./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/ex3a.c --full-output --architecture 64bit


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


Checking for overflows
Using default analysis
Version a046e57d
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/ex3a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 514a2cd80a78774a6104ad373dace683a92f94b333b9f08b1b53c58f7478bd33
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m
[2024-10-13 13:05:18,787 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-10-13 13:05:18,849 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-10-13 13:05:18,855 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-10-13 13:05:18,855 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-13 13:05:18,877 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-13 13:05:18,878 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-13 13:05:18,878 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-13 13:05:18,879 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-10-13 13:05:18,881 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-10-13 13:05:18,881 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-10-13 13:05:18,881 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-10-13 13:05:18,882 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-13 13:05:18,882 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-10-13 13:05:18,882 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-10-13 13:05:18,882 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-13 13:05:18,883 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-10-13 13:05:18,883 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-10-13 13:05:18,883 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-10-13 13:05:18,883 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-10-13 13:05:18,883 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-10-13 13:05:18,884 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-10-13 13:05:18,885 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-10-13 13:05:18,885 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=ASSERTandASSUME
[2024-10-13 13:05:18,885 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-10-13 13:05:18,889 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-10-13 13:05:18,889 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-10-13 13:05:18,890 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-13 13:05:18,890 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-10-13 13:05:18,890 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-10-13 13:05:18,890 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-10-13 13:05:18,890 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-13 13:05:18,890 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-13 13:05:18,891 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-10-13 13:05:18,891 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-10-13 13:05:18,891 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-10-13 13:05:18,891 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-10-13 13:05:18,892 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-10-13 13:05:18,893 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-10-13 13:05:18,893 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-10-13 13:05:18,893 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-10-13 13:05:18,897 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 514a2cd80a78774a6104ad373dace683a92f94b333b9f08b1b53c58f7478bd33
[2024-10-13 13:05:19,123 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-13 13:05:19,144 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-13 13:05:19,147 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-13 13:05:19,148 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-10-13 13:05:19,148 INFO  L274        PluginConnector]: CDTParser initialized
[2024-10-13 13:05:19,149 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/ex3a.c
[2024-10-13 13:05:20,496 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-10-13 13:05:20,649 INFO  L384              CDTParser]: Found 1 translation units.
[2024-10-13 13:05:20,649 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/ex3a.c
[2024-10-13 13:05:20,657 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4735a669/250cc828c0614c53934109cde029ff46/FLAG9b249af86
[2024-10-13 13:05:20,669 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d4735a669/250cc828c0614c53934109cde029ff46
[2024-10-13 13:05:20,672 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-13 13:05:20,673 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-13 13:05:20,675 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-13 13:05:20,675 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-13 13:05:20,679 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-13 13:05:20,680 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:05:20" (1/1) ...
[2024-10-13 13:05:20,681 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@725772af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:20, skipping insertion in model container
[2024-10-13 13:05:20,681 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:05:20" (1/1) ...
[2024-10-13 13:05:20,695 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-10-13 13:05:20,831 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-13 13:05:20,835 INFO  L200         MainTranslator]: Completed pre-run
[2024-10-13 13:05:20,844 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-13 13:05:20,854 INFO  L204         MainTranslator]: Completed translation
[2024-10-13 13:05:20,855 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:20 WrapperNode
[2024-10-13 13:05:20,855 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-13 13:05:20,856 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-13 13:05:20,856 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-13 13:05:20,856 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-13 13:05:20,864 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:20" (1/1) ...
[2024-10-13 13:05:20,871 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:20" (1/1) ...
[2024-10-13 13:05:20,884 INFO  L138                Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21
[2024-10-13 13:05:20,884 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-13 13:05:20,885 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-13 13:05:20,885 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-13 13:05:20,885 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-10-13 13:05:20,892 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:20" (1/1) ...
[2024-10-13 13:05:20,892 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:20" (1/1) ...
[2024-10-13 13:05:20,893 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:20" (1/1) ...
[2024-10-13 13:05:20,897 INFO  L175           MemorySlicer]: No memory access in input program.
[2024-10-13 13:05:20,897 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:20" (1/1) ...
[2024-10-13 13:05:20,897 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:20" (1/1) ...
[2024-10-13 13:05:20,898 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:20" (1/1) ...
[2024-10-13 13:05:20,901 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:20" (1/1) ...
[2024-10-13 13:05:20,901 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:20" (1/1) ...
[2024-10-13 13:05:20,924 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:20" (1/1) ...
[2024-10-13 13:05:20,925 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-13 13:05:20,925 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-13 13:05:20,925 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-10-13 13:05:20,925 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-10-13 13:05:20,926 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:20" (1/1) ...
[2024-10-13 13:05:20,936 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-13 13:05:20,974 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-10-13 13:05:20,991 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)
[2024-10-13 13:05:20,993 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
[2024-10-13 13:05:21,024 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-13 13:05:21,025 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-13 13:05:21,082 INFO  L238             CfgBuilder]: Building ICFG
[2024-10-13 13:05:21,084 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-13 13:05:21,137 INFO  L?                        ?]: Removed 6 outVars from TransFormulas that were not future-live.
[2024-10-13 13:05:21,137 INFO  L287             CfgBuilder]: Performing block encoding
[2024-10-13 13:05:21,153 INFO  L309             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-13 13:05:21,154 INFO  L314             CfgBuilder]: Removed 1 assume(true) statements.
[2024-10-13 13:05:21,154 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:05:21 BoogieIcfgContainer
[2024-10-13 13:05:21,154 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-13 13:05:21,156 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-10-13 13:05:21,156 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-10-13 13:05:21,158 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-10-13 13:05:21,159 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:05:20" (1/3) ...
[2024-10-13 13:05:21,159 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@670e3caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:05:21, skipping insertion in model container
[2024-10-13 13:05:21,159 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:05:20" (2/3) ...
[2024-10-13 13:05:21,159 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@670e3caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:05:21, skipping insertion in model container
[2024-10-13 13:05:21,160 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:05:21" (3/3) ...
[2024-10-13 13:05:21,160 INFO  L112   eAbstractionObserver]: Analyzing ICFG ex3a.c
[2024-10-13 13:05:21,173 INFO  L209   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-10-13 13:05:21,174 INFO  L149   ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2024-10-13 13:05:21,212 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-10-13 13:05:21,217 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;@62cc5d67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-13 13:05:21,218 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-10-13 13:05:21,221 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 12 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-13 13:05:21,225 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2024-10-13 13:05:21,225 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-13 13:05:21,225 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1]
[2024-10-13 13:05:21,226 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-10-13 13:05:21,229 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-13 13:05:21,230 INFO  L85        PathProgramCache]: Analyzing trace with hash 57052, now seen corresponding path program 1 times
[2024-10-13 13:05:21,236 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-13 13:05:21,237 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018699166]
[2024-10-13 13:05:21,237 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-13 13:05:21,237 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-13 13:05:21,297 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-13 13:05:21,321 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-13 13:05:21,322 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-13 13:05:21,322 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018699166]
[2024-10-13 13:05:21,323 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018699166] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-13 13:05:21,323 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-13 13:05:21,323 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-10-13 13:05:21,324 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45928383]
[2024-10-13 13:05:21,325 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-13 13:05:21,327 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-10-13 13:05:21,328 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-13 13:05:21,344 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-10-13 13:05:21,344 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-10-13 13:05:21,346 INFO  L87              Difference]: Start difference. First operand  has 12 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-13 13:05:21,358 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-13 13:05:21,358 INFO  L93              Difference]: Finished difference Result 14 states and 14 transitions.
[2024-10-13 13:05:21,359 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-13 13:05:21,360 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3
[2024-10-13 13:05:21,361 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-13 13:05:21,365 INFO  L225             Difference]: With dead ends: 14
[2024-10-13 13:05:21,365 INFO  L226             Difference]: Without dead ends: 9
[2024-10-13 13:05:21,367 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-10-13 13:05:21,369 INFO  L432           NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-13 13:05:21,370 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-13 13:05:21,382 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9 states.
[2024-10-13 13:05:21,389 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9.
[2024-10-13 13:05:21,390 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9 states, 6 states have (on average 1.5) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-13 13:05:21,391 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions.
[2024-10-13 13:05:21,392 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 3
[2024-10-13 13:05:21,392 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-13 13:05:21,392 INFO  L471      AbstractCegarLoop]: Abstraction has 9 states and 9 transitions.
[2024-10-13 13:05:21,392 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-13 13:05:21,392 INFO  L276                IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions.
[2024-10-13 13:05:21,393 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2024-10-13 13:05:21,393 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-13 13:05:21,393 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2024-10-13 13:05:21,393 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-10-13 13:05:21,393 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-10-13 13:05:21,394 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-13 13:05:21,394 INFO  L85        PathProgramCache]: Analyzing trace with hash 1768657, now seen corresponding path program 1 times
[2024-10-13 13:05:21,394 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-13 13:05:21,394 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007318982]
[2024-10-13 13:05:21,394 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-13 13:05:21,394 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-13 13:05:21,400 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-10-13 13:05:21,401 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2138725082]
[2024-10-13 13:05:21,402 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-13 13:05:21,402 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-13 13:05:21,402 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-10-13 13:05:21,407 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)
[2024-10-13 13:05:21,412 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-10-13 13:05:21,439 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-13 13:05:21,441 INFO  L255         TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-10-13 13:05:21,444 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-10-13 13:05:21,473 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-13 13:05:21,474 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-10-13 13:05:21,474 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-13 13:05:21,474 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007318982]
[2024-10-13 13:05:21,475 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-10-13 13:05:21,475 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138725082]
[2024-10-13 13:05:21,475 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138725082] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-13 13:05:21,475 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-13 13:05:21,475 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-10-13 13:05:21,476 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486755674]
[2024-10-13 13:05:21,476 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-13 13:05:21,476 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-10-13 13:05:21,477 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-13 13:05:21,477 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-10-13 13:05:21,477 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-13 13:05:21,477 INFO  L87              Difference]: Start difference. First operand 9 states and 9 transitions. Second operand  has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-13 13:05:21,484 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-13 13:05:21,484 INFO  L93              Difference]: Finished difference Result 9 states and 9 transitions.
[2024-10-13 13:05:21,485 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-13 13:05:21,485 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4
[2024-10-13 13:05:21,485 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-13 13:05:21,485 INFO  L225             Difference]: With dead ends: 9
[2024-10-13 13:05:21,485 INFO  L226             Difference]: Without dead ends: 8
[2024-10-13 13:05:21,486 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-13 13:05:21,486 INFO  L432           NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 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
[2024-10-13 13:05:21,487 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-13 13:05:21,487 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8 states.
[2024-10-13 13:05:21,488 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8.
[2024-10-13 13:05:21,488 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-13 13:05:21,488 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions.
[2024-10-13 13:05:21,489 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4
[2024-10-13 13:05:21,489 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-13 13:05:21,489 INFO  L471      AbstractCegarLoop]: Abstraction has 8 states and 8 transitions.
[2024-10-13 13:05:21,489 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-13 13:05:21,489 INFO  L276                IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions.
[2024-10-13 13:05:21,489 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-10-13 13:05:21,489 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-13 13:05:21,490 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-10-13 13:05:21,502 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-10-13 13:05:21,690 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-13 13:05:21,691 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-10-13 13:05:21,691 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-13 13:05:21,692 INFO  L85        PathProgramCache]: Analyzing trace with hash 54828414, now seen corresponding path program 1 times
[2024-10-13 13:05:21,692 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-13 13:05:21,692 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807272410]
[2024-10-13 13:05:21,692 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-13 13:05:21,692 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-13 13:05:21,703 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-13 13:05:21,739 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-13 13:05:21,739 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-13 13:05:21,739 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807272410]
[2024-10-13 13:05:21,740 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807272410] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-13 13:05:21,740 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-13 13:05:21,740 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-10-13 13:05:21,740 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454771508]
[2024-10-13 13:05:21,740 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-13 13:05:21,740 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-10-13 13:05:21,741 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-13 13:05:21,741 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-10-13 13:05:21,741 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-13 13:05:21,741 INFO  L87              Difference]: Start difference. First operand 8 states and 8 transitions. Second operand  has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-13 13:05:21,748 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-13 13:05:21,748 INFO  L93              Difference]: Finished difference Result 8 states and 8 transitions.
[2024-10-13 13:05:21,748 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-13 13:05:21,748 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5
[2024-10-13 13:05:21,749 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-13 13:05:21,749 INFO  L225             Difference]: With dead ends: 8
[2024-10-13 13:05:21,749 INFO  L226             Difference]: Without dead ends: 7
[2024-10-13 13:05:21,749 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-13 13:05:21,750 INFO  L432           NwaCegarLoop]: 3 mSDtfsCounter, 1 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-13 13:05:21,750 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-13 13:05:21,751 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7 states.
[2024-10-13 13:05:21,752 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7.
[2024-10-13 13:05:21,752 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-13 13:05:21,752 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions.
[2024-10-13 13:05:21,752 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5
[2024-10-13 13:05:21,752 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-13 13:05:21,752 INFO  L471      AbstractCegarLoop]: Abstraction has 7 states and 7 transitions.
[2024-10-13 13:05:21,752 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-13 13:05:21,753 INFO  L276                IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions.
[2024-10-13 13:05:21,753 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-10-13 13:05:21,753 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-13 13:05:21,753 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-10-13 13:05:21,753 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-10-13 13:05:21,753 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-10-13 13:05:21,754 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-13 13:05:21,754 INFO  L85        PathProgramCache]: Analyzing trace with hash 1699680883, now seen corresponding path program 1 times
[2024-10-13 13:05:21,754 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-13 13:05:21,754 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750252987]
[2024-10-13 13:05:21,754 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-13 13:05:21,754 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-13 13:05:21,759 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-13 13:05:21,780 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-13 13:05:21,781 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-13 13:05:21,781 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750252987]
[2024-10-13 13:05:21,781 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750252987] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-13 13:05:21,781 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-13 13:05:21,781 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-10-13 13:05:21,781 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837629720]
[2024-10-13 13:05:21,782 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-13 13:05:21,782 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-10-13 13:05:21,782 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-13 13:05:21,782 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-10-13 13:05:21,782 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-13 13:05:21,782 INFO  L87              Difference]: Start difference. First operand 7 states and 7 transitions. Second operand  has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-13 13:05:21,790 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-13 13:05:21,790 INFO  L93              Difference]: Finished difference Result 13 states and 13 transitions.
[2024-10-13 13:05:21,794 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-10-13 13:05:21,794 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2024-10-13 13:05:21,794 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-13 13:05:21,795 INFO  L225             Difference]: With dead ends: 13
[2024-10-13 13:05:21,795 INFO  L226             Difference]: Without dead ends: 12
[2024-10-13 13:05:21,795 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-13 13:05:21,796 INFO  L432           NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-13 13:05:21,796 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-13 13:05:21,797 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12 states.
[2024-10-13 13:05:21,802 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12.
[2024-10-13 13:05:21,802 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-13 13:05:21,803 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions.
[2024-10-13 13:05:21,803 INFO  L78                 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 6
[2024-10-13 13:05:21,803 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-13 13:05:21,803 INFO  L471      AbstractCegarLoop]: Abstraction has 12 states and 12 transitions.
[2024-10-13 13:05:21,803 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-13 13:05:21,803 INFO  L276                IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions.
[2024-10-13 13:05:21,803 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-10-13 13:05:21,803 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-13 13:05:21,803 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1]
[2024-10-13 13:05:21,803 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-10-13 13:05:21,804 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-10-13 13:05:21,804 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-13 13:05:21,804 INFO  L85        PathProgramCache]: Analyzing trace with hash 299858906, now seen corresponding path program 1 times
[2024-10-13 13:05:21,804 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-13 13:05:21,804 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768430417]
[2024-10-13 13:05:21,804 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-13 13:05:21,804 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-13 13:05:21,821 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-13 13:05:21,867 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-13 13:05:21,868 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-13 13:05:21,868 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768430417]
[2024-10-13 13:05:21,868 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768430417] provided 0 perfect and 1 imperfect interpolant sequences
[2024-10-13 13:05:21,868 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706851647]
[2024-10-13 13:05:21,868 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-13 13:05:21,868 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-13 13:05:21,868 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-10-13 13:05:21,870 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)
[2024-10-13 13:05:21,875 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-10-13 13:05:21,906 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-13 13:05:21,906 INFO  L255         TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-10-13 13:05:21,907 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-10-13 13:05:21,948 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-13 13:05:21,949 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-10-13 13:05:21,987 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-13 13:05:21,988 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706851647] provided 0 perfect and 2 imperfect interpolant sequences
[2024-10-13 13:05:21,988 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-10-13 13:05:21,988 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4
[2024-10-13 13:05:21,989 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643711080]
[2024-10-13 13:05:21,989 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-10-13 13:05:21,990 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-10-13 13:05:21,990 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-13 13:05:21,990 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-10-13 13:05:21,990 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-10-13 13:05:21,990 INFO  L87              Difference]: Start difference. First operand 12 states and 12 transitions. Second operand  has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-13 13:05:22,019 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-13 13:05:22,019 INFO  L93              Difference]: Finished difference Result 28 states and 30 transitions.
[2024-10-13 13:05:22,019 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-10-13 13:05:22,019 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2024-10-13 13:05:22,019 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-13 13:05:22,020 INFO  L225             Difference]: With dead ends: 28
[2024-10-13 13:05:22,020 INFO  L226             Difference]: Without dead ends: 27
[2024-10-13 13:05:22,021 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-10-13 13:05:22,024 INFO  L432           NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-13 13:05:22,024 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-13 13:05:22,024 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 27 states.
[2024-10-13 13:05:22,029 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27.
[2024-10-13 13:05:22,030 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 27 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-13 13:05:22,030 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions.
[2024-10-13 13:05:22,030 INFO  L78                 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 11
[2024-10-13 13:05:22,030 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-13 13:05:22,030 INFO  L471      AbstractCegarLoop]: Abstraction has 27 states and 27 transitions.
[2024-10-13 13:05:22,030 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-13 13:05:22,030 INFO  L276                IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions.
[2024-10-13 13:05:22,031 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2024-10-13 13:05:22,031 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-13 13:05:22,031 INFO  L215           NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 1, 1]
[2024-10-13 13:05:22,045 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-10-13 13:05:22,231 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-13 13:05:22,232 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-10-13 13:05:22,234 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-13 13:05:22,234 INFO  L85        PathProgramCache]: Analyzing trace with hash -1057903821, now seen corresponding path program 2 times
[2024-10-13 13:05:22,234 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-13 13:05:22,234 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022122093]
[2024-10-13 13:05:22,234 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-13 13:05:22,234 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-13 13:05:22,254 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-13 13:05:22,385 INFO  L134       CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-13 13:05:22,386 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-13 13:05:22,386 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022122093]
[2024-10-13 13:05:22,386 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022122093] provided 0 perfect and 1 imperfect interpolant sequences
[2024-10-13 13:05:22,386 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164152944]
[2024-10-13 13:05:22,386 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-10-13 13:05:22,386 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-13 13:05:22,386 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-10-13 13:05:22,391 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)
[2024-10-13 13:05:22,392 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-10-13 13:05:22,432 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-10-13 13:05:22,432 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-10-13 13:05:22,433 INFO  L255         TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-10-13 13:05:22,434 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-10-13 13:05:22,478 INFO  L134       CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-13 13:05:22,478 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-10-13 13:05:22,572 INFO  L134       CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-13 13:05:22,572 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164152944] provided 0 perfect and 2 imperfect interpolant sequences
[2024-10-13 13:05:22,573 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-10-13 13:05:22,573 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10
[2024-10-13 13:05:22,575 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604929250]
[2024-10-13 13:05:22,575 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-10-13 13:05:22,575 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-10-13 13:05:22,575 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-13 13:05:22,576 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-10-13 13:05:22,576 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132
[2024-10-13 13:05:22,577 INFO  L87              Difference]: Start difference. First operand 27 states and 27 transitions. Second operand  has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-13 13:05:22,616 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-13 13:05:22,617 INFO  L93              Difference]: Finished difference Result 58 states and 63 transitions.
[2024-10-13 13:05:22,617 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2024-10-13 13:05:22,617 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26
[2024-10-13 13:05:22,617 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-13 13:05:22,618 INFO  L225             Difference]: With dead ends: 58
[2024-10-13 13:05:22,618 INFO  L226             Difference]: Without dead ends: 57
[2024-10-13 13:05:22,618 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132
[2024-10-13 13:05:22,619 INFO  L432           NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-13 13:05:22,619 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-13 13:05:22,620 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57 states.
[2024-10-13 13:05:22,624 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57.
[2024-10-13 13:05:22,625 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 57 states, 56 states have (on average 1.0178571428571428) internal successors, (57), 56 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-13 13:05:22,625 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions.
[2024-10-13 13:05:22,626 INFO  L78                 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 26
[2024-10-13 13:05:22,626 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-13 13:05:22,626 INFO  L471      AbstractCegarLoop]: Abstraction has 57 states and 57 transitions.
[2024-10-13 13:05:22,626 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-13 13:05:22,626 INFO  L276                IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions.
[2024-10-13 13:05:22,627 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2024-10-13 13:05:22,627 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-13 13:05:22,627 INFO  L215           NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 1, 1]
[2024-10-13 13:05:22,640 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-10-13 13:05:22,828 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-13 13:05:22,829 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-10-13 13:05:22,829 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-13 13:05:22,829 INFO  L85        PathProgramCache]: Analyzing trace with hash -2074784685, now seen corresponding path program 3 times
[2024-10-13 13:05:22,829 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-13 13:05:22,829 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899160813]
[2024-10-13 13:05:22,830 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-13 13:05:22,830 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-13 13:05:22,860 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-13 13:05:23,117 INFO  L134       CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-13 13:05:23,117 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-13 13:05:23,118 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899160813]
[2024-10-13 13:05:23,118 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899160813] provided 0 perfect and 1 imperfect interpolant sequences
[2024-10-13 13:05:23,118 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140678419]
[2024-10-13 13:05:23,118 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-10-13 13:05:23,119 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-13 13:05:23,119 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-10-13 13:05:23,120 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)
[2024-10-13 13:05:23,121 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-10-13 13:05:23,173 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s)
[2024-10-13 13:05:23,173 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-10-13 13:05:23,173 INFO  L255         TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-10-13 13:05:23,175 INFO  L278         TraceCheckSpWp]: Computing forward predicates...