./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.5.prop1-back-serstep.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 8be7027f
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/hardware-verification-bv/btor2c-lazyMod.production_cell.5.prop1-back-serstep.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a7e0baeaec9166977e35877266ecd8d02003b6a17c023c6c66f433789b3f2bc2
--- Real Ultimate output ---
This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m
[2024-11-12 00:35:41,465 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-12 00:35:41,541 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-12 00:35:41,547 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-12 00:35:41,549 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-12 00:35:41,584 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-12 00:35:41,584 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-12 00:35:41,585 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-12 00:35:41,585 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-12 00:35:41,586 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-12 00:35:41,586 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-12 00:35:41,587 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-12 00:35:41,588 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-12 00:35:41,588 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-12 00:35:41,589 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-12 00:35:41,589 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-12 00:35:41,589 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-12 00:35:41,590 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-12 00:35:41,590 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-12 00:35:41,593 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-12 00:35:41,593 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-12 00:35:41,594 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-12 00:35:41,594 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-12 00:35:41,594 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-12 00:35:41,595 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-12 00:35:41,595 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-12 00:35:41,595 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-12 00:35:41,596 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-12 00:35:41,596 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-12 00:35:41,596 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-12 00:35:41,596 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-12 00:35:41,597 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-12 00:35:41,597 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-12 00:35:41,597 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-12 00:35:41,598 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-12 00:35:41,598 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-12 00:35:41,598 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-12 00:35:41,599 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-12 00:35:41,599 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-12 00:35:41,599 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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7e0baeaec9166977e35877266ecd8d02003b6a17c023c6c66f433789b3f2bc2
[2024-11-12 00:35:41,848 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-12 00:35:41,874 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-12 00:35:41,878 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-12 00:35:41,879 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-12 00:35:41,880 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-12 00:35:41,881 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.5.prop1-back-serstep.c
[2024-11-12 00:35:43,348 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-12 00:35:43,716 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-12 00:35:43,717 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.production_cell.5.prop1-back-serstep.c
[2024-11-12 00:35:43,750 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3dbba2a7/9c45437381ac49fba63fefb8ad093a25/FLAGdc48b0bdf
[2024-11-12 00:35:43,768 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3dbba2a7/9c45437381ac49fba63fefb8ad093a25
[2024-11-12 00:35:43,771 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-12 00:35:43,772 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-12 00:35:43,773 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-12 00:35:43,774 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-12 00:35:43,779 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-12 00:35:43,780 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:35:43" (1/1) ...
[2024-11-12 00:35:43,783 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70fa91b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:43, skipping insertion in model container
[2024-11-12 00:35:43,783 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:35:43" (1/1) ...
[2024-11-12 00:35:43,877 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-12 00:35:44,137 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/hardware-verification-bv/btor2c-lazyMod.production_cell.5.prop1-back-serstep.c[1183,1196]
[2024-11-12 00:35:44,786 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-12 00:35:44,795 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-12 00:35:44,803 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/hardware-verification-bv/btor2c-lazyMod.production_cell.5.prop1-back-serstep.c[1183,1196]
[2024-11-12 00:35:45,217 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-12 00:35:45,235 INFO  L204         MainTranslator]: Completed translation
[2024-11-12 00:35:45,236 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:45 WrapperNode
[2024-11-12 00:35:45,236 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-12 00:35:45,237 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-12 00:35:45,237 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-12 00:35:45,237 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-12 00:35:45,244 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:45" (1/1) ...
[2024-11-12 00:35:45,444 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:45" (1/1) ...
[2024-11-12 00:35:47,400 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 15530
[2024-11-12 00:35:47,401 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-12 00:35:47,402 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-12 00:35:47,402 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-12 00:35:47,403 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-12 00:35:47,415 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:45" (1/1) ...
[2024-11-12 00:35:47,416 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:45" (1/1) ...
[2024-11-12 00:35:47,908 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:45" (1/1) ...
[2024-11-12 00:35:48,301 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].
[2024-11-12 00:35:48,302 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:45" (1/1) ...
[2024-11-12 00:35:48,302 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:45" (1/1) ...
[2024-11-12 00:35:48,919 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:45" (1/1) ...
[2024-11-12 00:35:49,003 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:45" (1/1) ...
[2024-11-12 00:35:49,089 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:45" (1/1) ...
[2024-11-12 00:35:49,160 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:45" (1/1) ...
[2024-11-12 00:35:49,458 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-12 00:35:49,459 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-12 00:35:49,459 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-12 00:35:49,460 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-12 00:35:49,460 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:45" (1/1) ...
[2024-11-12 00:35:49,466 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-12 00:35:49,478 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-12 00:35:49,495 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)
[2024-11-12 00:35:49,502 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
[2024-11-12 00:35:49,547 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-12 00:35:49,547 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-12 00:35:49,547 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-12 00:35:49,547 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-12 00:35:50,650 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-12 00:35:50,652 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-12 00:36:22,660 INFO  L?                        ?]: Removed 8522 outVars from TransFormulas that were not future-live.
[2024-11-12 00:36:22,660 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-12 00:36:22,741 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-12 00:36:22,741 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-12 00:36:22,742 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:36:22 BoogieIcfgContainer
[2024-11-12 00:36:22,742 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-12 00:36:22,744 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-12 00:36:22,744 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-12 00:36:22,748 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-12 00:36:22,749 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:35:43" (1/3) ...
[2024-11-12 00:36:22,750 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa211d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:36:22, skipping insertion in model container
[2024-11-12 00:36:22,750 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:35:45" (2/3) ...
[2024-11-12 00:36:22,751 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa211d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:36:22, skipping insertion in model container
[2024-11-12 00:36:22,751 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:36:22" (3/3) ...
[2024-11-12 00:36:22,752 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.production_cell.5.prop1-back-serstep.c
[2024-11-12 00:36:22,769 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-12 00:36:22,770 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-12 00:36:22,920 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-12 00:36:22,926 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;@1590e399, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-12 00:36:22,927 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-12 00:36:22,950 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 5470 states, 5468 states have (on average 1.4998171177761521) internal successors, (8201), 5469 states have internal predecessors, (8201), 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)
[2024-11-12 00:36:22,983 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 546
[2024-11-12 00:36:22,984 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:36:22,985 INFO  L218           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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-12 00:36:22,986 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:36:22,992 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:36:22,992 INFO  L85        PathProgramCache]: Analyzing trace with hash -1922414400, now seen corresponding path program 1 times
[2024-11-12 00:36:23,001 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:36:23,002 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328035135]
[2024-11-12 00:36:23,003 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:36:23,003 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:36:23,788 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:36:25,950 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 00:36:25,951 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:36:25,951 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328035135]
[2024-11-12 00:36:25,952 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328035135] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:36:25,952 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:36:25,952 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-12 00:36:25,954 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285292237]
[2024-11-12 00:36:25,955 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:36:25,960 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-12 00:36:25,960 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:36:25,986 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-12 00:36:25,986 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-12 00:36:26,001 INFO  L87              Difference]: Start difference. First operand  has 5470 states, 5468 states have (on average 1.4998171177761521) internal successors, (8201), 5469 states have internal predecessors, (8201), 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 5 states, 5 states have (on average 109.0) internal successors, (545), 5 states have internal predecessors, (545), 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)
[2024-11-12 00:36:31,926 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:36:31,927 INFO  L93              Difference]: Finished difference Result 15596 states and 23389 transitions.
[2024-11-12 00:36:31,928 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-12 00:36:31,929 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 109.0) internal successors, (545), 5 states have internal predecessors, (545), 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 545
[2024-11-12 00:36:31,931 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:36:31,986 INFO  L225             Difference]: With dead ends: 15596
[2024-11-12 00:36:31,986 INFO  L226             Difference]: Without dead ends: 10412
[2024-11-12 00:36:32,003 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-12 00:36:32,007 INFO  L435           NwaCegarLoop]: 6066 mSDtfsCounter, 7530 mSDsluCounter, 18061 mSDsCounter, 0 mSdLazyCounter, 8234 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7530 SdHoareTripleChecker+Valid, 24127 SdHoareTripleChecker+Invalid, 8235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time
[2024-11-12 00:36:32,008 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7530 Valid, 24127 Invalid, 8235 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 8234 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time]
[2024-11-12 00:36:32,048 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10412 states.
[2024-11-12 00:36:32,234 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10412 to 5806.
[2024-11-12 00:36:32,244 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5806 states, 5805 states have (on average 1.4993970714900948) internal successors, (8704), 5805 states have internal predecessors, (8704), 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)
[2024-11-12 00:36:32,261 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5806 states to 5806 states and 8704 transitions.
[2024-11-12 00:36:32,263 INFO  L78                 Accepts]: Start accepts. Automaton has 5806 states and 8704 transitions. Word has length 545
[2024-11-12 00:36:32,264 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:36:32,264 INFO  L471      AbstractCegarLoop]: Abstraction has 5806 states and 8704 transitions.
[2024-11-12 00:36:32,265 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 109.0) internal successors, (545), 5 states have internal predecessors, (545), 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)
[2024-11-12 00:36:32,265 INFO  L276                IsEmpty]: Start isEmpty. Operand 5806 states and 8704 transitions.
[2024-11-12 00:36:32,276 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 548
[2024-11-12 00:36:32,276 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:36:32,276 INFO  L218           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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-12 00:36:32,277 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-12 00:36:32,277 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:36:32,278 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:36:32,278 INFO  L85        PathProgramCache]: Analyzing trace with hash -1514730499, now seen corresponding path program 1 times
[2024-11-12 00:36:32,278 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:36:32,279 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145180518]
[2024-11-12 00:36:32,279 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:36:32,279 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:36:32,497 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:36:33,739 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 00:36:33,741 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:36:33,742 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145180518]
[2024-11-12 00:36:33,742 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145180518] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:36:33,742 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:36:33,742 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-12 00:36:33,742 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025531944]
[2024-11-12 00:36:33,742 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:36:33,745 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-12 00:36:33,745 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:36:33,746 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-12 00:36:33,747 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:36:33,747 INFO  L87              Difference]: Start difference. First operand 5806 states and 8704 transitions. Second operand  has 4 states, 4 states have (on average 136.75) internal successors, (547), 4 states have internal predecessors, (547), 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)
[2024-11-12 00:36:33,844 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:36:33,845 INFO  L93              Difference]: Finished difference Result 5810 states and 8708 transitions.
[2024-11-12 00:36:33,845 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-12 00:36:33,846 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 136.75) internal successors, (547), 4 states have internal predecessors, (547), 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 547
[2024-11-12 00:36:33,847 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:36:33,866 INFO  L225             Difference]: With dead ends: 5810
[2024-11-12 00:36:33,867 INFO  L226             Difference]: Without dead ends: 5808
[2024-11-12 00:36:33,870 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:36:33,871 INFO  L435           NwaCegarLoop]: 8195 mSDtfsCounter, 0 mSDsluCounter, 16384 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24579 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-12 00:36:33,872 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24579 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-12 00:36:33,879 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5808 states.
[2024-11-12 00:36:33,955 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5808 to 5808.
[2024-11-12 00:36:33,966 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5808 states, 5807 states have (on average 1.4992250731875323) internal successors, (8706), 5807 states have internal predecessors, (8706), 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)
[2024-11-12 00:36:33,979 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5808 states to 5808 states and 8706 transitions.
[2024-11-12 00:36:33,980 INFO  L78                 Accepts]: Start accepts. Automaton has 5808 states and 8706 transitions. Word has length 547
[2024-11-12 00:36:33,982 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:36:33,983 INFO  L471      AbstractCegarLoop]: Abstraction has 5808 states and 8706 transitions.
[2024-11-12 00:36:33,983 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 136.75) internal successors, (547), 4 states have internal predecessors, (547), 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)
[2024-11-12 00:36:33,983 INFO  L276                IsEmpty]: Start isEmpty. Operand 5808 states and 8706 transitions.
[2024-11-12 00:36:33,993 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 549
[2024-11-12 00:36:33,993 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:36:33,994 INFO  L218           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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-12 00:36:33,994 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-12 00:36:33,994 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:36:33,995 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:36:33,995 INFO  L85        PathProgramCache]: Analyzing trace with hash 289693450, now seen corresponding path program 1 times
[2024-11-12 00:36:33,995 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:36:33,995 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741647311]
[2024-11-12 00:36:33,996 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:36:33,996 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:36:34,205 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:36:34,887 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 00:36:34,888 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:36:34,888 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741647311]
[2024-11-12 00:36:34,889 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741647311] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:36:34,889 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:36:34,889 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-12 00:36:34,890 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407201078]
[2024-11-12 00:36:34,890 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:36:34,891 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-12 00:36:34,891 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:36:34,892 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-12 00:36:34,893 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:36:34,895 INFO  L87              Difference]: Start difference. First operand 5808 states and 8706 transitions. Second operand  has 4 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 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)
[2024-11-12 00:36:35,009 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:36:35,010 INFO  L93              Difference]: Finished difference Result 10993 states and 16480 transitions.
[2024-11-12 00:36:35,010 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-12 00:36:35,011 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 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 548
[2024-11-12 00:36:35,012 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:36:35,031 INFO  L225             Difference]: With dead ends: 10993
[2024-11-12 00:36:35,031 INFO  L226             Difference]: Without dead ends: 5810
[2024-11-12 00:36:35,041 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:36:35,042 INFO  L435           NwaCegarLoop]: 8195 mSDtfsCounter, 0 mSDsluCounter, 16380 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24575 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-12 00:36:35,042 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24575 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-12 00:36:35,050 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5810 states.
[2024-11-12 00:36:35,117 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5810 to 5810.
[2024-11-12 00:36:35,126 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5810 states, 5809 states have (on average 1.4990531933207092) internal successors, (8708), 5809 states have internal predecessors, (8708), 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)
[2024-11-12 00:36:35,140 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5810 states to 5810 states and 8708 transitions.
[2024-11-12 00:36:35,141 INFO  L78                 Accepts]: Start accepts. Automaton has 5810 states and 8708 transitions. Word has length 548
[2024-11-12 00:36:35,142 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:36:35,142 INFO  L471      AbstractCegarLoop]: Abstraction has 5810 states and 8708 transitions.
[2024-11-12 00:36:35,143 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 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)
[2024-11-12 00:36:35,143 INFO  L276                IsEmpty]: Start isEmpty. Operand 5810 states and 8708 transitions.
[2024-11-12 00:36:35,152 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 550
[2024-11-12 00:36:35,153 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:36:35,153 INFO  L218           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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-12 00:36:35,153 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-12 00:36:35,153 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:36:35,154 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:36:35,154 INFO  L85        PathProgramCache]: Analyzing trace with hash -707400074, now seen corresponding path program 1 times
[2024-11-12 00:36:35,154 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:36:35,155 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936672101]
[2024-11-12 00:36:35,155 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:36:35,155 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:36:35,380 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:36:36,430 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 00:36:36,431 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:36:36,431 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936672101]
[2024-11-12 00:36:36,431 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936672101] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:36:36,431 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:36:36,432 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-12 00:36:36,432 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397317698]
[2024-11-12 00:36:36,432 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:36:36,433 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-12 00:36:36,433 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:36:36,435 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-12 00:36:36,435 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-12 00:36:36,435 INFO  L87              Difference]: Start difference. First operand 5810 states and 8708 transitions. Second operand  has 5 states, 5 states have (on average 109.8) internal successors, (549), 5 states have internal predecessors, (549), 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)
[2024-11-12 00:36:36,721 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:36:36,721 INFO  L93              Difference]: Finished difference Result 15827 states and 23726 transitions.
[2024-11-12 00:36:36,722 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-12 00:36:36,722 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 109.8) internal successors, (549), 5 states have internal predecessors, (549), 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 549
[2024-11-12 00:36:36,723 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:36:36,768 INFO  L225             Difference]: With dead ends: 15827
[2024-11-12 00:36:36,772 INFO  L226             Difference]: Without dead ends: 10642
[2024-11-12 00:36:36,786 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-12 00:36:36,787 INFO  L435           NwaCegarLoop]: 8193 mSDtfsCounter, 7638 mSDsluCounter, 24146 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7638 SdHoareTripleChecker+Valid, 32339 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-12 00:36:36,789 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7638 Valid, 32339 Invalid, 22 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-12 00:36:36,806 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10642 states.
[2024-11-12 00:36:36,937 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10642 to 6261.
[2024-11-12 00:36:36,945 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6261 states, 6260 states have (on average 1.4988817891373802) internal successors, (9383), 6260 states have internal predecessors, (9383), 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)
[2024-11-12 00:36:36,961 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6261 states to 6261 states and 9383 transitions.
[2024-11-12 00:36:36,961 INFO  L78                 Accepts]: Start accepts. Automaton has 6261 states and 9383 transitions. Word has length 549
[2024-11-12 00:36:36,962 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:36:36,963 INFO  L471      AbstractCegarLoop]: Abstraction has 6261 states and 9383 transitions.
[2024-11-12 00:36:36,963 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 109.8) internal successors, (549), 5 states have internal predecessors, (549), 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)
[2024-11-12 00:36:36,963 INFO  L276                IsEmpty]: Start isEmpty. Operand 6261 states and 9383 transitions.
[2024-11-12 00:36:37,154 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3141
[2024-11-12 00:36:37,155 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:36:37,157 INFO  L218           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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-12 00:36:37,157 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-12 00:36:37,158 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:36:37,160 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:36:37,161 INFO  L85        PathProgramCache]: Analyzing trace with hash -1419616929, now seen corresponding path program 1 times
[2024-11-12 00:36:37,161 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:36:37,161 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070126604]
[2024-11-12 00:36:37,162 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:36:37,162 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:36:40,984 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:36:48,543 INFO  L134       CoverageAnalysis]: Checked inductivity of 400 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked.
[2024-11-12 00:36:48,544 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:36:48,544 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070126604]
[2024-11-12 00:36:48,544 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070126604] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:36:48,545 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:36:48,545 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-12 00:36:48,545 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391637908]
[2024-11-12 00:36:48,546 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:36:48,549 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-12 00:36:48,549 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:36:48,553 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-12 00:36:48,554 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-12 00:36:48,555 INFO  L87              Difference]: Start difference. First operand 6261 states and 9383 transitions. Second operand  has 5 states, 5 states have (on average 549.6) internal successors, (2748), 5 states have internal predecessors, (2748), 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)
[2024-11-12 00:36:48,844 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:36:48,844 INFO  L93              Difference]: Finished difference Result 11450 states and 17161 transitions.
[2024-11-12 00:36:48,845 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-12 00:36:48,846 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 549.6) internal successors, (2748), 5 states have internal predecessors, (2748), 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 3140
[2024-11-12 00:36:48,850 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:36:48,862 INFO  L225             Difference]: With dead ends: 11450
[2024-11-12 00:36:48,863 INFO  L226             Difference]: Without dead ends: 6265
[2024-11-12 00:36:48,869 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-12 00:36:48,871 INFO  L435           NwaCegarLoop]: 8195 mSDtfsCounter, 0 mSDsluCounter, 16380 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24575 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-12 00:36:48,871 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24575 Invalid, 17 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-12 00:36:48,880 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6265 states.
[2024-11-12 00:36:48,959 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6265 to 6261.
[2024-11-12 00:36:48,968 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6261 states, 6260 states have (on average 1.4988817891373802) internal successors, (9383), 6260 states have internal predecessors, (9383), 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)
[2024-11-12 00:36:48,977 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6261 states to 6261 states and 9383 transitions.
[2024-11-12 00:36:48,977 INFO  L78                 Accepts]: Start accepts. Automaton has 6261 states and 9383 transitions. Word has length 3140
[2024-11-12 00:36:48,982 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:36:48,982 INFO  L471      AbstractCegarLoop]: Abstraction has 6261 states and 9383 transitions.
[2024-11-12 00:36:48,983 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 549.6) internal successors, (2748), 5 states have internal predecessors, (2748), 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)
[2024-11-12 00:36:48,983 INFO  L276                IsEmpty]: Start isEmpty. Operand 6261 states and 9383 transitions.
[2024-11-12 00:36:49,042 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3142
[2024-11-12 00:36:49,043 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:36:49,044 INFO  L218           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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 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[2024-11-12 00:36:49,046 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-12 00:36:49,046 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:36:49,047 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:36:49,049 INFO  L85        PathProgramCache]: Analyzing trace with hash -149561528, now seen corresponding path program 1 times
[2024-11-12 00:36:49,050 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:36:49,050 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686353636]
[2024-11-12 00:36:49,050 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:36:49,051 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms