./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-multidimensional/init-2-n-u.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 3061b6dc
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/array-multidimensional/init-2-n-u.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 44b18e123610caaf6237dddd08dfbd765ad919d1168e6261239628431b3c22b1
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m
[2024-11-18 09:15:08,091 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-18 09:15:08,172 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-18 09:15:08,182 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-18 09:15:08,182 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-18 09:15:08,208 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-18 09:15:08,210 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-18 09:15:08,211 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-18 09:15:08,212 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-18 09:15:08,213 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-18 09:15:08,214 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-18 09:15:08,214 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-18 09:15:08,215 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-18 09:15:08,215 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-18 09:15:08,216 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-18 09:15:08,218 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-18 09:15:08,219 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-18 09:15:08,219 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-18 09:15:08,219 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-18 09:15:08,220 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-18 09:15:08,220 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-18 09:15:08,220 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-18 09:15:08,221 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-18 09:15:08,221 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-18 09:15:08,221 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-18 09:15:08,221 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-18 09:15:08,222 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-18 09:15:08,222 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-18 09:15:08,222 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-18 09:15:08,222 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-18 09:15:08,223 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-18 09:15:08,223 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-18 09:15:08,223 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-18 09:15:08,224 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-18 09:15:08,224 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-18 09:15:08,224 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-18 09:15:08,224 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-18 09:15:08,225 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-18 09:15:08,225 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-18 09:15:08,225 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-18 09:15:08,226 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-18 09:15:08,226 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-18 09:15:08,226 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 ! call(reach_error())) )


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 -> 44b18e123610caaf6237dddd08dfbd765ad919d1168e6261239628431b3c22b1
[2024-11-18 09:15:08,475 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-18 09:15:08,500 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-18 09:15:08,503 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-18 09:15:08,504 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-18 09:15:08,505 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-18 09:15:08,506 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-multidimensional/init-2-n-u.c
[2024-11-18 09:15:09,929 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-18 09:15:10,100 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-18 09:15:10,101 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/init-2-n-u.c
[2024-11-18 09:15:10,113 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc5fe8cd2/0165c0d0e58e4ba2ab090b62f294bf8e/FLAGafec0a086
[2024-11-18 09:15:10,125 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc5fe8cd2/0165c0d0e58e4ba2ab090b62f294bf8e
[2024-11-18 09:15:10,127 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-18 09:15:10,128 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-18 09:15:10,129 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-18 09:15:10,129 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-18 09:15:10,135 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-18 09:15:10,136 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:15:10" (1/1) ...
[2024-11-18 09:15:10,139 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c991454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:10, skipping insertion in model container
[2024-11-18 09:15:10,139 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:15:10" (1/1) ...
[2024-11-18 09:15:10,159 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-18 09:15:10,343 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/init-2-n-u.c[322,335]
[2024-11-18 09:15:10,363 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-18 09:15:10,373 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-18 09:15:10,384 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/init-2-n-u.c[322,335]
[2024-11-18 09:15:10,393 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-18 09:15:10,410 INFO  L204         MainTranslator]: Completed translation
[2024-11-18 09:15:10,411 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:10 WrapperNode
[2024-11-18 09:15:10,411 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-18 09:15:10,412 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-18 09:15:10,413 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-18 09:15:10,413 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-18 09:15:10,419 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:10" (1/1) ...
[2024-11-18 09:15:10,426 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:10" (1/1) ...
[2024-11-18 09:15:10,443 INFO  L138                Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60
[2024-11-18 09:15:10,444 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-18 09:15:10,444 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-18 09:15:10,444 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-18 09:15:10,444 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-18 09:15:10,455 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:10" (1/1) ...
[2024-11-18 09:15:10,455 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:10" (1/1) ...
[2024-11-18 09:15:10,461 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:10" (1/1) ...
[2024-11-18 09:15:10,476 INFO  L175           MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1].
[2024-11-18 09:15:10,479 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:10" (1/1) ...
[2024-11-18 09:15:10,479 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:10" (1/1) ...
[2024-11-18 09:15:10,485 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:10" (1/1) ...
[2024-11-18 09:15:10,495 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:10" (1/1) ...
[2024-11-18 09:15:10,496 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:10" (1/1) ...
[2024-11-18 09:15:10,497 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:10" (1/1) ...
[2024-11-18 09:15:10,502 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-18 09:15:10,503 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-18 09:15:10,503 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-18 09:15:10,504 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-18 09:15:10,504 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:10" (1/1) ...
[2024-11-18 09:15:10,512 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-18 09:15:10,529 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 09:15:10,544 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)
[2024-11-18 09:15:10,551 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
[2024-11-18 09:15:10,594 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-18 09:15:10,594 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-18 09:15:10,594 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-18 09:15:10,594 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-18 09:15:10,595 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-18 09:15:10,595 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-18 09:15:10,595 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-18 09:15:10,596 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-18 09:15:10,596 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-18 09:15:10,597 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-18 09:15:10,597 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-18 09:15:10,661 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-18 09:15:10,663 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-18 09:15:10,772 INFO  L?                        ?]: Removed 13 outVars from TransFormulas that were not future-live.
[2024-11-18 09:15:10,772 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-18 09:15:10,787 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-18 09:15:10,787 INFO  L316             CfgBuilder]: Removed 4 assume(true) statements.
[2024-11-18 09:15:10,787 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:15:10 BoogieIcfgContainer
[2024-11-18 09:15:10,788 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-18 09:15:10,790 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-18 09:15:10,790 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-18 09:15:10,794 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-18 09:15:10,795 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:15:10" (1/3) ...
[2024-11-18 09:15:10,796 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4855e688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:15:10, skipping insertion in model container
[2024-11-18 09:15:10,796 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:15:10" (2/3) ...
[2024-11-18 09:15:10,797 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4855e688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:15:10, skipping insertion in model container
[2024-11-18 09:15:10,797 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:15:10" (3/3) ...
[2024-11-18 09:15:10,798 INFO  L112   eAbstractionObserver]: Analyzing ICFG init-2-n-u.c
[2024-11-18 09:15:10,815 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-18 09:15:10,816 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-18 09:15:10,880 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-18 09:15:10,887 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;@3326446b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-18 09:15:10,888 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-18 09:15:10,892 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 17 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:15:10,897 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-11-18 09:15:10,898 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 09:15:10,899 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 09:15:10,900 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 09:15:10,905 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 09:15:10,905 INFO  L85        PathProgramCache]: Analyzing trace with hash 252221889, now seen corresponding path program 1 times
[2024-11-18 09:15:10,914 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 09:15:10,914 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123805558]
[2024-11-18 09:15:10,915 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 09:15:10,915 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 09:15:11,029 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 09:15:11,183 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 09:15:11,184 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 09:15:11,184 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123805558]
[2024-11-18 09:15:11,184 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123805558] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 09:15:11,186 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 09:15:11,186 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 09:15:11,189 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241107639]
[2024-11-18 09:15:11,190 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 09:15:11,197 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 09:15:11,198 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 09:15:11,220 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 09:15:11,221 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 09:15:11,223 INFO  L87              Difference]: Start difference. First operand  has 17 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:15:11,285 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 09:15:11,285 INFO  L93              Difference]: Finished difference Result 35 states and 55 transitions.
[2024-11-18 09:15:11,287 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 09:15:11,288 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2024-11-18 09:15:11,288 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 09:15:11,295 INFO  L225             Difference]: With dead ends: 35
[2024-11-18 09:15:11,296 INFO  L226             Difference]: Without dead ends: 16
[2024-11-18 09:15:11,298 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
[2024-11-18 09:15:11,304 INFO  L432           NwaCegarLoop]: 17 mSDtfsCounter, 3 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-18 09:15:11,305 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 26 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-18 09:15:11,321 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2024-11-18 09:15:11,330 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14.
[2024-11-18 09:15:11,331 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:15:11,332 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions.
[2024-11-18 09:15:11,333 INFO  L78                 Accepts]: Start accepts. Automaton has 14 states and 17 transitions. Word has length 8
[2024-11-18 09:15:11,333 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 09:15:11,333 INFO  L471      AbstractCegarLoop]: Abstraction has 14 states and 17 transitions.
[2024-11-18 09:15:11,334 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:15:11,334 INFO  L276                IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions.
[2024-11-18 09:15:11,334 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-18 09:15:11,334 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 09:15:11,334 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 09:15:11,335 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-18 09:15:11,335 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 09:15:11,335 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 09:15:11,336 INFO  L85        PathProgramCache]: Analyzing trace with hash -1550338388, now seen corresponding path program 1 times
[2024-11-18 09:15:11,336 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 09:15:11,336 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392686725]
[2024-11-18 09:15:11,336 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 09:15:11,336 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 09:15:11,360 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 09:15:11,500 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 09:15:11,501 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 09:15:11,502 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392686725]
[2024-11-18 09:15:11,502 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392686725] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 09:15:11,502 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 09:15:11,503 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-18 09:15:11,503 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033391067]
[2024-11-18 09:15:11,503 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 09:15:11,505 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-18 09:15:11,506 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 09:15:11,508 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-18 09:15:11,508 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-18 09:15:11,509 INFO  L87              Difference]: Start difference. First operand 14 states and 17 transitions. Second operand  has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:15:11,537 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 09:15:11,537 INFO  L93              Difference]: Finished difference Result 31 states and 39 transitions.
[2024-11-18 09:15:11,538 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 09:15:11,538 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2024-11-18 09:15:11,538 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 09:15:11,539 INFO  L225             Difference]: With dead ends: 31
[2024-11-18 09:15:11,539 INFO  L226             Difference]: Without dead ends: 20
[2024-11-18 09:15:11,539 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-18 09:15:11,541 INFO  L432           NwaCegarLoop]: 11 mSDtfsCounter, 23 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-18 09:15:11,541 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 19 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-18 09:15:11,542 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 20 states.
[2024-11-18 09:15:11,546 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 16.
[2024-11-18 09:15:11,547 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:15:11,547 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions.
[2024-11-18 09:15:11,548 INFO  L78                 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 11
[2024-11-18 09:15:11,549 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 09:15:11,549 INFO  L471      AbstractCegarLoop]: Abstraction has 16 states and 19 transitions.
[2024-11-18 09:15:11,549 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:15:11,549 INFO  L276                IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions.
[2024-11-18 09:15:11,550 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-18 09:15:11,550 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 09:15:11,550 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 09:15:11,550 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-18 09:15:11,550 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 09:15:11,551 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 09:15:11,555 INFO  L85        PathProgramCache]: Analyzing trace with hash -2127602064, now seen corresponding path program 1 times
[2024-11-18 09:15:11,555 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 09:15:11,556 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376772299]
[2024-11-18 09:15:11,556 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 09:15:11,556 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 09:15:11,586 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 09:15:11,675 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 09:15:11,676 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 09:15:11,676 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376772299]
[2024-11-18 09:15:11,676 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376772299] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-18 09:15:11,677 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324162150]
[2024-11-18 09:15:11,677 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 09:15:11,677 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-18 09:15:11,677 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 09:15:11,679 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)
[2024-11-18 09:15:11,680 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-18 09:15:11,747 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 09:15:11,749 INFO  L255         TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-18 09:15:11,754 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-18 09:15:11,830 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 09:15:11,832 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-18 09:15:11,871 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 09:15:11,871 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324162150] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-18 09:15:11,872 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-18 09:15:11,872 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10
[2024-11-18 09:15:11,872 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819447279]
[2024-11-18 09:15:11,872 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-18 09:15:11,873 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-18 09:15:11,873 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 09:15:11,874 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-18 09:15:11,874 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90
[2024-11-18 09:15:11,875 INFO  L87              Difference]: Start difference. First operand 16 states and 19 transitions. Second operand  has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:15:11,962 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 09:15:11,962 INFO  L93              Difference]: Finished difference Result 47 states and 59 transitions.
[2024-11-18 09:15:11,963 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-18 09:15:11,963 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 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 12
[2024-11-18 09:15:11,963 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 09:15:11,964 INFO  L225             Difference]: With dead ends: 47
[2024-11-18 09:15:11,964 INFO  L226             Difference]: Without dead ends: 34
[2024-11-18 09:15:11,965 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132
[2024-11-18 09:15:11,966 INFO  L432           NwaCegarLoop]: 11 mSDtfsCounter, 47 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-18 09:15:11,967 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 50 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-18 09:15:11,967 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 34 states.
[2024-11-18 09:15:11,971 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 28.
[2024-11-18 09:15:11,971 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 28 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 27 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:15:11,972 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions.
[2024-11-18 09:15:11,973 INFO  L78                 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 12
[2024-11-18 09:15:11,973 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 09:15:11,973 INFO  L471      AbstractCegarLoop]: Abstraction has 28 states and 34 transitions.
[2024-11-18 09:15:11,973 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:15:11,973 INFO  L276                IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions.
[2024-11-18 09:15:11,974 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2024-11-18 09:15:11,974 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 09:15:11,974 INFO  L215           NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 09:15:11,987 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-18 09:15:12,174 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
[2024-11-18 09:15:12,175 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 09:15:12,175 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 09:15:12,176 INFO  L85        PathProgramCache]: Analyzing trace with hash 539330476, now seen corresponding path program 2 times
[2024-11-18 09:15:12,176 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 09:15:12,176 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768511975]
[2024-11-18 09:15:12,176 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-18 09:15:12,176 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 09:15:12,204 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-18 09:15:12,208 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-18 09:15:12,320 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2024-11-18 09:15:12,321 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 09:15:12,321 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768511975]
[2024-11-18 09:15:12,321 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768511975] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-18 09:15:12,322 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883984371]
[2024-11-18 09:15:12,322 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-18 09:15:12,322 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-18 09:15:12,323 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 09:15:12,325 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)
[2024-11-18 09:15:12,327 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-18 09:15:12,407 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-18 09:15:12,408 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-18 09:15:12,410 INFO  L255         TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-18 09:15:12,411 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-18 09:15:12,512 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 09:15:12,512 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-18 09:15:12,609 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 09:15:12,611 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883984371] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-18 09:15:12,611 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-18 09:15:12,611 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 8, 8] total 16
[2024-11-18 09:15:12,611 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918568665]
[2024-11-18 09:15:12,611 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-18 09:15:12,611 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-11-18 09:15:12,612 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 09:15:12,612 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-11-18 09:15:12,613 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240
[2024-11-18 09:15:12,613 INFO  L87              Difference]: Start difference. First operand 28 states and 34 transitions. Second operand  has 16 states, 16 states have (on average 1.75) internal successors, (28), 16 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:15:13,239 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 09:15:13,240 INFO  L93              Difference]: Finished difference Result 120 states and 156 transitions.
[2024-11-18 09:15:13,240 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. 
[2024-11-18 09:15:13,240 INFO  L78                 Accepts]: Start accepts. Automaton has  has 16 states, 16 states have (on average 1.75) internal successors, (28), 16 states have internal predecessors, (28), 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 15
[2024-11-18 09:15:13,240 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 09:15:13,244 INFO  L225             Difference]: With dead ends: 120
[2024-11-18 09:15:13,244 INFO  L226             Difference]: Without dead ends: 95
[2024-11-18 09:15:13,245 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=643, Invalid=1163, Unknown=0, NotChecked=0, Total=1806
[2024-11-18 09:15:13,246 INFO  L432           NwaCegarLoop]: 9 mSDtfsCounter, 140 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-18 09:15:13,247 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 58 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-18 09:15:13,247 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 95 states.
[2024-11-18 09:15:13,259 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 65.
[2024-11-18 09:15:13,260 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 65 states, 64 states have (on average 1.21875) internal successors, (78), 64 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:15:13,261 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 78 transitions.
[2024-11-18 09:15:13,261 INFO  L78                 Accepts]: Start accepts. Automaton has 65 states and 78 transitions. Word has length 15
[2024-11-18 09:15:13,261 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 09:15:13,262 INFO  L471      AbstractCegarLoop]: Abstraction has 65 states and 78 transitions.
[2024-11-18 09:15:13,262 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 16 states have (on average 1.75) internal successors, (28), 16 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 09:15:13,262 INFO  L276                IsEmpty]: Start isEmpty. Operand 65 states and 78 transitions.
[2024-11-18 09:15:13,263 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2024-11-18 09:15:13,263 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 09:15:13,263 INFO  L215           NwaCegarLoop]: trace histogram [20, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 09:15:13,275 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-18 09:15:13,463 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,SelfDestructingSolverStorable3
[2024-11-18 09:15:13,464 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 09:15:13,465 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 09:15:13,465 INFO  L85        PathProgramCache]: Analyzing trace with hash 681394081, now seen corresponding path program 3 times
[2024-11-18 09:15:13,465 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 09:15:13,465 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320167050]
[2024-11-18 09:15:13,465 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-18 09:15:13,465 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 09:15:13,528 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s)
[2024-11-18 09:15:13,529 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-18 09:15:13,820 INFO  L134       CoverageAnalysis]: Checked inductivity of 235 backedges. 123 proven. 55 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked.
[2024-11-18 09:15:13,820 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 09:15:13,821 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320167050]
[2024-11-18 09:15:13,821 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320167050] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-18 09:15:13,821 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411185629]
[2024-11-18 09:15:13,821 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-18 09:15:13,821 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-18 09:15:13,821 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 09:15:13,824 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)
[2024-11-18 09:15:13,825 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-18 09:15:14,341 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s)
[2024-11-18 09:15:14,342 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-18 09:15:14,344 INFO  L255         TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 92 conjuncts are in the unsatisfiable core
[2024-11-18 09:15:14,352 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-18 09:15:14,442 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-11-18 09:15:14,498 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11
[2024-11-18 09:15:14,554 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11
[2024-11-18 09:15:14,594 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11
[2024-11-18 09:15:14,647 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-11-18 09:15:14,648 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11
[2024-11-18 09:15:14,707 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-11-18 09:15:14,708 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11
[2024-11-18 09:15:14,767 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-11-18 09:15:14,768 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11
[2024-11-18 09:15:14,822 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-11-18 09:15:14,823 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11
[2024-11-18 09:15:14,876 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-11-18 09:15:14,877 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11
[2024-11-18 09:15:14,935 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-11-18 09:15:14,936 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11
[2024-11-18 09:15:15,028 INFO  L349             Elim1Store]: treesize reduction 27, result has 35.7 percent of original size
[2024-11-18 09:15:15,029 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 19
[2024-11-18 09:15:15,108 INFO  L349             Elim1Store]: treesize reduction 27, result has 35.7 percent of original size
[2024-11-18 09:15:15,109 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 27
[2024-11-18 09:15:15,188 INFO  L349             Elim1Store]: treesize reduction 27, result has 35.7 percent of original size
[2024-11-18 09:15:15,188 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 27
[2024-11-18 09:15:15,265 INFO  L349             Elim1Store]: treesize reduction 27, result has 35.7 percent of original size
[2024-11-18 09:15:15,266 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 27
[2024-11-18 09:15:15,340 INFO  L349             Elim1Store]: treesize reduction 27, result has 35.7 percent of original size
[2024-11-18 09:15:15,341 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 27
[2024-11-18 09:15:15,429 INFO  L349             Elim1Store]: treesize reduction 28, result has 34.9 percent of original size
[2024-11-18 09:15:15,430 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 27
[2024-11-18 09:15:15,497 INFO  L349             Elim1Store]: treesize reduction 28, result has 34.9 percent of original size
[2024-11-18 09:15:15,498 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 27
[2024-11-18 09:15:15,568 INFO  L349             Elim1Store]: treesize reduction 28, result has 34.9 percent of original size
[2024-11-18 09:15:15,568 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 27
[2024-11-18 09:15:15,639 INFO  L349             Elim1Store]: treesize reduction 28, result has 34.9 percent of original size
[2024-11-18 09:15:15,639 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 27
[2024-11-18 09:15:15,714 INFO  L349             Elim1Store]: treesize reduction 27, result has 35.7 percent of original size
[2024-11-18 09:15:15,715 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 27
[2024-11-18 09:15:15,990 INFO  L134       CoverageAnalysis]: Checked inductivity of 235 backedges. 15 proven. 219 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-18 09:15:15,991 INFO  L311         TraceCheckSpWp]: Computing backward predicates...