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 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 11
[2024-11-09 12:14:25,742 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 12:14:25,744 INFO  L225             Difference]: With dead ends: 76
[2024-11-09 12:14:25,745 INFO  L226             Difference]: Without dead ends: 68
[2024-11-09 12:14:25,746 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240
[2024-11-09 12:14:25,747 INFO  L432           NwaCegarLoop]: 16 mSDtfsCounter, 99 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-09 12:14:25,748 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 95 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-09 12:14:25,749 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 68 states.
[2024-11-09 12:14:25,760 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 54.
[2024-11-09 12:14:25,760 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 43 states have internal predecessors, (54), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-11-09 12:14:25,762 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 65 transitions.
[2024-11-09 12:14:25,762 INFO  L78                 Accepts]: Start accepts. Automaton has 54 states and 65 transitions. Word has length 11
[2024-11-09 12:14:25,762 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 12:14:25,763 INFO  L471      AbstractCegarLoop]: Abstraction has 54 states and 65 transitions.
[2024-11-09 12:14:25,763 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 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)
[2024-11-09 12:14:25,763 INFO  L276                IsEmpty]: Start isEmpty. Operand 54 states and 65 transitions.
[2024-11-09 12:14:25,764 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2024-11-09 12:14:25,764 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 12:14:25,764 INFO  L215           NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 12:14:25,782 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-09 12:14:25,965 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 12:14:25,966 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-09 12:14:25,967 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 12:14:25,967 INFO  L85        PathProgramCache]: Analyzing trace with hash -1856245274, now seen corresponding path program 1 times
[2024-11-09 12:14:25,967 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 12:14:25,967 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952377192]
[2024-11-09 12:14:25,968 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 12:14:25,968 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 12:14:25,992 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:26,091 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-09 12:14:26,094 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:26,116 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-11-09 12:14:26,116 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 12:14:26,117 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952377192]
[2024-11-09 12:14:26,117 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952377192] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 12:14:26,117 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 12:14:26,117 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-09 12:14:26,118 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703969276]
[2024-11-09 12:14:26,118 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 12:14:26,118 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-09 12:14:26,118 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 12:14:26,120 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-09 12:14:26,120 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-09 12:14:26,120 INFO  L87              Difference]: Start difference. First operand 54 states and 65 transitions. Second operand  has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-09 12:14:26,146 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 12:14:26,146 INFO  L93              Difference]: Finished difference Result 74 states and 92 transitions.
[2024-11-09 12:14:26,147 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-09 12:14:26,147 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19
[2024-11-09 12:14:26,147 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 12:14:26,149 INFO  L225             Difference]: With dead ends: 74
[2024-11-09 12:14:26,149 INFO  L226             Difference]: Without dead ends: 72
[2024-11-09 12:14:26,150 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-09 12:14:26,151 INFO  L432           NwaCegarLoop]: 14 mSDtfsCounter, 1 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 12:14:26,152 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 39 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 12:14:26,153 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 72 states.
[2024-11-09 12:14:26,166 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72.
[2024-11-09 12:14:26,167 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 72 states, 56 states have (on average 1.2321428571428572) internal successors, (69), 57 states have internal predecessors, (69), 6 states have call successors, (6), 5 states have call predecessors, (6), 7 states have return successors, (9), 9 states have call predecessors, (9), 5 states have call successors, (9)
[2024-11-09 12:14:26,168 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 84 transitions.
[2024-11-09 12:14:26,169 INFO  L78                 Accepts]: Start accepts. Automaton has 72 states and 84 transitions. Word has length 19
[2024-11-09 12:14:26,169 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 12:14:26,169 INFO  L471      AbstractCegarLoop]: Abstraction has 72 states and 84 transitions.
[2024-11-09 12:14:26,169 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-09 12:14:26,170 INFO  L276                IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions.
[2024-11-09 12:14:26,170 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2024-11-09 12:14:26,170 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 12:14:26,171 INFO  L215           NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 12:14:26,171 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-09 12:14:26,171 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-09 12:14:26,172 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 12:14:26,172 INFO  L85        PathProgramCache]: Analyzing trace with hash -614066819, now seen corresponding path program 1 times
[2024-11-09 12:14:26,172 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 12:14:26,173 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304257980]
[2024-11-09 12:14:26,173 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 12:14:26,173 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 12:14:26,192 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:26,301 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-09 12:14:26,305 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:26,316 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:26,318 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:26,327 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-11-09 12:14:26,327 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 12:14:26,328 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304257980]
[2024-11-09 12:14:26,328 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304257980] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 12:14:26,328 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 12:14:26,328 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-09 12:14:26,328 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600500299]
[2024-11-09 12:14:26,328 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 12:14:26,329 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 12:14:26,329 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 12:14:26,329 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 12:14:26,329 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 12:14:26,330 INFO  L87              Difference]: Start difference. First operand 72 states and 84 transitions. Second operand  has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-09 12:14:26,349 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 12:14:26,349 INFO  L93              Difference]: Finished difference Result 72 states and 84 transitions.
[2024-11-09 12:14:26,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-09 12:14:26,351 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24
[2024-11-09 12:14:26,352 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 12:14:26,353 INFO  L225             Difference]: With dead ends: 72
[2024-11-09 12:14:26,354 INFO  L226             Difference]: Without dead ends: 71
[2024-11-09 12:14:26,355 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 12:14:26,356 INFO  L432           NwaCegarLoop]: 13 mSDtfsCounter, 1 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 25 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
[2024-11-09 12:14:26,356 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 25 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 12:14:26,357 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 71 states.
[2024-11-09 12:14:26,375 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71.
[2024-11-09 12:14:26,375 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 71 states, 56 states have (on average 1.1428571428571428) internal successors, (64), 56 states have internal predecessors, (64), 6 states have call successors, (6), 5 states have call predecessors, (6), 7 states have return successors, (9), 9 states have call predecessors, (9), 5 states have call successors, (9)
[2024-11-09 12:14:26,376 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions.
[2024-11-09 12:14:26,377 INFO  L78                 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 24
[2024-11-09 12:14:26,377 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 12:14:26,377 INFO  L471      AbstractCegarLoop]: Abstraction has 71 states and 79 transitions.
[2024-11-09 12:14:26,377 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-09 12:14:26,378 INFO  L276                IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions.
[2024-11-09 12:14:26,378 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2024-11-09 12:14:26,379 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 12:14:26,379 INFO  L215           NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1]
[2024-11-09 12:14:26,379 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-09 12:14:26,379 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-09 12:14:26,380 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 12:14:26,380 INFO  L85        PathProgramCache]: Analyzing trace with hash -1990585420, now seen corresponding path program 2 times
[2024-11-09 12:14:26,380 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 12:14:26,380 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642240035]
[2024-11-09 12:14:26,380 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 12:14:26,381 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 12:14:26,392 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:26,576 INFO  L134       CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 12:14:26,576 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 12:14:26,576 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642240035]
[2024-11-09 12:14:26,576 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642240035] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 12:14:26,577 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160051977]
[2024-11-09 12:14:26,580 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-09 12:14:26,581 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 12:14:26,581 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 12:14:26,584 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)
[2024-11-09 12:14:26,586 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-09 12:14:26,637 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-09 12:14:26,637 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-09 12:14:26,642 INFO  L255         TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-11-09 12:14:26,644 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 12:14:26,727 INFO  L134       CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 12:14:26,728 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 12:14:26,970 INFO  L134       CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 12:14:26,970 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [160051977] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 12:14:26,971 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-09 12:14:26,971 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23
[2024-11-09 12:14:26,972 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533588382]
[2024-11-09 12:14:26,972 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-09 12:14:26,972 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2024-11-09 12:14:26,972 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 12:14:26,974 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2024-11-09 12:14:26,975 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552
[2024-11-09 12:14:26,975 INFO  L87              Difference]: Start difference. First operand 71 states and 79 transitions. Second operand  has 24 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 14 states have internal predecessors, (41), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 12:14:27,357 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 12:14:27,357 INFO  L93              Difference]: Finished difference Result 188 states and 204 transitions.
[2024-11-09 12:14:27,357 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2024-11-09 12:14:27,358 INFO  L78                 Accepts]: Start accepts. Automaton has  has 24 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 14 states have internal predecessors, (41), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26
[2024-11-09 12:14:27,359 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 12:14:27,360 INFO  L225             Difference]: With dead ends: 188
[2024-11-09 12:14:27,362 INFO  L226             Difference]: Without dead ends: 156
[2024-11-09 12:14:27,363 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122
[2024-11-09 12:14:27,365 INFO  L432           NwaCegarLoop]: 28 mSDtfsCounter, 272 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-09 12:14:27,366 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 201 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-09 12:14:27,369 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 156 states.
[2024-11-09 12:14:27,385 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 146.
[2024-11-09 12:14:27,386 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 146 states, 116 states have (on average 1.146551724137931) internal successors, (133), 116 states have internal predecessors, (133), 12 states have call successors, (12), 11 states have call predecessors, (12), 16 states have return successors, (18), 18 states have call predecessors, (18), 11 states have call successors, (18)
[2024-11-09 12:14:27,387 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 163 transitions.
[2024-11-09 12:14:27,388 INFO  L78                 Accepts]: Start accepts. Automaton has 146 states and 163 transitions. Word has length 26
[2024-11-09 12:14:27,388 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 12:14:27,388 INFO  L471      AbstractCegarLoop]: Abstraction has 146 states and 163 transitions.
[2024-11-09 12:14:27,392 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 24 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 14 states have internal predecessors, (41), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 12:14:27,392 INFO  L276                IsEmpty]: Start isEmpty. Operand 146 states and 163 transitions.
[2024-11-09 12:14:27,393 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2024-11-09 12:14:27,393 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 12:14:27,393 INFO  L215           NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1]
[2024-11-09 12:14:27,412 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-09 12:14:27,594 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
[2024-11-09 12:14:27,595 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-09 12:14:27,596 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 12:14:27,596 INFO  L85        PathProgramCache]: Analyzing trace with hash 1350016289, now seen corresponding path program 1 times
[2024-11-09 12:14:27,596 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 12:14:27,596 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303387396]
[2024-11-09 12:14:27,596 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 12:14:27,596 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 12:14:27,617 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:27,682 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-09 12:14:27,691 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:27,725 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:27,728 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:27,768 INFO  L134       CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked.
[2024-11-09 12:14:27,768 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 12:14:27,768 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303387396]
[2024-11-09 12:14:27,768 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303387396] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 12:14:27,769 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850600589]
[2024-11-09 12:14:27,769 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 12:14:27,769 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 12:14:27,769 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 12:14:27,772 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 12:14:27,787 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-09 12:14:27,829 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:27,830 INFO  L255         TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-11-09 12:14:27,832 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 12:14:28,049 INFO  L134       CoverageAnalysis]: Checked inductivity of 65 backedges. 3 proven. 60 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-09 12:14:28,050 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 12:14:28,427 INFO  L134       CoverageAnalysis]: Checked inductivity of 65 backedges. 3 proven. 61 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-09 12:14:28,427 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [850600589] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 12:14:28,428 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-09 12:14:28,428 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 14, 15] total 30
[2024-11-09 12:14:28,428 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83598330]
[2024-11-09 12:14:28,428 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-09 12:14:28,429 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 30 states
[2024-11-09 12:14:28,429 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 12:14:28,430 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants.
[2024-11-09 12:14:28,431 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=725, Unknown=0, NotChecked=0, Total=870
[2024-11-09 12:14:28,431 INFO  L87              Difference]: Start difference. First operand 146 states and 163 transitions. Second operand  has 30 states, 28 states have (on average 2.4642857142857144) internal successors, (69), 22 states have internal predecessors, (69), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6)
[2024-11-09 12:14:28,819 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 12:14:28,820 INFO  L93              Difference]: Finished difference Result 208 states and 227 transitions.
[2024-11-09 12:14:28,820 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. 
[2024-11-09 12:14:28,820 INFO  L78                 Accepts]: Start accepts. Automaton has  has 30 states, 28 states have (on average 2.4642857142857144) internal successors, (69), 22 states have internal predecessors, (69), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 40
[2024-11-09 12:14:28,821 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 12:14:28,824 INFO  L225             Difference]: With dead ends: 208
[2024-11-09 12:14:28,824 INFO  L226             Difference]: Without dead ends: 142
[2024-11-09 12:14:28,826 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 65 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=318, Invalid=1322, Unknown=0, NotChecked=0, Total=1640
[2024-11-09 12:14:28,826 INFO  L432           NwaCegarLoop]: 44 mSDtfsCounter, 199 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-09 12:14:28,827 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 413 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-09 12:14:28,827 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 142 states.
[2024-11-09 12:14:28,841 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 134.
[2024-11-09 12:14:28,841 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 134 states, 107 states have (on average 1.1121495327102804) internal successors, (119), 106 states have internal predecessors, (119), 12 states have call successors, (12), 11 states have call predecessors, (12), 13 states have return successors, (16), 16 states have call predecessors, (16), 11 states have call successors, (16)
[2024-11-09 12:14:28,843 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 147 transitions.
[2024-11-09 12:14:28,844 INFO  L78                 Accepts]: Start accepts. Automaton has 134 states and 147 transitions. Word has length 40
[2024-11-09 12:14:28,844 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 12:14:28,844 INFO  L471      AbstractCegarLoop]: Abstraction has 134 states and 147 transitions.
[2024-11-09 12:14:28,844 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 30 states, 28 states have (on average 2.4642857142857144) internal successors, (69), 22 states have internal predecessors, (69), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6)
[2024-11-09 12:14:28,844 INFO  L276                IsEmpty]: Start isEmpty. Operand 134 states and 147 transitions.
[2024-11-09 12:14:28,845 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2024-11-09 12:14:28,846 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 12:14:28,846 INFO  L215           NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1, 1]
[2024-11-09 12:14:28,864 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-09 12:14:29,049 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 12:14:29,050 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-09 12:14:29,050 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 12:14:29,050 INFO  L85        PathProgramCache]: Analyzing trace with hash -91829804, now seen corresponding path program 3 times
[2024-11-09 12:14:29,050 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 12:14:29,051 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572846086]
[2024-11-09 12:14:29,051 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 12:14:29,051 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 12:14:29,080 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:29,636 INFO  L134       CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 12:14:29,637 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 12:14:29,637 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572846086]
[2024-11-09 12:14:29,637 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572846086] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 12:14:29,637 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684272071]
[2024-11-09 12:14:29,637 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-09 12:14:29,637 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 12:14:29,638 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 12:14:29,643 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 12:14:29,647 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-09 12:14:29,699 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s)
[2024-11-09 12:14:29,699 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-09 12:14:29,703 INFO  L255         TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 24 conjuncts are in the unsatisfiable core
[2024-11-09 12:14:29,706 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 12:14:29,807 INFO  L134       CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 12:14:29,808 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 12:14:30,417 INFO  L134       CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 12:14:30,417 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [684272071] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 12:14:30,417 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-09 12:14:30,418 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47
[2024-11-09 12:14:30,418 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633935790]
[2024-11-09 12:14:30,418 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-09 12:14:30,418 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 48 states
[2024-11-09 12:14:30,419 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 12:14:30,420 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants.
[2024-11-09 12:14:30,421 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=1700, Unknown=0, NotChecked=0, Total=2256
[2024-11-09 12:14:30,421 INFO  L87              Difference]: Start difference. First operand 134 states and 147 transitions. Second operand  has 48 states, 45 states have (on average 1.9777777777777779) internal successors, (89), 26 states have internal predecessors, (89), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 12:14:31,250 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 12:14:31,250 INFO  L93              Difference]: Finished difference Result 438 states and 470 transitions.
[2024-11-09 12:14:31,251 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2024-11-09 12:14:31,252 INFO  L78                 Accepts]: Start accepts. Automaton has  has 48 states, 45 states have (on average 1.9777777777777779) internal successors, (89), 26 states have internal predecessors, (89), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56
[2024-11-09 12:14:31,252 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 12:14:31,255 INFO  L225             Difference]: With dead ends: 438
[2024-11-09 12:14:31,256 INFO  L226             Difference]: Without dead ends: 386
[2024-11-09 12:14:31,259 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1337, Invalid=3493, Unknown=0, NotChecked=0, Total=4830
[2024-11-09 12:14:31,260 INFO  L432           NwaCegarLoop]: 57 mSDtfsCounter, 622 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 623 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-09 12:14:31,260 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [623 Valid, 467 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-09 12:14:31,262 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 386 states.
[2024-11-09 12:14:31,300 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 364.
[2024-11-09 12:14:31,301 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 364 states, 291 states have (on average 1.120274914089347) internal successors, (326), 290 states have internal predecessors, (326), 24 states have call successors, (24), 23 states have call predecessors, (24), 47 states have return successors, (50), 50 states have call predecessors, (50), 23 states have call successors, (50)
[2024-11-09 12:14:31,304 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 400 transitions.
[2024-11-09 12:14:31,306 INFO  L78                 Accepts]: Start accepts. Automaton has 364 states and 400 transitions. Word has length 56
[2024-11-09 12:14:31,306 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 12:14:31,306 INFO  L471      AbstractCegarLoop]: Abstraction has 364 states and 400 transitions.
[2024-11-09 12:14:31,307 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 48 states, 45 states have (on average 1.9777777777777779) internal successors, (89), 26 states have internal predecessors, (89), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 12:14:31,307 INFO  L276                IsEmpty]: Start isEmpty. Operand 364 states and 400 transitions.
[2024-11-09 12:14:31,308 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2024-11-09 12:14:31,309 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 12:14:31,309 INFO  L215           NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1]
[2024-11-09 12:14:31,326 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-09 12:14:31,509 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 12:14:31,510 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-09 12:14:31,510 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 12:14:31,510 INFO  L85        PathProgramCache]: Analyzing trace with hash 1351701622, now seen corresponding path program 2 times
[2024-11-09 12:14:31,511 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 12:14:31,511 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933901180]
[2024-11-09 12:14:31,511 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 12:14:31,511 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 12:14:31,538 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:31,911 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47
[2024-11-09 12:14:31,916 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:31,974 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:31,976 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:32,006 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:32,009 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:32,055 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 299 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-11-09 12:14:32,055 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 12:14:32,055 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933901180]
[2024-11-09 12:14:32,055 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933901180] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 12:14:32,056 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1297911585]
[2024-11-09 12:14:32,056 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-09 12:14:32,056 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 12:14:32,056 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 12:14:32,058 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 12:14:32,062 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-09 12:14:32,117 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-09 12:14:32,117 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-09 12:14:32,119 INFO  L255         TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 26 conjuncts are in the unsatisfiable core
[2024-11-09 12:14:32,121 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 12:14:32,272 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 297 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.
[2024-11-09 12:14:32,272 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 12:14:33,025 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 303 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-11-09 12:14:33,025 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1297911585] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 12:14:33,025 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-09 12:14:33,026 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 27] total 50
[2024-11-09 12:14:33,026 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953793058]
[2024-11-09 12:14:33,026 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-09 12:14:33,027 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 50 states
[2024-11-09 12:14:33,027 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 12:14:33,028 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants.
[2024-11-09 12:14:33,029 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=485, Invalid=1965, Unknown=0, NotChecked=0, Total=2450
[2024-11-09 12:14:33,029 INFO  L87              Difference]: Start difference. First operand 364 states and 400 transitions. Second operand  has 50 states, 48 states have (on average 2.2708333333333335) internal successors, (109), 32 states have internal predecessors, (109), 24 states have call successors, (24), 19 states have call predecessors, (24), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8)
[2024-11-09 12:14:33,721 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 12:14:33,721 INFO  L93              Difference]: Finished difference Result 481 states and 516 transitions.
[2024-11-09 12:14:33,722 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2024-11-09 12:14:33,723 INFO  L78                 Accepts]: Start accepts. Automaton has  has 50 states, 48 states have (on average 2.2708333333333335) internal successors, (109), 32 states have internal predecessors, (109), 24 states have call successors, (24), 19 states have call predecessors, (24), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) Word has length 75
[2024-11-09 12:14:33,723 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 12:14:33,725 INFO  L225             Difference]: With dead ends: 481
[2024-11-09 12:14:33,725 INFO  L226             Difference]: Without dead ends: 290
[2024-11-09 12:14:33,728 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 127 SyntacticMatches, 3 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1159 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1144, Invalid=3686, Unknown=0, NotChecked=0, Total=4830
[2024-11-09 12:14:33,728 INFO  L432           NwaCegarLoop]: 98 mSDtfsCounter, 367 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 956 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-09 12:14:33,729 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 956 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-09 12:14:33,729 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 290 states.
[2024-11-09 12:14:33,750 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 264.
[2024-11-09 12:14:33,751 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 264 states, 211 states have (on average 1.1184834123222749) internal successors, (236), 210 states have internal predecessors, (236), 24 states have call successors, (24), 23 states have call predecessors, (24), 27 states have return successors, (30), 30 states have call predecessors, (30), 23 states have call successors, (30)
[2024-11-09 12:14:33,752 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 290 transitions.
[2024-11-09 12:14:33,753 INFO  L78                 Accepts]: Start accepts. Automaton has 264 states and 290 transitions. Word has length 75
[2024-11-09 12:14:33,753 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 12:14:33,753 INFO  L471      AbstractCegarLoop]: Abstraction has 264 states and 290 transitions.
[2024-11-09 12:14:33,754 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 50 states, 48 states have (on average 2.2708333333333335) internal successors, (109), 32 states have internal predecessors, (109), 24 states have call successors, (24), 19 states have call predecessors, (24), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8)
[2024-11-09 12:14:33,754 INFO  L276                IsEmpty]: Start isEmpty. Operand 264 states and 290 transitions.
[2024-11-09 12:14:33,755 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 117
[2024-11-09 12:14:33,755 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 12:14:33,755 INFO  L215           NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 1, 1, 1, 1]
[2024-11-09 12:14:33,770 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-11-09 12:14:33,958 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 12:14:33,958 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-09 12:14:33,959 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 12:14:33,959 INFO  L85        PathProgramCache]: Analyzing trace with hash -1473917420, now seen corresponding path program 4 times
[2024-11-09 12:14:33,959 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 12:14:33,959 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261128866]
[2024-11-09 12:14:33,959 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 12:14:33,959 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 12:14:33,979 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:35,236 INFO  L134       CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 12:14:35,236 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 12:14:35,236 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261128866]
[2024-11-09 12:14:35,236 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261128866] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 12:14:35,236 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647627689]
[2024-11-09 12:14:35,236 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-11-09 12:14:35,236 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 12:14:35,237 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 12:14:35,240 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 12:14:35,242 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-09 12:14:35,304 INFO  L227   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-11-09 12:14:35,305 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-09 12:14:35,307 INFO  L255         TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 48 conjuncts are in the unsatisfiable core
[2024-11-09 12:14:35,311 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 12:14:35,477 INFO  L134       CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 12:14:35,477 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 12:14:37,254 INFO  L134       CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 12:14:37,255 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [647627689] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 12:14:37,255 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-09 12:14:37,255 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95
[2024-11-09 12:14:37,255 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318318444]
[2024-11-09 12:14:37,255 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-09 12:14:37,256 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 96 states
[2024-11-09 12:14:37,256 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 12:14:37,257 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants.
[2024-11-09 12:14:37,260 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=2260, Invalid=6860, Unknown=0, NotChecked=0, Total=9120
[2024-11-09 12:14:37,260 INFO  L87              Difference]: Start difference. First operand 264 states and 290 transitions. Second operand  has 96 states, 93 states have (on average 1.989247311827957) internal successors, (185), 50 states have internal predecessors, (185), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 12:14:39,356 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 12:14:39,357 INFO  L93              Difference]: Finished difference Result 892 states and 961 transitions.
[2024-11-09 12:14:39,357 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. 
[2024-11-09 12:14:39,358 INFO  L78                 Accepts]: Start accepts. Automaton has  has 96 states, 93 states have (on average 1.989247311827957) internal successors, (185), 50 states have internal predecessors, (185), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116
[2024-11-09 12:14:39,358 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 12:14:39,362 INFO  L225             Difference]: With dead ends: 892
[2024-11-09 12:14:39,362 INFO  L226             Difference]: Without dead ends: 770
[2024-11-09 12:14:39,367 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4140 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=5549, Invalid=14473, Unknown=0, NotChecked=0, Total=20022
[2024-11-09 12:14:39,368 INFO  L432           NwaCegarLoop]: 117 mSDtfsCounter, 1585 mSDsluCounter, 1007 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1586 SdHoareTripleChecker+Valid, 1124 SdHoareTripleChecker+Invalid, 905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-09 12:14:39,368 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1586 Valid, 1124 Invalid, 905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-09 12:14:39,369 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 770 states.
[2024-11-09 12:14:39,405 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 724.
[2024-11-09 12:14:39,406 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 724 states, 579 states have (on average 1.1226252158894645) internal successors, (650), 578 states have internal predecessors, (650), 48 states have call successors, (48), 47 states have call predecessors, (48), 95 states have return successors, (98), 98 states have call predecessors, (98), 47 states have call successors, (98)
[2024-11-09 12:14:39,410 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 796 transitions.
[2024-11-09 12:14:39,410 INFO  L78                 Accepts]: Start accepts. Automaton has 724 states and 796 transitions. Word has length 116
[2024-11-09 12:14:39,411 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 12:14:39,411 INFO  L471      AbstractCegarLoop]: Abstraction has 724 states and 796 transitions.
[2024-11-09 12:14:39,411 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 96 states, 93 states have (on average 1.989247311827957) internal successors, (185), 50 states have internal predecessors, (185), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 12:14:39,411 INFO  L276                IsEmpty]: Start isEmpty. Operand 724 states and 796 transitions.
[2024-11-09 12:14:39,413 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 136
[2024-11-09 12:14:39,413 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 12:14:39,414 INFO  L215           NwaCegarLoop]: trace histogram [24, 23, 23, 23, 23, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1]
[2024-11-09 12:14:39,432 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-11-09 12:14:39,614 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 12:14:39,615 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-09 12:14:39,615 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 12:14:39,615 INFO  L85        PathProgramCache]: Analyzing trace with hash 409036854, now seen corresponding path program 3 times
[2024-11-09 12:14:39,615 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 12:14:39,616 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684084265]
[2024-11-09 12:14:39,616 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 12:14:39,616 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 12:14:39,642 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:40,827 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107
[2024-11-09 12:14:40,831 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:40,900 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:40,903 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:40,948 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:40,950 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:41,018 INFO  L134       CoverageAnalysis]: Checked inductivity of 1326 backedges. 6 proven. 1313 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-11-09 12:14:41,018 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 12:14:41,018 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684084265]
[2024-11-09 12:14:41,018 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684084265] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 12:14:41,018 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198178111]
[2024-11-09 12:14:41,019 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-09 12:14:41,019 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 12:14:41,019 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 12:14:41,021 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 12:14:41,023 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-09 12:14:41,068 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2024-11-09 12:14:41,068 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-09 12:14:41,069 INFO  L255         TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-09 12:14:41,075 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 12:14:41,253 INFO  L134       CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1311 trivial. 0 not checked.
[2024-11-09 12:14:41,254 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 12:14:41,572 INFO  L134       CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1311 trivial. 0 not checked.
[2024-11-09 12:14:41,573 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198178111] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 12:14:41,573 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-09 12:14:41,573 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 7, 7] total 62
[2024-11-09 12:14:41,574 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440504173]
[2024-11-09 12:14:41,574 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-09 12:14:41,575 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 62 states
[2024-11-09 12:14:41,575 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 12:14:41,576 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants.
[2024-11-09 12:14:41,577 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=576, Invalid=3206, Unknown=0, NotChecked=0, Total=3782
[2024-11-09 12:14:41,578 INFO  L87              Difference]: Start difference. First operand 724 states and 796 transitions. Second operand  has 62 states, 61 states have (on average 2.2131147540983607) internal successors, (135), 41 states have internal predecessors, (135), 24 states have call successors, (25), 22 states have call predecessors, (25), 9 states have return successors, (9), 9 states have call predecessors, (9), 3 states have call successors, (9)
[2024-11-09 12:14:43,157 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 12:14:43,158 INFO  L93              Difference]: Finished difference Result 1393 states and 1577 transitions.
[2024-11-09 12:14:43,158 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. 
[2024-11-09 12:14:43,159 INFO  L78                 Accepts]: Start accepts. Automaton has  has 62 states, 61 states have (on average 2.2131147540983607) internal successors, (135), 41 states have internal predecessors, (135), 24 states have call successors, (25), 22 states have call predecessors, (25), 9 states have return successors, (9), 9 states have call predecessors, (9), 3 states have call successors, (9) Word has length 135
[2024-11-09 12:14:43,159 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 12:14:43,165 INFO  L225             Difference]: With dead ends: 1393
[2024-11-09 12:14:43,166 INFO  L226             Difference]: Without dead ends: 1277
[2024-11-09 12:14:43,171 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2208 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1572, Invalid=9140, Unknown=0, NotChecked=0, Total=10712
[2024-11-09 12:14:43,172 INFO  L432           NwaCegarLoop]: 97 mSDtfsCounter, 576 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 1163 SdHoareTripleChecker+Invalid, 1148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-09 12:14:43,172 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 1163 Invalid, 1148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1075 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-09 12:14:43,174 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1277 states.
[2024-11-09 12:14:43,244 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 1256.
[2024-11-09 12:14:43,246 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1256 states, 1007 states have (on average 1.0695134061569016) internal successors, (1077), 1002 states have internal predecessors, (1077), 48 states have call successors, (48), 47 states have call predecessors, (48), 199 states have return successors, (206), 206 states have call predecessors, (206), 47 states have call successors, (206)
[2024-11-09 12:14:43,251 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1331 transitions.
[2024-11-09 12:14:43,252 INFO  L78                 Accepts]: Start accepts. Automaton has 1256 states and 1331 transitions. Word has length 135
[2024-11-09 12:14:43,253 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 12:14:43,253 INFO  L471      AbstractCegarLoop]: Abstraction has 1256 states and 1331 transitions.
[2024-11-09 12:14:43,253 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 62 states, 61 states have (on average 2.2131147540983607) internal successors, (135), 41 states have internal predecessors, (135), 24 states have call successors, (25), 22 states have call predecessors, (25), 9 states have return successors, (9), 9 states have call predecessors, (9), 3 states have call successors, (9)
[2024-11-09 12:14:43,253 INFO  L276                IsEmpty]: Start isEmpty. Operand 1256 states and 1331 transitions.
[2024-11-09 12:14:43,256 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 161
[2024-11-09 12:14:43,256 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 12:14:43,256 INFO  L215           NwaCegarLoop]: trace histogram [25, 24, 24, 24, 24, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1]
[2024-11-09 12:14:43,275 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-11-09 12:14:43,456 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 12:14:43,458 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-09 12:14:43,458 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 12:14:43,458 INFO  L85        PathProgramCache]: Analyzing trace with hash 1174213911, now seen corresponding path program 4 times
[2024-11-09 12:14:43,459 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 12:14:43,459 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548242234]
[2024-11-09 12:14:43,459 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 12:14:43,459 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 12:14:43,486 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:44,394 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92
[2024-11-09 12:14:44,401 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:44,485 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:44,491 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:44,546 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:44,552 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:44,607 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:44,611 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:44,656 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:44,660 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:44,699 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:44,701 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:44,736 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:44,738 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:44,785 INFO  L134       CoverageAnalysis]: Checked inductivity of 1533 backedges. 18 proven. 1434 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked.
[2024-11-09 12:14:44,785 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 12:14:44,785 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548242234]
[2024-11-09 12:14:44,785 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548242234] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 12:14:44,785 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072816255]
[2024-11-09 12:14:44,786 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-11-09 12:14:44,786 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 12:14:44,786 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 12:14:44,787 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 12:14:44,788 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-11-09 12:14:44,850 INFO  L227   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-11-09 12:14:44,850 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-09 12:14:44,852 INFO  L255         TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 52 conjuncts are in the unsatisfiable core
[2024-11-09 12:14:44,856 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 12:14:45,091 INFO  L134       CoverageAnalysis]: Checked inductivity of 1533 backedges. 18 proven. 1428 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked.
[2024-11-09 12:14:45,091 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 12:14:47,172 INFO  L134       CoverageAnalysis]: Checked inductivity of 1533 backedges. 18 proven. 1494 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2024-11-09 12:14:47,173 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072816255] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 12:14:47,173 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-09 12:14:47,173 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 47, 53] total 57
[2024-11-09 12:14:47,173 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375170664]
[2024-11-09 12:14:47,173 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-09 12:14:47,174 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 57 states
[2024-11-09 12:14:47,174 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 12:14:47,175 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants.
[2024-11-09 12:14:47,176 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=2562, Unknown=0, NotChecked=0, Total=3192
[2024-11-09 12:14:47,176 INFO  L87              Difference]: Start difference. First operand 1256 states and 1331 transitions. Second operand  has 57 states, 56 states have (on average 2.5) internal successors, (140), 39 states have internal predecessors, (140), 27 states have call successors, (27), 19 states have call predecessors, (27), 8 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19)
[2024-11-09 12:14:47,919 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 12:14:47,919 INFO  L93              Difference]: Finished difference Result 1421 states and 1495 transitions.
[2024-11-09 12:14:47,920 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. 
[2024-11-09 12:14:47,920 INFO  L78                 Accepts]: Start accepts. Automaton has  has 57 states, 56 states have (on average 2.5) internal successors, (140), 39 states have internal predecessors, (140), 27 states have call successors, (27), 19 states have call predecessors, (27), 8 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19) Word has length 160
[2024-11-09 12:14:47,921 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 12:14:47,926 INFO  L225             Difference]: With dead ends: 1421
[2024-11-09 12:14:47,926 INFO  L226             Difference]: Without dead ends: 1300
[2024-11-09 12:14:47,927 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 279 SyntacticMatches, 44 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2778 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1449, Invalid=5031, Unknown=0, NotChecked=0, Total=6480
[2024-11-09 12:14:47,928 INFO  L432           NwaCegarLoop]: 98 mSDtfsCounter, 394 mSDsluCounter, 854 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-09 12:14:47,928 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 952 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-09 12:14:47,929 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1300 states.
[2024-11-09 12:14:47,987 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1300 to 1226.
[2024-11-09 12:14:47,989 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1226 states, 983 states have (on average 1.0701932858596135) internal successors, (1052), 978 states have internal predecessors, (1052), 48 states have call successors, (48), 47 states have call predecessors, (48), 193 states have return successors, (200), 200 states have call predecessors, (200), 47 states have call successors, (200)
[2024-11-09 12:14:47,995 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1226 states and 1300 transitions.
[2024-11-09 12:14:47,996 INFO  L78                 Accepts]: Start accepts. Automaton has 1226 states and 1300 transitions. Word has length 160
[2024-11-09 12:14:47,996 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 12:14:47,997 INFO  L471      AbstractCegarLoop]: Abstraction has 1226 states and 1300 transitions.
[2024-11-09 12:14:47,998 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 57 states, 56 states have (on average 2.5) internal successors, (140), 39 states have internal predecessors, (140), 27 states have call successors, (27), 19 states have call predecessors, (27), 8 states have return successors, (19), 7 states have call predecessors, (19), 9 states have call successors, (19)
[2024-11-09 12:14:47,998 INFO  L276                IsEmpty]: Start isEmpty. Operand 1226 states and 1300 transitions.
[2024-11-09 12:14:48,000 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 166
[2024-11-09 12:14:48,000 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 12:14:48,001 INFO  L215           NwaCegarLoop]: trace histogram [26, 25, 25, 25, 25, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1]
[2024-11-09 12:14:48,018 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-11-09 12:14:48,202 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2024-11-09 12:14:48,202 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-09 12:14:48,203 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 12:14:48,203 INFO  L85        PathProgramCache]: Analyzing trace with hash -365448554, now seen corresponding path program 5 times
[2024-11-09 12:14:48,203 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 12:14:48,203 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904246367]
[2024-11-09 12:14:48,203 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 12:14:48,204 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 12:14:48,227 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:48,352 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97
[2024-11-09 12:14:48,358 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:48,408 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:48,413 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:48,455 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:48,472 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:48,525 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:48,530 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:48,569 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:48,573 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:48,605 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:48,608 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:48,640 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:48,643 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:48,682 INFO  L134       CoverageAnalysis]: Checked inductivity of 1655 backedges. 25 proven. 105 refuted. 0 times theorem prover too weak. 1525 trivial. 0 not checked.
[2024-11-09 12:14:48,682 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 12:14:48,682 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904246367]
[2024-11-09 12:14:48,682 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904246367] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 12:14:48,683 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293440456]
[2024-11-09 12:14:48,683 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-11-09 12:14:48,683 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 12:14:48,683 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 12:14:48,685 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 12:14:48,687 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-11-09 12:14:48,818 INFO  L227   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s)
[2024-11-09 12:14:48,818 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-09 12:14:48,820 INFO  L255         TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 15 conjuncts are in the unsatisfiable core
[2024-11-09 12:14:48,824 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 12:14:48,899 INFO  L134       CoverageAnalysis]: Checked inductivity of 1655 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked.
[2024-11-09 12:14:48,899 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 12:14:49,955 INFO  L134       CoverageAnalysis]: Checked inductivity of 1655 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked.
[2024-11-09 12:14:49,955 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [293440456] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 12:14:49,955 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-09 12:14:49,956 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 32
[2024-11-09 12:14:49,956 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226125274]
[2024-11-09 12:14:49,956 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-09 12:14:49,956 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 33 states
[2024-11-09 12:14:49,956 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 12:14:49,957 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants.
[2024-11-09 12:14:49,957 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=783, Unknown=0, NotChecked=0, Total=1056
[2024-11-09 12:14:49,957 INFO  L87              Difference]: Start difference. First operand 1226 states and 1300 transitions. Second operand  has 33 states, 32 states have (on average 2.1875) internal successors, (70), 33 states have internal predecessors, (70), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15)
[2024-11-09 12:14:50,368 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 12:14:50,369 INFO  L93              Difference]: Finished difference Result 2511 states and 2852 transitions.
[2024-11-09 12:14:50,369 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2024-11-09 12:14:50,369 INFO  L78                 Accepts]: Start accepts. Automaton has  has 33 states, 32 states have (on average 2.1875) internal successors, (70), 33 states have internal predecessors, (70), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) Word has length 165
[2024-11-09 12:14:50,370 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 12:14:50,381 INFO  L225             Difference]: With dead ends: 2511
[2024-11-09 12:14:50,382 INFO  L226             Difference]: Without dead ends: 2510
[2024-11-09 12:14:50,384 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1325 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=720, Invalid=2820, Unknown=0, NotChecked=0, Total=3540
[2024-11-09 12:14:50,387 INFO  L432           NwaCegarLoop]: 8 mSDtfsCounter, 63 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-09 12:14:50,387 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 70 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-09 12:14:50,390 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2510 states.
[2024-11-09 12:14:50,513 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2510 to 2510.
[2024-11-09 12:14:50,518 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2510 states, 2015 states have (on average 1.0342431761786601) internal successors, (2084), 2002 states have internal predecessors, (2084), 48 states have call successors, (48), 47 states have call predecessors, (48), 445 states have return successors, (460), 460 states have call predecessors, (460), 47 states have call successors, (460)
[2024-11-09 12:14:50,529 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2510 states to 2510 states and 2592 transitions.
[2024-11-09 12:14:50,531 INFO  L78                 Accepts]: Start accepts. Automaton has 2510 states and 2592 transitions. Word has length 165
[2024-11-09 12:14:50,531 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 12:14:50,531 INFO  L471      AbstractCegarLoop]: Abstraction has 2510 states and 2592 transitions.
[2024-11-09 12:14:50,531 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 33 states, 32 states have (on average 2.1875) internal successors, (70), 33 states have internal predecessors, (70), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15)
[2024-11-09 12:14:50,531 INFO  L276                IsEmpty]: Start isEmpty. Operand 2510 states and 2592 transitions.
[2024-11-09 12:14:50,536 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 206
[2024-11-09 12:14:50,536 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 12:14:50,537 INFO  L215           NwaCegarLoop]: trace histogram [26, 25, 25, 25, 25, 15, 15, 15, 15, 14, 1, 1, 1, 1, 1]
[2024-11-09 12:14:50,556 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-11-09 12:14:50,741 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2024-11-09 12:14:50,743 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-09 12:14:50,744 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 12:14:50,744 INFO  L85        PathProgramCache]: Analyzing trace with hash 409955862, now seen corresponding path program 6 times
[2024-11-09 12:14:50,744 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 12:14:50,744 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445687223]
[2024-11-09 12:14:50,744 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 12:14:50,744 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 12:14:50,771 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:51,031 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57
[2024-11-09 12:14:51,044 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:51,215 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:51,241 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:51,388 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:51,403 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:51,539 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:51,555 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:51,677 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:51,717 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:51,810 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:51,819 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:51,909 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:51,916 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:52,004 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:52,014 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:52,091 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:52,098 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:52,176 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:52,182 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:52,239 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:52,244 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:52,321 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:52,325 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:52,378 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:52,383 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:52,448 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:52,451 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:52,500 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:14:52,503 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:14:52,556 INFO  L134       CoverageAnalysis]: Checked inductivity of 2075 backedges. 25 proven. 525 refuted. 0 times theorem prover too weak. 1525 trivial. 0 not checked.
[2024-11-09 12:14:52,557 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 12:14:52,557 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445687223]
[2024-11-09 12:14:52,557 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445687223] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 12:14:52,557 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995388640]
[2024-11-09 12:14:52,557 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2024-11-09 12:14:52,557 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 12:14:52,558 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 12:14:52,560 INFO  L229       MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 12:14:52,561 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-11-09 12:14:52,704 INFO  L227   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 26 check-sat command(s)
[2024-11-09 12:14:52,704 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-09 12:14:52,706 INFO  L255         TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 31 conjuncts are in the unsatisfiable core
[2024-11-09 12:14:52,711 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 12:14:52,862 INFO  L134       CoverageAnalysis]: Checked inductivity of 2075 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked.
[2024-11-09 12:14:52,862 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 12:15:03,955 INFO  L134       CoverageAnalysis]: Checked inductivity of 2075 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked.
[2024-11-09 12:15:03,956 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995388640] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 12:15:03,956 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-09 12:15:03,956 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31, 31] total 64
[2024-11-09 12:15:03,956 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181421923]
[2024-11-09 12:15:03,957 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-09 12:15:03,957 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 65 states
[2024-11-09 12:15:03,957 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 12:15:03,958 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants.
[2024-11-09 12:15:03,959 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1057, Invalid=3103, Unknown=0, NotChecked=0, Total=4160
[2024-11-09 12:15:03,959 INFO  L87              Difference]: Start difference. First operand 2510 states and 2592 transitions. Second operand  has 65 states, 64 states have (on average 2.09375) internal successors, (134), 65 states have internal predecessors, (134), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31)
[2024-11-09 12:15:05,043 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 12:15:05,044 INFO  L93              Difference]: Finished difference Result 5964 states and 6752 transitions.
[2024-11-09 12:15:05,044 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. 
[2024-11-09 12:15:05,044 INFO  L78                 Accepts]: Start accepts. Automaton has  has 65 states, 64 states have (on average 2.09375) internal successors, (134), 65 states have internal predecessors, (134), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) Word has length 205
[2024-11-09 12:15:05,045 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 12:15:05,068 INFO  L225             Difference]: With dead ends: 5964
[2024-11-09 12:15:05,068 INFO  L226             Difference]: Without dead ends: 5138
[2024-11-09 12:15:05,075 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 406 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6317 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=2976, Invalid=12276, Unknown=0, NotChecked=0, Total=15252
[2024-11-09 12:15:05,076 INFO  L432           NwaCegarLoop]: 8 mSDtfsCounter, 127 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-09 12:15:05,076 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 97 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-09 12:15:05,081 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5138 states.
[2024-11-09 12:15:05,404 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5138 to 5138.
[2024-11-09 12:15:05,413 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5138 states, 4127 states have (on average 1.0152653259025928) internal successors, (4190), 4098 states have internal predecessors, (4190), 48 states have call successors, (48), 47 states have call predecessors, (48), 961 states have return successors, (992), 992 states have call predecessors, (992), 47 states have call successors, (992)
[2024-11-09 12:15:05,434 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5138 states to 5138 states and 5230 transitions.
[2024-11-09 12:15:05,438 INFO  L78                 Accepts]: Start accepts. Automaton has 5138 states and 5230 transitions. Word has length 205
[2024-11-09 12:15:05,438 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 12:15:05,438 INFO  L471      AbstractCegarLoop]: Abstraction has 5138 states and 5230 transitions.
[2024-11-09 12:15:05,439 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 65 states, 64 states have (on average 2.09375) internal successors, (134), 65 states have internal predecessors, (134), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31)
[2024-11-09 12:15:05,439 INFO  L276                IsEmpty]: Start isEmpty. Operand 5138 states and 5230 transitions.
[2024-11-09 12:15:05,446 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 237
[2024-11-09 12:15:05,446 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 12:15:05,447 INFO  L215           NwaCegarLoop]: trace histogram [47, 47, 46, 46, 46, 1, 1, 1, 1]
[2024-11-09 12:15:05,468 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2024-11-09 12:15:05,647 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2024-11-09 12:15:05,647 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-09 12:15:05,648 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 12:15:05,648 INFO  L85        PathProgramCache]: Analyzing trace with hash -1766705516, now seen corresponding path program 5 times
[2024-11-09 12:15:05,648 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 12:15:05,648 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589548338]
[2024-11-09 12:15:05,648 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 12:15:05,649 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 12:15:05,698 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:09,426 INFO  L134       CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 12:15:09,426 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 12:15:09,427 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589548338]
[2024-11-09 12:15:09,427 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589548338] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 12:15:09,427 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767798902]
[2024-11-09 12:15:09,427 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-11-09 12:15:09,427 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 12:15:09,427 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 12:15:09,428 INFO  L229       MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 12:15:09,429 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-11-09 12:15:09,745 INFO  L227   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s)
[2024-11-09 12:15:09,745 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-09 12:15:09,749 INFO  L255         TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 96 conjuncts are in the unsatisfiable core
[2024-11-09 12:15:09,753 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 12:15:10,038 INFO  L134       CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 12:15:10,038 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 12:15:16,354 INFO  L134       CoverageAnalysis]: Checked inductivity of 5313 backedges. 0 proven. 5313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 12:15:16,355 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [767798902] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 12:15:16,355 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-09 12:15:16,355 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191
[2024-11-09 12:15:16,355 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069604318]
[2024-11-09 12:15:16,355 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-09 12:15:16,356 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 192 states
[2024-11-09 12:15:16,356 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 12:15:16,359 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants.
[2024-11-09 12:15:16,362 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9124, Invalid=27548, Unknown=0, NotChecked=0, Total=36672
[2024-11-09 12:15:16,363 INFO  L87              Difference]: Start difference. First operand 5138 states and 5230 transitions. Second operand  has 192 states, 189 states have (on average 1.9947089947089947) internal successors, (377), 98 states have internal predecessors, (377), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 12:15:17,936 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 12:15:17,937 INFO  L93              Difference]: Finished difference Result 5163 states and 5230 transitions.
[2024-11-09 12:15:17,937 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. 
[2024-11-09 12:15:17,938 INFO  L78                 Accepts]: Start accepts. Automaton has  has 192 states, 189 states have (on average 1.9947089947089947) internal successors, (377), 98 states have internal predecessors, (377), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 236
[2024-11-09 12:15:17,938 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 12:15:17,960 INFO  L225             Difference]: With dead ends: 5163
[2024-11-09 12:15:17,960 INFO  L226             Difference]: Without dead ends: 5162
[2024-11-09 12:15:17,966 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 593 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11393 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=13906, Invalid=33836, Unknown=0, NotChecked=0, Total=47742
[2024-11-09 12:15:17,967 INFO  L432           NwaCegarLoop]: 108 mSDtfsCounter, 965 mSDsluCounter, 842 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 965 SdHoareTripleChecker+Valid, 950 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-09 12:15:17,967 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [965 Valid, 950 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-09 12:15:17,972 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5162 states.
[2024-11-09 12:15:18,217 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5162 to 5137.
[2024-11-09 12:15:18,226 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5137 states, 4127 states have (on average 1.015023019142234) internal successors, (4189), 4097 states have internal predecessors, (4189), 48 states have call successors, (48), 47 states have call predecessors, (48), 961 states have return successors, (992), 992 states have call predecessors, (992), 47 states have call successors, (992)
[2024-11-09 12:15:18,240 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5137 states to 5137 states and 5229 transitions.
[2024-11-09 12:15:18,243 INFO  L78                 Accepts]: Start accepts. Automaton has 5137 states and 5229 transitions. Word has length 236
[2024-11-09 12:15:18,243 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-09 12:15:18,244 INFO  L471      AbstractCegarLoop]: Abstraction has 5137 states and 5229 transitions.
[2024-11-09 12:15:18,244 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 192 states, 189 states have (on average 1.9947089947089947) internal successors, (377), 98 states have internal predecessors, (377), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 12:15:18,244 INFO  L276                IsEmpty]: Start isEmpty. Operand 5137 states and 5229 transitions.
[2024-11-09 12:15:18,257 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 316
[2024-11-09 12:15:18,257 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-09 12:15:18,257 INFO  L215           NwaCegarLoop]: trace histogram [32, 31, 31, 31, 31, 31, 31, 31, 31, 30, 1, 1, 1, 1, 1]
[2024-11-09 12:15:18,279 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2024-11-09 12:15:18,458 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2024-11-09 12:15:18,458 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-09 12:15:18,458 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 12:15:18,459 INFO  L85        PathProgramCache]: Analyzing trace with hash -1652786442, now seen corresponding path program 7 times
[2024-11-09 12:15:18,459 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 12:15:18,459 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786441051]
[2024-11-09 12:15:18,459 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 12:15:18,459 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 12:15:18,548 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:19,101 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-09 12:15:19,139 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:19,857 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:19,897 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:20,480 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:20,512 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:21,021 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:21,053 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:21,557 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:21,584 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:22,058 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:22,083 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:22,504 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:22,527 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:22,904 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:22,928 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:23,348 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:23,380 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:23,735 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:23,754 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:24,059 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:24,079 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:24,417 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:24,434 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:24,666 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:24,681 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:24,898 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:24,914 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:25,144 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:25,155 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:25,350 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:25,364 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:25,539 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:25,551 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:25,749 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:25,760 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:25,889 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:25,899 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:26,043 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:26,053 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:26,180 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:26,188 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:26,298 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:26,307 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:26,420 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:26,427 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:26,525 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:26,531 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:26,625 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:26,631 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:26,713 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:26,718 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:26,800 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:26,803 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:26,867 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:26,871 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:26,937 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:26,940 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:27,011 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:27,013 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:27,078 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-09 12:15:27,079 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:27,152 INFO  L134       CoverageAnalysis]: Checked inductivity of 4712 backedges. 31 proven. 2325 refuted. 0 times theorem prover too weak. 2356 trivial. 0 not checked.
[2024-11-09 12:15:27,152 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 12:15:27,152 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786441051]
[2024-11-09 12:15:27,152 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786441051] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 12:15:27,152 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690769474]
[2024-11-09 12:15:27,152 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2024-11-09 12:15:27,152 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 12:15:27,153 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 12:15:27,156 INFO  L229       MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 12:15:27,157 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2024-11-09 12:15:27,431 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 12:15:27,436 INFO  L255         TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 66 conjuncts are in the unsatisfiable core
[2024-11-09 12:15:27,441 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 12:15:28,813 INFO  L134       CoverageAnalysis]: Checked inductivity of 4712 backedges. 2325 proven. 152 refuted. 0 times theorem prover too weak. 2235 trivial. 0 not checked.
[2024-11-09 12:15:28,814 INFO  L311         TraceCheckSpWp]: Computing backward predicates...