./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.2.ufo.UNBOUNDED.pals.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/seq-mthreaded/pals_floodmax.4.2.ufo.UNBOUNDED.pals.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 2e33738ed6ea5e50e5f6c45ef52d667e94a1539d08a631ee5964d7b99a8f5c91
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m
[2024-11-18 14:39:07,276 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-18 14:39:07,372 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-18 14:39:07,377 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-18 14:39:07,380 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-18 14:39:07,419 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-18 14:39:07,420 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-18 14:39:07,420 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-18 14:39:07,421 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-18 14:39:07,422 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-18 14:39:07,423 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-18 14:39:07,423 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-18 14:39:07,424 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-18 14:39:07,426 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-18 14:39:07,426 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-18 14:39:07,427 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-18 14:39:07,427 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-18 14:39:07,427 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-18 14:39:07,428 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-18 14:39:07,428 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-18 14:39:07,428 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-18 14:39:07,433 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-18 14:39:07,433 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-18 14:39:07,433 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-18 14:39:07,434 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-18 14:39:07,434 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-18 14:39:07,434 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-18 14:39:07,435 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-18 14:39:07,435 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-18 14:39:07,436 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-18 14:39:07,437 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-18 14:39:07,437 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-18 14:39:07,437 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-18 14:39:07,438 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-18 14:39:07,438 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-18 14:39:07,438 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-18 14:39:07,439 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-18 14:39:07,439 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-18 14:39:07,439 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-18 14:39:07,439 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-18 14:39:07,440 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-18 14:39:07,440 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-18 14:39:07,440 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 -> 2e33738ed6ea5e50e5f6c45ef52d667e94a1539d08a631ee5964d7b99a8f5c91
[2024-11-18 14:39:07,712 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-18 14:39:07,738 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-18 14:39:07,741 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-18 14:39:07,743 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-18 14:39:07,743 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-18 14:39:07,745 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.2.ufo.UNBOUNDED.pals.c
[2024-11-18 14:39:09,245 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-18 14:39:09,534 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-18 14:39:09,534 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.2.ufo.UNBOUNDED.pals.c
[2024-11-18 14:39:09,553 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2e9c2255/1e9022d514824a85bcf86f96d3f55dc9/FLAGd8c654e7a
[2024-11-18 14:39:09,811 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2e9c2255/1e9022d514824a85bcf86f96d3f55dc9
[2024-11-18 14:39:09,813 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-18 14:39:09,814 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-18 14:39:09,816 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-18 14:39:09,816 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-18 14:39:09,822 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-18 14:39:09,822 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:39:09" (1/1) ...
[2024-11-18 14:39:09,823 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11f5e6c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:09, skipping insertion in model container
[2024-11-18 14:39:09,823 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:39:09" (1/1) ...
[2024-11-18 14:39:09,866 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-18 14:39:10,173 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/seq-mthreaded/pals_floodmax.4.2.ufo.UNBOUNDED.pals.c[28368,28381]
[2024-11-18 14:39:10,179 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-18 14:39:10,191 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-18 14:39:10,275 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/seq-mthreaded/pals_floodmax.4.2.ufo.UNBOUNDED.pals.c[28368,28381]
[2024-11-18 14:39:10,278 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-18 14:39:10,299 INFO  L204         MainTranslator]: Completed translation
[2024-11-18 14:39:10,299 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:10 WrapperNode
[2024-11-18 14:39:10,299 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-18 14:39:10,300 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-18 14:39:10,300 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-18 14:39:10,300 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-18 14:39:10,307 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:10" (1/1) ...
[2024-11-18 14:39:10,326 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:10" (1/1) ...
[2024-11-18 14:39:10,375 INFO  L138                Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 959
[2024-11-18 14:39:10,376 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-18 14:39:10,381 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-18 14:39:10,381 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-18 14:39:10,381 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-18 14:39:10,397 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:10" (1/1) ...
[2024-11-18 14:39:10,397 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:10" (1/1) ...
[2024-11-18 14:39:10,405 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:10" (1/1) ...
[2024-11-18 14:39:10,432 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-18 14:39:10,433 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:10" (1/1) ...
[2024-11-18 14:39:10,436 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:10" (1/1) ...
[2024-11-18 14:39:10,469 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:10" (1/1) ...
[2024-11-18 14:39:10,490 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:10" (1/1) ...
[2024-11-18 14:39:10,499 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:10" (1/1) ...
[2024-11-18 14:39:10,510 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:10" (1/1) ...
[2024-11-18 14:39:10,529 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-18 14:39:10,530 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-18 14:39:10,531 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-18 14:39:10,534 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-18 14:39:10,535 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:10" (1/1) ...
[2024-11-18 14:39:10,542 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-18 14:39:10,554 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 14:39:10,575 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 14:39:10,578 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 14:39:10,627 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-18 14:39:10,627 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-18 14:39:10,628 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-18 14:39:10,628 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-18 14:39:10,787 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-18 14:39:10,789 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-18 14:39:11,852 INFO  L?                        ?]: Removed 111 outVars from TransFormulas that were not future-live.
[2024-11-18 14:39:11,852 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-18 14:39:11,878 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-18 14:39:11,880 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-18 14:39:11,880 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:39:11 BoogieIcfgContainer
[2024-11-18 14:39:11,881 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-18 14:39:11,883 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-18 14:39:11,883 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-18 14:39:11,887 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-18 14:39:11,887 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:39:09" (1/3) ...
[2024-11-18 14:39:11,888 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f112d4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:39:11, skipping insertion in model container
[2024-11-18 14:39:11,888 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:39:10" (2/3) ...
[2024-11-18 14:39:11,889 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f112d4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:39:11, skipping insertion in model container
[2024-11-18 14:39:11,889 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:39:11" (3/3) ...
[2024-11-18 14:39:11,891 INFO  L112   eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.2.ufo.UNBOUNDED.pals.c
[2024-11-18 14:39:11,904 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-18 14:39:11,905 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-18 14:39:11,985 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-18 14:39:11,992 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;@3c2b0793, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-18 14:39:11,993 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-18 14:39:12,001 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 288 states, 286 states have (on average 1.8251748251748252) internal successors, (522), 287 states have internal predecessors, (522), 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 14:39:12,017 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 78
[2024-11-18 14:39:12,017 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:39:12,018 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 14:39:12,019 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:39:12,023 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:39:12,023 INFO  L85        PathProgramCache]: Analyzing trace with hash 2117571860, now seen corresponding path program 1 times
[2024-11-18 14:39:12,031 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:39:12,031 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56475500]
[2024-11-18 14:39:12,031 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:39:12,032 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:39:12,318 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:39:12,532 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 14:39:12,533 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:39:12,533 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56475500]
[2024-11-18 14:39:12,534 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56475500] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:39:12,535 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:39:12,535 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-18 14:39:12,537 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918433115]
[2024-11-18 14:39:12,538 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:39:12,542 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-18 14:39:12,543 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:39:12,573 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-18 14:39:12,574 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-18 14:39:12,579 INFO  L87              Difference]: Start difference. First operand  has 288 states, 286 states have (on average 1.8251748251748252) internal successors, (522), 287 states have internal predecessors, (522), 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, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 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 14:39:12,624 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:39:12,624 INFO  L93              Difference]: Finished difference Result 381 states and 687 transitions.
[2024-11-18 14:39:12,626 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-18 14:39:12,627 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 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 77
[2024-11-18 14:39:12,628 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:39:12,647 INFO  L225             Difference]: With dead ends: 381
[2024-11-18 14:39:12,648 INFO  L226             Difference]: Without dead ends: 284
[2024-11-18 14:39:12,653 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-18 14:39:12,656 INFO  L432           NwaCegarLoop]: 515 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-18 14:39:12,657 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-18 14:39:12,673 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 284 states.
[2024-11-18 14:39:12,701 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 284.
[2024-11-18 14:39:12,703 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 284 states, 283 states have (on average 1.8197879858657244) internal successors, (515), 283 states have internal predecessors, (515), 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 14:39:12,706 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 515 transitions.
[2024-11-18 14:39:12,707 INFO  L78                 Accepts]: Start accepts. Automaton has 284 states and 515 transitions. Word has length 77
[2024-11-18 14:39:12,708 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:39:12,708 INFO  L471      AbstractCegarLoop]: Abstraction has 284 states and 515 transitions.
[2024-11-18 14:39:12,708 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 38.5) internal successors, (77), 2 states have internal predecessors, (77), 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 14:39:12,708 INFO  L276                IsEmpty]: Start isEmpty. Operand 284 states and 515 transitions.
[2024-11-18 14:39:12,712 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 78
[2024-11-18 14:39:12,712 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:39:12,712 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 14:39:12,713 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-18 14:39:12,713 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:39:12,714 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:39:12,714 INFO  L85        PathProgramCache]: Analyzing trace with hash 1983558354, now seen corresponding path program 1 times
[2024-11-18 14:39:12,714 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:39:12,714 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902459921]
[2024-11-18 14:39:12,714 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:39:12,715 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:39:12,802 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:39:13,168 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 14:39:13,169 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:39:13,170 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902459921]
[2024-11-18 14:39:13,170 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902459921] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:39:13,171 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:39:13,171 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-18 14:39:13,171 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953367077]
[2024-11-18 14:39:13,171 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:39:13,173 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-18 14:39:13,174 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:39:13,175 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-18 14:39:13,176 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-18 14:39:13,176 INFO  L87              Difference]: Start difference. First operand 284 states and 515 transitions. Second operand  has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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 14:39:13,312 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:39:13,312 INFO  L93              Difference]: Finished difference Result 380 states and 680 transitions.
[2024-11-18 14:39:13,313 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-18 14:39:13,313 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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 77
[2024-11-18 14:39:13,314 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:39:13,316 INFO  L225             Difference]: With dead ends: 380
[2024-11-18 14:39:13,316 INFO  L226             Difference]: Without dead ends: 284
[2024-11-18 14:39:13,317 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-18 14:39:13,319 INFO  L432           NwaCegarLoop]: 513 mSDtfsCounter, 0 mSDsluCounter, 1492 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2005 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-18 14:39:13,320 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2005 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-18 14:39:13,322 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 284 states.
[2024-11-18 14:39:13,334 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 284.
[2024-11-18 14:39:13,335 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 284 states, 283 states have (on average 1.6713780918727916) internal successors, (473), 283 states have internal predecessors, (473), 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 14:39:13,336 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 473 transitions.
[2024-11-18 14:39:13,336 INFO  L78                 Accepts]: Start accepts. Automaton has 284 states and 473 transitions. Word has length 77
[2024-11-18 14:39:13,337 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:39:13,337 INFO  L471      AbstractCegarLoop]: Abstraction has 284 states and 473 transitions.
[2024-11-18 14:39:13,337 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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 14:39:13,337 INFO  L276                IsEmpty]: Start isEmpty. Operand 284 states and 473 transitions.
[2024-11-18 14:39:13,342 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 119
[2024-11-18 14:39:13,346 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:39:13,346 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 14:39:13,347 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-18 14:39:13,347 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:39:13,347 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:39:13,348 INFO  L85        PathProgramCache]: Analyzing trace with hash 188392410, now seen corresponding path program 1 times
[2024-11-18 14:39:13,348 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:39:13,348 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039231207]
[2024-11-18 14:39:13,348 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:39:13,348 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:39:13,407 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:39:13,628 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 14:39:13,629 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:39:13,630 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039231207]
[2024-11-18 14:39:13,630 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039231207] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:39:13,630 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:39:13,630 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 14:39:13,631 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204583927]
[2024-11-18 14:39:13,631 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:39:13,632 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 14:39:13,632 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:39:13,633 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 14:39:13,634 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 14:39:13,634 INFO  L87              Difference]: Start difference. First operand 284 states and 473 transitions. Second operand  has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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 14:39:13,698 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:39:13,699 INFO  L93              Difference]: Finished difference Result 457 states and 774 transitions.
[2024-11-18 14:39:13,699 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 14:39:13,700 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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 118
[2024-11-18 14:39:13,700 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:39:13,702 INFO  L225             Difference]: With dead ends: 457
[2024-11-18 14:39:13,704 INFO  L226             Difference]: Without dead ends: 365
[2024-11-18 14:39:13,705 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 14:39:13,706 INFO  L432           NwaCegarLoop]: 467 mSDtfsCounter, 131 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-18 14:39:13,709 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 887 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-18 14:39:13,710 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 365 states.
[2024-11-18 14:39:13,729 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 362.
[2024-11-18 14:39:13,734 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 362 states, 361 states have (on average 1.6759002770083102) internal successors, (605), 361 states have internal predecessors, (605), 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 14:39:13,736 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 605 transitions.
[2024-11-18 14:39:13,739 INFO  L78                 Accepts]: Start accepts. Automaton has 362 states and 605 transitions. Word has length 118
[2024-11-18 14:39:13,740 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:39:13,740 INFO  L471      AbstractCegarLoop]: Abstraction has 362 states and 605 transitions.
[2024-11-18 14:39:13,740 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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 14:39:13,741 INFO  L276                IsEmpty]: Start isEmpty. Operand 362 states and 605 transitions.
[2024-11-18 14:39:13,743 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 122
[2024-11-18 14:39:13,743 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:39:13,744 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 14:39:13,744 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-18 14:39:13,747 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:39:13,748 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:39:13,749 INFO  L85        PathProgramCache]: Analyzing trace with hash -2086049744, now seen corresponding path program 1 times
[2024-11-18 14:39:13,749 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:39:13,750 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034601133]
[2024-11-18 14:39:13,750 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:39:13,750 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:39:13,815 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:39:13,939 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 14:39:13,942 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:39:13,942 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034601133]
[2024-11-18 14:39:13,942 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034601133] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:39:13,943 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:39:13,943 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 14:39:13,943 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825666990]
[2024-11-18 14:39:13,943 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:39:13,943 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 14:39:13,943 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:39:13,944 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 14:39:13,944 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 14:39:13,944 INFO  L87              Difference]: Start difference. First operand 362 states and 605 transitions. Second operand  has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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 14:39:13,980 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:39:13,981 INFO  L93              Difference]: Finished difference Result 684 states and 1157 transitions.
[2024-11-18 14:39:13,981 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 14:39:13,981 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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 121
[2024-11-18 14:39:13,982 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:39:13,984 INFO  L225             Difference]: With dead ends: 684
[2024-11-18 14:39:13,984 INFO  L226             Difference]: Without dead ends: 514
[2024-11-18 14:39:13,986 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 14:39:13,990 INFO  L432           NwaCegarLoop]: 470 mSDtfsCounter, 132 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 899 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 14:39:13,990 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 899 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-18 14:39:13,991 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 514 states.
[2024-11-18 14:39:14,005 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 510.
[2024-11-18 14:39:14,006 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 510 states, 509 states have (on average 1.6836935166994107) internal successors, (857), 509 states have internal predecessors, (857), 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 14:39:14,009 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 857 transitions.
[2024-11-18 14:39:14,009 INFO  L78                 Accepts]: Start accepts. Automaton has 510 states and 857 transitions. Word has length 121
[2024-11-18 14:39:14,009 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:39:14,010 INFO  L471      AbstractCegarLoop]: Abstraction has 510 states and 857 transitions.
[2024-11-18 14:39:14,010 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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 14:39:14,011 INFO  L276                IsEmpty]: Start isEmpty. Operand 510 states and 857 transitions.
[2024-11-18 14:39:14,012 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 125
[2024-11-18 14:39:14,013 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:39:14,013 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 14:39:14,013 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-18 14:39:14,014 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:39:14,014 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:39:14,014 INFO  L85        PathProgramCache]: Analyzing trace with hash -623070795, now seen corresponding path program 1 times
[2024-11-18 14:39:14,014 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:39:14,015 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684507881]
[2024-11-18 14:39:14,015 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:39:14,015 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:39:14,071 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:39:14,237 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 14:39:14,238 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:39:14,238 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684507881]
[2024-11-18 14:39:14,239 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684507881] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:39:14,239 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:39:14,240 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 14:39:14,240 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336986112]
[2024-11-18 14:39:14,240 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:39:14,242 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 14:39:14,242 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:39:14,243 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 14:39:14,243 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 14:39:14,243 INFO  L87              Difference]: Start difference. First operand 510 states and 857 transitions. Second operand  has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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 14:39:14,306 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:39:14,306 INFO  L93              Difference]: Finished difference Result 1110 states and 1879 transitions.
[2024-11-18 14:39:14,307 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 14:39:14,307 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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 124
[2024-11-18 14:39:14,308 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:39:14,311 INFO  L225             Difference]: With dead ends: 1110
[2024-11-18 14:39:14,312 INFO  L226             Difference]: Without dead ends: 792
[2024-11-18 14:39:14,313 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 14:39:14,314 INFO  L432           NwaCegarLoop]: 470 mSDtfsCounter, 125 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 900 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 14:39:14,314 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 900 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-18 14:39:14,316 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 792 states.
[2024-11-18 14:39:14,334 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 786.
[2024-11-18 14:39:14,335 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 786 states, 785 states have (on average 1.6828025477707007) internal successors, (1321), 785 states have internal predecessors, (1321), 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 14:39:14,338 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1321 transitions.
[2024-11-18 14:39:14,338 INFO  L78                 Accepts]: Start accepts. Automaton has 786 states and 1321 transitions. Word has length 124
[2024-11-18 14:39:14,339 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:39:14,340 INFO  L471      AbstractCegarLoop]: Abstraction has 786 states and 1321 transitions.
[2024-11-18 14:39:14,340 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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 14:39:14,340 INFO  L276                IsEmpty]: Start isEmpty. Operand 786 states and 1321 transitions.
[2024-11-18 14:39:14,342 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 128
[2024-11-18 14:39:14,342 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:39:14,342 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 14:39:14,342 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-18 14:39:14,342 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:39:14,345 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:39:14,345 INFO  L85        PathProgramCache]: Analyzing trace with hash 1603254571, now seen corresponding path program 1 times
[2024-11-18 14:39:14,345 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:39:14,345 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530353999]
[2024-11-18 14:39:14,345 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:39:14,346 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:39:14,398 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:39:14,526 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 14:39:14,526 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:39:14,527 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530353999]
[2024-11-18 14:39:14,527 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530353999] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:39:14,527 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:39:14,528 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 14:39:14,528 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298051651]
[2024-11-18 14:39:14,529 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:39:14,529 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 14:39:14,529 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:39:14,530 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 14:39:14,530 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 14:39:14,530 INFO  L87              Difference]: Start difference. First operand 786 states and 1321 transitions. Second operand  has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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 14:39:14,577 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:39:14,577 INFO  L93              Difference]: Finished difference Result 1902 states and 3203 transitions.
[2024-11-18 14:39:14,577 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 14:39:14,578 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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 127
[2024-11-18 14:39:14,579 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:39:14,587 INFO  L225             Difference]: With dead ends: 1902
[2024-11-18 14:39:14,587 INFO  L226             Difference]: Without dead ends: 1308
[2024-11-18 14:39:14,589 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 14:39:14,590 INFO  L432           NwaCegarLoop]: 470 mSDtfsCounter, 118 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 901 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 14:39:14,591 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 901 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-18 14:39:14,593 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1308 states.
[2024-11-18 14:39:14,617 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 1298.
[2024-11-18 14:39:14,620 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1298 states, 1297 states have (on average 1.6723207401696223) internal successors, (2169), 1297 states have internal predecessors, (2169), 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 14:39:14,624 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1298 states and 2169 transitions.
[2024-11-18 14:39:14,624 INFO  L78                 Accepts]: Start accepts. Automaton has 1298 states and 2169 transitions. Word has length 127
[2024-11-18 14:39:14,625 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:39:14,625 INFO  L471      AbstractCegarLoop]: Abstraction has 1298 states and 2169 transitions.
[2024-11-18 14:39:14,625 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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 14:39:14,625 INFO  L276                IsEmpty]: Start isEmpty. Operand 1298 states and 2169 transitions.
[2024-11-18 14:39:14,627 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 131
[2024-11-18 14:39:14,627 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:39:14,627 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 14:39:14,627 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-18 14:39:14,628 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:39:14,628 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:39:14,628 INFO  L85        PathProgramCache]: Analyzing trace with hash 1273370830, now seen corresponding path program 1 times
[2024-11-18 14:39:14,628 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:39:14,629 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200366929]
[2024-11-18 14:39:14,629 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:39:14,629 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:39:14,710 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:39:14,918 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 14:39:14,918 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:39:14,918 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200366929]
[2024-11-18 14:39:14,919 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200366929] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:39:14,919 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:39:14,919 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-18 14:39:14,919 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457046392]
[2024-11-18 14:39:14,919 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:39:14,920 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-18 14:39:14,920 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:39:14,921 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-18 14:39:14,921 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-18 14:39:14,921 INFO  L87              Difference]: Start difference. First operand 1298 states and 2169 transitions. Second operand  has 6 states, 6 states have (on average 21.666666666666668) internal successors, (130), 6 states have internal predecessors, (130), 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 14:39:15,234 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:39:15,234 INFO  L93              Difference]: Finished difference Result 6530 states and 11093 transitions.
[2024-11-18 14:39:15,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-18 14:39:15,235 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 21.666666666666668) internal successors, (130), 6 states have internal predecessors, (130), 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 130
[2024-11-18 14:39:15,235 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:39:15,257 INFO  L225             Difference]: With dead ends: 6530
[2024-11-18 14:39:15,257 INFO  L226             Difference]: Without dead ends: 5424
[2024-11-18 14:39:15,262 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110
[2024-11-18 14:39:15,264 INFO  L432           NwaCegarLoop]: 473 mSDtfsCounter, 1589 mSDsluCounter, 3043 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1589 SdHoareTripleChecker+Valid, 3516 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-18 14:39:15,264 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1589 Valid, 3516 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-18 14:39:15,270 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5424 states.
[2024-11-18 14:39:15,385 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5424 to 2326.
[2024-11-18 14:39:15,390 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2326 states, 2325 states have (on average 1.6748387096774193) internal successors, (3894), 2325 states have internal predecessors, (3894), 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 14:39:15,398 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2326 states to 2326 states and 3894 transitions.
[2024-11-18 14:39:15,398 INFO  L78                 Accepts]: Start accepts. Automaton has 2326 states and 3894 transitions. Word has length 130
[2024-11-18 14:39:15,399 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:39:15,399 INFO  L471      AbstractCegarLoop]: Abstraction has 2326 states and 3894 transitions.
[2024-11-18 14:39:15,399 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 21.666666666666668) internal successors, (130), 6 states have internal predecessors, (130), 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 14:39:15,399 INFO  L276                IsEmpty]: Start isEmpty. Operand 2326 states and 3894 transitions.
[2024-11-18 14:39:15,402 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 132
[2024-11-18 14:39:15,402 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:39:15,402 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 14:39:15,403 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-18 14:39:15,404 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:39:15,404 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:39:15,404 INFO  L85        PathProgramCache]: Analyzing trace with hash -1274816655, now seen corresponding path program 1 times
[2024-11-18 14:39:15,405 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:39:15,405 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680766497]
[2024-11-18 14:39:15,405 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:39:15,405 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:39:15,449 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:39:15,584 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 14:39:15,584 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:39:15,584 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680766497]
[2024-11-18 14:39:15,585 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680766497] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:39:15,585 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:39:15,585 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-18 14:39:15,585 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859293380]
[2024-11-18 14:39:15,585 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:39:15,586 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-18 14:39:15,586 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:39:15,586 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-18 14:39:15,586 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-18 14:39:15,587 INFO  L87              Difference]: Start difference. First operand 2326 states and 3894 transitions. Second operand  has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 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 14:39:15,721 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:39:15,722 INFO  L93              Difference]: Finished difference Result 6744 states and 11406 transitions.
[2024-11-18 14:39:15,722 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 14:39:15,722 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 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 131
[2024-11-18 14:39:15,723 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:39:15,740 INFO  L225             Difference]: With dead ends: 6744
[2024-11-18 14:39:15,740 INFO  L226             Difference]: Without dead ends: 4610
[2024-11-18 14:39:15,744 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-18 14:39:15,746 INFO  L432           NwaCegarLoop]: 474 mSDtfsCounter, 457 mSDsluCounter, 1037 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 1511 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-18 14:39:15,746 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 1511 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-18 14:39:15,751 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4610 states.
[2024-11-18 14:39:15,841 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4610 to 3451.
[2024-11-18 14:39:15,850 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3451 states, 3450 states have (on average 1.6805797101449276) internal successors, (5798), 3450 states have internal predecessors, (5798), 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 14:39:15,863 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3451 states to 3451 states and 5798 transitions.
[2024-11-18 14:39:15,865 INFO  L78                 Accepts]: Start accepts. Automaton has 3451 states and 5798 transitions. Word has length 131
[2024-11-18 14:39:15,865 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:39:15,865 INFO  L471      AbstractCegarLoop]: Abstraction has 3451 states and 5798 transitions.
[2024-11-18 14:39:15,866 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 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 14:39:15,866 INFO  L276                IsEmpty]: Start isEmpty. Operand 3451 states and 5798 transitions.
[2024-11-18 14:39:15,869 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 133
[2024-11-18 14:39:15,869 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:39:15,869 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 14:39:15,869 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-18 14:39:15,870 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:39:15,870 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:39:15,870 INFO  L85        PathProgramCache]: Analyzing trace with hash 1504754277, now seen corresponding path program 1 times
[2024-11-18 14:39:15,870 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:39:15,871 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620858051]
[2024-11-18 14:39:15,871 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:39:15,871 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:39:15,953 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:39:16,097 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 14:39:16,098 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:39:16,098 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620858051]
[2024-11-18 14:39:16,098 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620858051] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:39:16,098 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:39:16,098 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-18 14:39:16,098 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449206405]
[2024-11-18 14:39:16,098 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:39:16,099 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-18 14:39:16,099 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:39:16,099 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-18 14:39:16,099 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-18 14:39:16,099 INFO  L87              Difference]: Start difference. First operand 3451 states and 5798 transitions. Second operand  has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 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 14:39:16,259 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:39:16,259 INFO  L93              Difference]: Finished difference Result 10068 states and 17008 transitions.
[2024-11-18 14:39:16,260 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 14:39:16,260 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 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 132
[2024-11-18 14:39:16,260 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:39:16,285 INFO  L225             Difference]: With dead ends: 10068
[2024-11-18 14:39:16,285 INFO  L226             Difference]: Without dead ends: 6809
[2024-11-18 14:39:16,291 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-18 14:39:16,292 INFO  L432           NwaCegarLoop]: 461 mSDtfsCounter, 457 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 1424 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-18 14:39:16,292 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 1424 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-18 14:39:16,299 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6809 states.
[2024-11-18 14:39:16,457 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6809 to 5106.
[2024-11-18 14:39:16,467 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5106 states, 5105 states have (on average 1.6789422135161607) internal successors, (8571), 5105 states have internal predecessors, (8571), 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 14:39:16,486 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5106 states to 5106 states and 8571 transitions.
[2024-11-18 14:39:16,487 INFO  L78                 Accepts]: Start accepts. Automaton has 5106 states and 8571 transitions. Word has length 132
[2024-11-18 14:39:16,487 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:39:16,487 INFO  L471      AbstractCegarLoop]: Abstraction has 5106 states and 8571 transitions.
[2024-11-18 14:39:16,488 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 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 14:39:16,488 INFO  L276                IsEmpty]: Start isEmpty. Operand 5106 states and 8571 transitions.
[2024-11-18 14:39:16,491 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 134
[2024-11-18 14:39:16,491 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:39:16,492 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 14:39:16,492 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-18 14:39:16,492 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:39:16,493 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:39:16,493 INFO  L85        PathProgramCache]: Analyzing trace with hash -1944006777, now seen corresponding path program 1 times
[2024-11-18 14:39:16,493 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:39:16,493 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897324183]
[2024-11-18 14:39:16,493 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:39:16,493 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:39:16,536 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:39:16,612 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 14:39:16,613 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:39:16,613 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897324183]
[2024-11-18 14:39:16,613 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897324183] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:39:16,613 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:39:16,613 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 14:39:16,614 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556227641]
[2024-11-18 14:39:16,614 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:39:16,614 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 14:39:16,614 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:39:16,615 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 14:39:16,615 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 14:39:16,615 INFO  L87              Difference]: Start difference. First operand 5106 states and 8571 transitions. Second operand  has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 14:39:16,737 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:39:16,737 INFO  L93              Difference]: Finished difference Result 11425 states and 19299 transitions.
[2024-11-18 14:39:16,738 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 14:39:16,738 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 133
[2024-11-18 14:39:16,739 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:39:16,766 INFO  L225             Difference]: With dead ends: 11425
[2024-11-18 14:39:16,767 INFO  L226             Difference]: Without dead ends: 7909
[2024-11-18 14:39:16,775 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 14:39:16,776 INFO  L432           NwaCegarLoop]: 592 mSDtfsCounter, 138 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 1043 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-18 14:39:16,776 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 1043 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-18 14:39:16,785 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7909 states.
[2024-11-18 14:39:17,015 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7909 to 7907.
[2024-11-18 14:39:17,033 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7907 states, 7906 states have (on average 1.6750569187958513) internal successors, (13243), 7906 states have internal predecessors, (13243), 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 14:39:17,064 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7907 states to 7907 states and 13243 transitions.
[2024-11-18 14:39:17,067 INFO  L78                 Accepts]: Start accepts. Automaton has 7907 states and 13243 transitions. Word has length 133
[2024-11-18 14:39:17,068 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:39:17,068 INFO  L471      AbstractCegarLoop]: Abstraction has 7907 states and 13243 transitions.
[2024-11-18 14:39:17,068 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 14:39:17,068 INFO  L276                IsEmpty]: Start isEmpty. Operand 7907 states and 13243 transitions.
[2024-11-18 14:39:17,070 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 134
[2024-11-18 14:39:17,071 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:39:17,071 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 14:39:17,071 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-18 14:39:17,071 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:39:17,072 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:39:17,072 INFO  L85        PathProgramCache]: Analyzing trace with hash 1941111592, now seen corresponding path program 1 times
[2024-11-18 14:39:17,072 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:39:17,072 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178949841]
[2024-11-18 14:39:17,073 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:39:17,073 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:39:17,135 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:39:17,303 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 14:39:17,304 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:39:17,304 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178949841]
[2024-11-18 14:39:17,304 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178949841] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:39:17,304 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:39:17,304 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-18 14:39:17,304 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991976615]
[2024-11-18 14:39:17,304 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:39:17,305 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-18 14:39:17,305 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:39:17,306 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-18 14:39:17,306 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-18 14:39:17,306 INFO  L87              Difference]: Start difference. First operand 7907 states and 13243 transitions. Second operand  has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 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 14:39:17,533 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:39:17,533 INFO  L93              Difference]: Finished difference Result 23494 states and 39550 transitions.
[2024-11-18 14:39:17,534 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 14:39:17,534 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 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 133
[2024-11-18 14:39:17,534 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:39:17,571 INFO  L225             Difference]: With dead ends: 23494
[2024-11-18 14:39:17,571 INFO  L226             Difference]: Without dead ends: 15781
[2024-11-18 14:39:17,586 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-18 14:39:17,587 INFO  L432           NwaCegarLoop]: 477 mSDtfsCounter, 455 mSDsluCounter, 1041 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 1518 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-18 14:39:17,587 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 1518 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-18 14:39:17,604 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 15781 states.
[2024-11-18 14:39:17,860 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 15781 to 11788.
[2024-11-18 14:39:17,889 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11788 states, 11787 states have (on average 1.6726054127428522) internal successors, (19715), 11787 states have internal predecessors, (19715), 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 14:39:17,915 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11788 states to 11788 states and 19715 transitions.
[2024-11-18 14:39:17,917 INFO  L78                 Accepts]: Start accepts. Automaton has 11788 states and 19715 transitions. Word has length 133
[2024-11-18 14:39:17,917 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:39:17,917 INFO  L471      AbstractCegarLoop]: Abstraction has 11788 states and 19715 transitions.
[2024-11-18 14:39:17,918 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 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 14:39:17,918 INFO  L276                IsEmpty]: Start isEmpty. Operand 11788 states and 19715 transitions.
[2024-11-18 14:39:17,920 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 134
[2024-11-18 14:39:17,920 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:39:17,920 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 14:39:17,921 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-18 14:39:17,921 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:39:17,921 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:39:17,921 INFO  L85        PathProgramCache]: Analyzing trace with hash 1631061960, now seen corresponding path program 1 times
[2024-11-18 14:39:17,921 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:39:17,921 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835789294]
[2024-11-18 14:39:17,922 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:39:17,922 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:39:17,968 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:39:18,057 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 14:39:18,058 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:39:18,058 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835789294]
[2024-11-18 14:39:18,058 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835789294] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:39:18,058 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:39:18,058 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 14:39:18,059 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350101004]
[2024-11-18 14:39:18,059 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:39:18,059 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 14:39:18,059 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:39:18,060 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 14:39:18,060 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 14:39:18,060 INFO  L87              Difference]: Start difference. First operand 11788 states and 19715 transitions. Second operand  has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 14:39:18,294 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:39:18,294 INFO  L93              Difference]: Finished difference Result 23685 states and 39649 transitions.
[2024-11-18 14:39:18,295 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 14:39:18,295 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 133
[2024-11-18 14:39:18,295 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:39:18,330 INFO  L225             Difference]: With dead ends: 23685
[2024-11-18 14:39:18,330 INFO  L226             Difference]: Without dead ends: 17075
[2024-11-18 14:39:18,342 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 14:39:18,343 INFO  L432           NwaCegarLoop]: 531 mSDtfsCounter, 117 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 985 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-18 14:39:18,343 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 985 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-18 14:39:18,364 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 17075 states.
[2024-11-18 14:39:18,633 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 17075 to 17073.
[2024-11-18 14:39:18,663 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 17073 states, 17072 states have (on average 1.6617268041237114) internal successors, (28369), 17072 states have internal predecessors, (28369), 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 14:39:18,839 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 17073 states to 17073 states and 28369 transitions.
[2024-11-18 14:39:18,840 INFO  L78                 Accepts]: Start accepts. Automaton has 17073 states and 28369 transitions. Word has length 133
[2024-11-18 14:39:18,840 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:39:18,840 INFO  L471      AbstractCegarLoop]: Abstraction has 17073 states and 28369 transitions.
[2024-11-18 14:39:18,841 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 14:39:18,841 INFO  L276                IsEmpty]: Start isEmpty. Operand 17073 states and 28369 transitions.
[2024-11-18 14:39:18,842 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 134
[2024-11-18 14:39:18,842 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:39:18,842 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 14:39:18,843 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-18 14:39:18,843 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:39:18,843 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:39:18,843 INFO  L85        PathProgramCache]: Analyzing trace with hash -15643545, now seen corresponding path program 1 times
[2024-11-18 14:39:18,843 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:39:18,844 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425300959]
[2024-11-18 14:39:18,844 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:39:18,844 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:39:18,885 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:39:18,971 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 14:39:18,971 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:39:18,972 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425300959]
[2024-11-18 14:39:18,972 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425300959] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:39:18,972 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:39:18,972 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 14:39:18,972 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379924266]
[2024-11-18 14:39:18,972 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:39:18,973 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 14:39:18,973 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:39:18,974 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 14:39:18,974 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 14:39:18,974 INFO  L87              Difference]: Start difference. First operand 17073 states and 28369 transitions. Second operand  has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 14:39:19,374 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:39:19,374 INFO  L93              Difference]: Finished difference Result 38023 states and 63245 transitions.
[2024-11-18 14:39:19,375 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 14:39:19,375 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 133
[2024-11-18 14:39:19,376 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:39:19,433 INFO  L225             Difference]: With dead ends: 38023
[2024-11-18 14:39:19,433 INFO  L226             Difference]: Without dead ends: 26128
[2024-11-18 14:39:19,450 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 14:39:19,452 INFO  L432           NwaCegarLoop]: 560 mSDtfsCounter, 124 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-18 14:39:19,452 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 1013 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-18 14:39:19,476 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 26128 states.
[2024-11-18 14:39:20,135 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 26128 to 26126.
[2024-11-18 14:39:20,176 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 26126 states, 26125 states have (on average 1.6492631578947368) internal successors, (43087), 26125 states have internal predecessors, (43087), 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 14:39:20,231 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 26126 states to 26126 states and 43087 transitions.
[2024-11-18 14:39:20,233 INFO  L78                 Accepts]: Start accepts. Automaton has 26126 states and 43087 transitions. Word has length 133
[2024-11-18 14:39:20,233 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:39:20,233 INFO  L471      AbstractCegarLoop]: Abstraction has 26126 states and 43087 transitions.
[2024-11-18 14:39:20,234 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 14:39:20,234 INFO  L276                IsEmpty]: Start isEmpty. Operand 26126 states and 43087 transitions.
[2024-11-18 14:39:20,235 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 134
[2024-11-18 14:39:20,235 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:39:20,235 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 14:39:20,236 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-18 14:39:20,236 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:39:20,237 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:39:20,237 INFO  L85        PathProgramCache]: Analyzing trace with hash 2123016934, now seen corresponding path program 1 times
[2024-11-18 14:39:20,237 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:39:20,237 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108218709]
[2024-11-18 14:39:20,237 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:39:20,237 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:39:20,277 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:39:20,364 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 14:39:20,364 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:39:20,364 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108218709]
[2024-11-18 14:39:20,364 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108218709] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:39:20,364 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:39:20,364 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 14:39:20,365 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014796755]
[2024-11-18 14:39:20,365 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:39:20,365 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 14:39:20,365 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:39:20,366 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 14:39:20,366 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 14:39:20,366 INFO  L87              Difference]: Start difference. First operand 26126 states and 43087 transitions. Second operand  has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 14:39:20,990 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:39:20,990 INFO  L93              Difference]: Finished difference Result 58253 states and 96104 transitions.
[2024-11-18 14:39:20,991 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 14:39:20,991 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 133
[2024-11-18 14:39:20,992 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:39:21,164 INFO  L225             Difference]: With dead ends: 58253
[2024-11-18 14:39:21,164 INFO  L226             Difference]: Without dead ends: 39892
[2024-11-18 14:39:21,209 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 14:39:21,210 INFO  L432           NwaCegarLoop]: 590 mSDtfsCounter, 131 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 1042 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-18 14:39:21,211 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 1042 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-18 14:39:21,239 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 39892 states.
[2024-11-18 14:39:22,016 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 39892 to 39890.
[2024-11-18 14:39:22,247 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 39890 states, 39889 states have (on average 1.633708541201835) internal successors, (65167), 39889 states have internal predecessors, (65167), 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 14:39:22,453 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 39890 states to 39890 states and 65167 transitions.
[2024-11-18 14:39:22,456 INFO  L78                 Accepts]: Start accepts. Automaton has 39890 states and 65167 transitions. Word has length 133
[2024-11-18 14:39:22,456 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:39:22,457 INFO  L471      AbstractCegarLoop]: Abstraction has 39890 states and 65167 transitions.
[2024-11-18 14:39:22,457 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 14:39:22,457 INFO  L276                IsEmpty]: Start isEmpty. Operand 39890 states and 65167 transitions.
[2024-11-18 14:39:22,458 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 135
[2024-11-18 14:39:22,458 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:39:22,459 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 14:39:22,459 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-18 14:39:22,459 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:39:22,459 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:39:22,460 INFO  L85        PathProgramCache]: Analyzing trace with hash -1542676484, now seen corresponding path program 1 times
[2024-11-18 14:39:22,460 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:39:22,460 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665045258]
[2024-11-18 14:39:22,460 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:39:22,460 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:39:22,509 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:39:22,830 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 14:39:22,830 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:39:22,830 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665045258]
[2024-11-18 14:39:22,831 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665045258] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:39:22,831 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:39:22,831 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-18 14:39:22,831 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975300196]
[2024-11-18 14:39:22,831 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:39:22,831 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-18 14:39:22,831 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:39:22,832 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-18 14:39:22,832 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-18 14:39:22,832 INFO  L87              Difference]: Start difference. First operand 39890 states and 65167 transitions. Second operand  has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 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 14:39:24,182 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:39:24,184 INFO  L93              Difference]: Finished difference Result 129245 states and 211740 transitions.
[2024-11-18 14:39:24,184 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 14:39:24,184 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 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 134
[2024-11-18 14:39:24,185 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:39:24,462 INFO  L225             Difference]: With dead ends: 129245
[2024-11-18 14:39:24,462 INFO  L226             Difference]: Without dead ends: 89570
[2024-11-18 14:39:24,540 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-18 14:39:24,541 INFO  L432           NwaCegarLoop]: 462 mSDtfsCounter, 453 mSDsluCounter, 1043 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 1505 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-18 14:39:24,541 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 1505 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-18 14:39:24,622 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 89570 states.
[2024-11-18 14:39:26,240 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 89570 to 64505.
[2024-11-18 14:39:26,340 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 64505 states, 64504 states have (on average 1.626658811856629) internal successors, (104926), 64504 states have internal predecessors, (104926), 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 14:39:26,525 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 64505 states to 64505 states and 104926 transitions.
[2024-11-18 14:39:26,529 INFO  L78                 Accepts]: Start accepts. Automaton has 64505 states and 104926 transitions. Word has length 134
[2024-11-18 14:39:26,530 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:39:26,530 INFO  L471      AbstractCegarLoop]: Abstraction has 64505 states and 104926 transitions.
[2024-11-18 14:39:26,530 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 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 14:39:26,531 INFO  L276                IsEmpty]: Start isEmpty. Operand 64505 states and 104926 transitions.
[2024-11-18 14:39:26,532 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 137
[2024-11-18 14:39:26,532 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:39:26,532 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 14:39:26,533 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-11-18 14:39:26,533 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:39:26,533 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:39:26,534 INFO  L85        PathProgramCache]: Analyzing trace with hash 1330430292, now seen corresponding path program 1 times
[2024-11-18 14:39:26,534 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:39:26,534 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413512772]
[2024-11-18 14:39:26,534 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:39:26,534 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:39:26,590 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:39:27,286 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 14:39:27,287 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:39:27,287 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413512772]
[2024-11-18 14:39:27,287 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413512772] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:39:27,290 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:39:27,290 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-18 14:39:27,290 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954001236]
[2024-11-18 14:39:27,290 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:39:27,291 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-18 14:39:27,291 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:39:27,291 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-18 14:39:27,292 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-18 14:39:27,292 INFO  L87              Difference]: Start difference. First operand 64505 states and 104926 transitions. Second operand  has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 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 14:39:28,411 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:39:28,412 INFO  L93              Difference]: Finished difference Result 128797 states and 209509 transitions.
[2024-11-18 14:39:28,412 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-18 14:39:28,413 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 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 136
[2024-11-18 14:39:28,413 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:39:28,550 INFO  L225             Difference]: With dead ends: 128797
[2024-11-18 14:39:28,550 INFO  L226             Difference]: Without dead ends: 64507
[2024-11-18 14:39:28,613 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56
[2024-11-18 14:39:28,614 INFO  L432           NwaCegarLoop]: 470 mSDtfsCounter, 479 mSDsluCounter, 1311 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 1781 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-18 14:39:28,614 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 1781 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-18 14:39:28,672 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 64507 states.
[2024-11-18 14:39:29,931 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 64507 to 64505.
[2024-11-18 14:39:30,001 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 64505 states, 64504 states have (on average 1.6169694902641696) internal successors, (104301), 64504 states have internal predecessors, (104301), 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 14:39:30,221 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 64505 states to 64505 states and 104301 transitions.
[2024-11-18 14:39:30,226 INFO  L78                 Accepts]: Start accepts. Automaton has 64505 states and 104301 transitions. Word has length 136
[2024-11-18 14:39:30,226 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:39:30,227 INFO  L471      AbstractCegarLoop]: Abstraction has 64505 states and 104301 transitions.
[2024-11-18 14:39:30,227 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 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 14:39:30,227 INFO  L276                IsEmpty]: Start isEmpty. Operand 64505 states and 104301 transitions.
[2024-11-18 14:39:30,228 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2024-11-18 14:39:30,228 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:39:30,229 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 14:39:30,229 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-11-18 14:39:30,229 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:39:30,230 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:39:30,230 INFO  L85        PathProgramCache]: Analyzing trace with hash -156781653, now seen corresponding path program 1 times
[2024-11-18 14:39:30,230 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:39:30,230 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395361701]
[2024-11-18 14:39:30,231 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:39:30,231 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:39:30,291 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:39:30,705 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 14:39:30,705 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:39:30,705 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395361701]
[2024-11-18 14:39:30,706 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395361701] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:39:30,706 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:39:30,706 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-18 14:39:30,706 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277907799]
[2024-11-18 14:39:30,706 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:39:30,707 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-18 14:39:30,707 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:39:30,708 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-18 14:39:30,708 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-18 14:39:30,709 INFO  L87              Difference]: Start difference. First operand 64505 states and 104301 transitions. Second operand  has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 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 14:39:32,412 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:39:32,412 INFO  L93              Difference]: Finished difference Result 188667 states and 305529 transitions.
[2024-11-18 14:39:32,413 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-18 14:39:32,413 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 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 139
[2024-11-18 14:39:32,414 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:39:32,711 INFO  L225             Difference]: With dead ends: 188667
[2024-11-18 14:39:32,712 INFO  L226             Difference]: Without dead ends: 124377
[2024-11-18 14:39:32,758 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56
[2024-11-18 14:39:32,759 INFO  L432           NwaCegarLoop]: 461 mSDtfsCounter, 471 mSDsluCounter, 1329 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 1790 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-18 14:39:32,759 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 1790 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-18 14:39:32,858 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 124377 states.
[2024-11-18 14:39:34,987 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 124377 to 124375.
[2024-11-18 14:39:35,104 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 124375 states, 124374 states have (on average 1.6044671715953496) internal successors, (199554), 124374 states have internal predecessors, (199554), 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 14:39:35,401 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 124375 states to 124375 states and 199554 transitions.
[2024-11-18 14:39:35,408 INFO  L78                 Accepts]: Start accepts. Automaton has 124375 states and 199554 transitions. Word has length 139
[2024-11-18 14:39:35,409 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:39:35,409 INFO  L471      AbstractCegarLoop]: Abstraction has 124375 states and 199554 transitions.
[2024-11-18 14:39:35,409 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 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 14:39:35,409 INFO  L276                IsEmpty]: Start isEmpty. Operand 124375 states and 199554 transitions.
[2024-11-18 14:39:35,411 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 141
[2024-11-18 14:39:35,411 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:39:35,411 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 14:39:35,411 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-11-18 14:39:35,412 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:39:35,412 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:39:35,412 INFO  L85        PathProgramCache]: Analyzing trace with hash -996609347, now seen corresponding path program 1 times
[2024-11-18 14:39:35,413 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:39:35,413 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732055660]
[2024-11-18 14:39:35,413 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:39:35,413 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:39:35,515 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:39:36,617 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 14:39:36,618 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:39:36,618 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732055660]
[2024-11-18 14:39:36,618 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732055660] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:39:36,618 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:39:36,618 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-11-18 14:39:36,618 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323168357]
[2024-11-18 14:39:36,618 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:39:36,619 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-18 14:39:36,619 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:39:36,619 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-18 14:39:36,620 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2024-11-18 14:39:36,620 INFO  L87              Difference]: Start difference. First operand 124375 states and 199554 transitions. Second operand  has 8 states, 8 states have (on average 17.5) internal successors, (140), 8 states have internal predecessors, (140), 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 14:39:37,725 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:39:37,725 INFO  L93              Difference]: Finished difference Result 130185 states and 207299 transitions.
[2024-11-18 14:39:37,725 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-18 14:39:37,726 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 17.5) internal successors, (140), 8 states have internal predecessors, (140), 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 140
[2024-11-18 14:39:37,726 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:39:37,955 INFO  L225             Difference]: With dead ends: 130185
[2024-11-18 14:39:37,955 INFO  L226             Difference]: Without dead ends: 130183
[2024-11-18 14:39:37,995 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2024-11-18 14:39:37,996 INFO  L432           NwaCegarLoop]: 467 mSDtfsCounter, 0 mSDsluCounter, 2783 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3250 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-18 14:39:37,996 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3250 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-18 14:39:38,094 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 130183 states.
[2024-11-18 14:39:40,204 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 130183 to 130183.
[2024-11-18 14:39:40,321 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 130183 states, 130182 states have (on average 1.5772917914919113) internal successors, (205335), 130182 states have internal predecessors, (205335), 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 14:39:41,026 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 130183 states to 130183 states and 205335 transitions.
[2024-11-18 14:39:41,037 INFO  L78                 Accepts]: Start accepts. Automaton has 130183 states and 205335 transitions. Word has length 140
[2024-11-18 14:39:41,037 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:39:41,037 INFO  L471      AbstractCegarLoop]: Abstraction has 130183 states and 205335 transitions.
[2024-11-18 14:39:41,038 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 17.5) internal successors, (140), 8 states have internal predecessors, (140), 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 14:39:41,038 INFO  L276                IsEmpty]: Start isEmpty. Operand 130183 states and 205335 transitions.
[2024-11-18 14:39:41,052 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 178
[2024-11-18 14:39:41,057 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:39:41,057 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 14:39:41,058 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-11-18 14:39:41,058 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:39:41,058 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:39:41,058 INFO  L85        PathProgramCache]: Analyzing trace with hash -1661783656, now seen corresponding path program 1 times
[2024-11-18 14:39:41,058 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:39:41,059 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781235039]
[2024-11-18 14:39:41,059 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:39:41,059 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:39:41,173 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:39:41,272 INFO  L134       CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 14:39:41,272 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:39:41,273 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781235039]
[2024-11-18 14:39:41,273 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781235039] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:39:41,273 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:39:41,273 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 14:39:41,273 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959529256]
[2024-11-18 14:39:41,273 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:39:41,275 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 14:39:41,275 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:39:41,276 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 14:39:41,276 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 14:39:41,276 INFO  L87              Difference]: Start difference. First operand 130183 states and 205335 transitions. Second operand  has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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 14:39:43,648 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:39:43,649 INFO  L93              Difference]: Finished difference Result 389528 states and 613982 transitions.
[2024-11-18 14:39:43,649 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 14:39:43,649 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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 177
[2024-11-18 14:39:43,650 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:39:44,153 INFO  L225             Difference]: With dead ends: 389528
[2024-11-18 14:39:44,153 INFO  L226             Difference]: Without dead ends: 259404
[2024-11-18 14:39:44,248 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 14:39:44,249 INFO  L432           NwaCegarLoop]: 733 mSDtfsCounter, 349 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 1190 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-18 14:39:44,249 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 1190 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-18 14:39:44,432 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 259404 states.
[2024-11-18 14:39:48,898 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 259404 to 259402.
[2024-11-18 14:39:49,117 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 259402 states, 259401 states have (on average 1.567040990589859) internal successors, (406492), 259401 states have internal predecessors, (406492), 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 14:39:50,327 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 259402 states to 259402 states and 406492 transitions.
[2024-11-18 14:39:50,340 INFO  L78                 Accepts]: Start accepts. Automaton has 259402 states and 406492 transitions. Word has length 177
[2024-11-18 14:39:50,341 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 14:39:50,341 INFO  L471      AbstractCegarLoop]: Abstraction has 259402 states and 406492 transitions.
[2024-11-18 14:39:50,341 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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 14:39:50,341 INFO  L276                IsEmpty]: Start isEmpty. Operand 259402 states and 406492 transitions.
[2024-11-18 14:39:50,352 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 178
[2024-11-18 14:39:50,352 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 14:39:50,352 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 14:39:50,353 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-11-18 14:39:50,353 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 14:39:50,353 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 14:39:50,354 INFO  L85        PathProgramCache]: Analyzing trace with hash 1913285081, now seen corresponding path program 1 times
[2024-11-18 14:39:50,354 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 14:39:50,354 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116637732]
[2024-11-18 14:39:50,354 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 14:39:50,355 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 14:39:50,408 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 14:39:50,580 INFO  L134       CoverageAnalysis]: Checked inductivity of 28 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2024-11-18 14:39:50,580 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 14:39:50,581 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116637732]
[2024-11-18 14:39:50,581 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116637732] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 14:39:50,581 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 14:39:50,581 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-18 14:39:50,581 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951219273]
[2024-11-18 14:39:50,581 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 14:39:50,582 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-18 14:39:50,582 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 14:39:50,583 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-18 14:39:50,583 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-18 14:39:50,583 INFO  L87              Difference]: Start difference. First operand 259402 states and 406492 transitions. Second operand  has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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 14:39:56,196 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 14:39:56,196 INFO  L93              Difference]: Finished difference Result 776268 states and 1215619 transitions.
[2024-11-18 14:39:56,197 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-18 14:39:56,197 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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 177
[2024-11-18 14:39:56,197 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 14:39:57,988 INFO  L225             Difference]: With dead ends: 776268
[2024-11-18 14:39:57,988 INFO  L226             Difference]: Without dead ends: 516929
[2024-11-18 14:39:58,256 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 14:39:58,258 INFO  L432           NwaCegarLoop]: 737 mSDtfsCounter, 351 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 1194 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-18 14:39:58,263 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 1194 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-18 14:39:58,617 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 516929 states.