./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.reader_writer.3.prop1-func-interl.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.reader_writer.3.prop1-func-interl.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 dc21aecf5e7aa9d96660cf5846e9cc7bd2e23609bc3b71a2bdc1157bb83d2fe1
--- Real Ultimate output ---
This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m
[2024-11-12 00:37:20,496 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-12 00:37:20,574 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-12 00:37:20,579 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-12 00:37:20,581 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-12 00:37:20,622 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-12 00:37:20,623 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-12 00:37:20,635 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-12 00:37:20,635 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-12 00:37:20,636 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-12 00:37:20,636 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-12 00:37:20,636 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-12 00:37:20,637 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-12 00:37:20,637 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-12 00:37:20,638 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-12 00:37:20,641 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-12 00:37:20,642 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-12 00:37:20,642 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-12 00:37:20,642 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-12 00:37:20,642 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-12 00:37:20,643 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-12 00:37:20,643 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-12 00:37:20,645 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-12 00:37:20,645 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-12 00:37:20,646 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-12 00:37:20,646 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-12 00:37:20,646 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-12 00:37:20,647 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-12 00:37:20,647 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-12 00:37:20,647 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-12 00:37:20,648 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-12 00:37:20,648 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-12 00:37:20,648 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-12 00:37:20,648 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-12 00:37:20,649 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-12 00:37:20,649 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-12 00:37:20,650 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-12 00:37:20,650 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-12 00:37:20,650 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-12 00:37:20,651 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 -> dc21aecf5e7aa9d96660cf5846e9cc7bd2e23609bc3b71a2bdc1157bb83d2fe1
[2024-11-12 00:37:20,926 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-12 00:37:20,958 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-12 00:37:20,962 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-12 00:37:20,964 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-12 00:37:20,964 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-12 00:37:20,966 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.reader_writer.3.prop1-func-interl.c
[2024-11-12 00:37:22,503 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-12 00:37:22,918 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-12 00:37:22,918 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.reader_writer.3.prop1-func-interl.c
[2024-11-12 00:37:22,957 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1356b87d2/bbc4c9d222834a7d9300934a52ea1e17/FLAGfd173cd8f
[2024-11-12 00:37:23,082 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1356b87d2/bbc4c9d222834a7d9300934a52ea1e17
[2024-11-12 00:37:23,084 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-12 00:37:23,085 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-12 00:37:23,087 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-12 00:37:23,089 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-12 00:37:23,097 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-12 00:37:23,098 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:37:23" (1/1) ...
[2024-11-12 00:37:23,099 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e7d977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:23, skipping insertion in model container
[2024-11-12 00:37:23,099 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:37:23" (1/1) ...
[2024-11-12 00:37:23,199 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-12 00:37:23,482 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.reader_writer.3.prop1-func-interl.c[1180,1193]
[2024-11-12 00:37:24,195 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-12 00:37:24,209 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-12 00:37:24,220 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.reader_writer.3.prop1-func-interl.c[1180,1193]
[2024-11-12 00:37:24,679 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-12 00:37:24,697 INFO  L204         MainTranslator]: Completed translation
[2024-11-12 00:37:24,698 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:24 WrapperNode
[2024-11-12 00:37:24,698 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-12 00:37:24,699 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-12 00:37:24,699 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-12 00:37:24,699 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-12 00:37:24,704 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:24" (1/1) ...
[2024-11-12 00:37:24,922 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:24" (1/1) ...
[2024-11-12 00:37:27,182 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22006
[2024-11-12 00:37:27,183 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-12 00:37:27,184 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-12 00:37:27,184 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-12 00:37:27,184 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-12 00:37:27,194 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:24" (1/1) ...
[2024-11-12 00:37:27,195 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:24" (1/1) ...
[2024-11-12 00:37:27,996 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:24" (1/1) ...
[2024-11-12 00:37:28,458 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 00:37:28,459 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:24" (1/1) ...
[2024-11-12 00:37:28,459 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:24" (1/1) ...
[2024-11-12 00:37:29,340 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:24" (1/1) ...
[2024-11-12 00:37:29,477 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:24" (1/1) ...
[2024-11-12 00:37:29,614 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:24" (1/1) ...
[2024-11-12 00:37:29,931 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:24" (1/1) ...
[2024-11-12 00:37:30,395 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-12 00:37:30,396 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-12 00:37:30,396 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-12 00:37:30,396 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-12 00:37:30,397 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:24" (1/1) ...
[2024-11-12 00:37:30,402 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-12 00:37:30,414 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-12 00:37:30,435 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 00:37:30,443 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 00:37:30,486 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-12 00:37:30,486 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-12 00:37:30,487 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-12 00:37:30,487 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-12 00:37:31,472 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-12 00:37:31,474 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-12 00:38:18,236 INFO  L?                        ?]: Removed 11973 outVars from TransFormulas that were not future-live.
[2024-11-12 00:38:18,236 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-12 00:38:18,341 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-12 00:38:18,341 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-12 00:38:18,342 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:38:18 BoogieIcfgContainer
[2024-11-12 00:38:18,342 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-12 00:38:18,345 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-12 00:38:18,345 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-12 00:38:18,349 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-12 00:38:18,349 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:37:23" (1/3) ...
[2024-11-12 00:38:18,351 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f80b7d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:38:18, skipping insertion in model container
[2024-11-12 00:38:18,352 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:37:24" (2/3) ...
[2024-11-12 00:38:18,352 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f80b7d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:38:18, skipping insertion in model container
[2024-11-12 00:38:18,353 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:38:18" (3/3) ...
[2024-11-12 00:38:18,354 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.reader_writer.3.prop1-func-interl.c
[2024-11-12 00:38:18,372 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-12 00:38:18,373 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-12 00:38:18,571 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-12 00:38:18,578 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;@33e94cd8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-12 00:38:18,578 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-12 00:38:18,606 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 8118 states, 8116 states have (on average 1.4998767865943814) internal successors, (12173), 8117 states have internal predecessors, (12173), 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 00:38:18,626 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 248
[2024-11-12 00:38:18,626 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:38:18,627 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]
[2024-11-12 00:38:18,627 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:38:18,633 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:38:18,634 INFO  L85        PathProgramCache]: Analyzing trace with hash -1035694003, now seen corresponding path program 1 times
[2024-11-12 00:38:18,642 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:38:18,643 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109325822]
[2024-11-12 00:38:18,643 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:38:18,643 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:38:19,090 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:38:20,216 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 00:38:20,220 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:38:20,220 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109325822]
[2024-11-12 00:38:20,221 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109325822] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:38:20,222 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:38:20,222 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-12 00:38:20,224 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264297271]
[2024-11-12 00:38:20,225 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:38:20,230 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-12 00:38:20,231 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:38:20,260 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-12 00:38:20,261 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:38:20,290 INFO  L87              Difference]: Start difference. First operand  has 8118 states, 8116 states have (on average 1.4998767865943814) internal successors, (12173), 8117 states have internal predecessors, (12173), 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 4 states, 4 states have (on average 61.75) internal successors, (247), 4 states have internal predecessors, (247), 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 00:38:20,703 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:38:20,703 INFO  L93              Difference]: Finished difference Result 15985 states and 23973 transitions.
[2024-11-12 00:38:20,705 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-12 00:38:20,707 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 61.75) internal successors, (247), 4 states have internal predecessors, (247), 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 247
[2024-11-12 00:38:20,709 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:38:20,767 INFO  L225             Difference]: With dead ends: 15985
[2024-11-12 00:38:20,768 INFO  L226             Difference]: Without dead ends: 8117
[2024-11-12 00:38:20,790 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 00:38:20,794 INFO  L435           NwaCegarLoop]: 12167 mSDtfsCounter, 0 mSDsluCounter, 24328 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36495 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-12 00:38:20,796 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36495 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-12 00:38:20,833 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8117 states.
[2024-11-12 00:38:21,025 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8117 to 8117.
[2024-11-12 00:38:21,046 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8117 states, 8116 states have (on average 1.4996303597831444) internal successors, (12171), 8116 states have internal predecessors, (12171), 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 00:38:21,079 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8117 states to 8117 states and 12171 transitions.
[2024-11-12 00:38:21,081 INFO  L78                 Accepts]: Start accepts. Automaton has 8117 states and 12171 transitions. Word has length 247
[2024-11-12 00:38:21,086 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:38:21,087 INFO  L471      AbstractCegarLoop]: Abstraction has 8117 states and 12171 transitions.
[2024-11-12 00:38:21,087 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 61.75) internal successors, (247), 4 states have internal predecessors, (247), 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 00:38:21,087 INFO  L276                IsEmpty]: Start isEmpty. Operand 8117 states and 12171 transitions.
[2024-11-12 00:38:21,215 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 249
[2024-11-12 00:38:21,215 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:38:21,215 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]
[2024-11-12 00:38:21,216 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-12 00:38:21,216 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:38:21,217 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:38:21,217 INFO  L85        PathProgramCache]: Analyzing trace with hash -2040046295, now seen corresponding path program 1 times
[2024-11-12 00:38:21,217 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:38:21,221 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471581048]
[2024-11-12 00:38:21,221 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:38:21,221 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:38:21,386 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:38:21,865 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 00:38:21,865 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:38:21,866 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471581048]
[2024-11-12 00:38:21,866 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471581048] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:38:21,868 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:38:21,868 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-12 00:38:21,868 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686895347]
[2024-11-12 00:38:21,868 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:38:21,870 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-12 00:38:21,870 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:38:21,871 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-12 00:38:21,873 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:38:21,875 INFO  L87              Difference]: Start difference. First operand 8117 states and 12171 transitions. Second operand  has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 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 00:38:22,125 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:38:22,126 INFO  L93              Difference]: Finished difference Result 15986 states and 23971 transitions.
[2024-11-12 00:38:22,127 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-12 00:38:22,127 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 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 248
[2024-11-12 00:38:22,128 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:38:22,160 INFO  L225             Difference]: With dead ends: 15986
[2024-11-12 00:38:22,160 INFO  L226             Difference]: Without dead ends: 8119
[2024-11-12 00:38:22,173 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 00:38:22,175 INFO  L435           NwaCegarLoop]: 12167 mSDtfsCounter, 0 mSDsluCounter, 24324 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36491 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-12 00:38:22,177 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36491 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-12 00:38:22,193 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8119 states.
[2024-11-12 00:38:22,335 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8119 to 8119.
[2024-11-12 00:38:22,351 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8119 states, 8118 states have (on average 1.4995072677999508) internal successors, (12173), 8118 states have internal predecessors, (12173), 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 00:38:22,372 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8119 states to 8119 states and 12173 transitions.
[2024-11-12 00:38:22,372 INFO  L78                 Accepts]: Start accepts. Automaton has 8119 states and 12173 transitions. Word has length 248
[2024-11-12 00:38:22,373 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:38:22,374 INFO  L471      AbstractCegarLoop]: Abstraction has 8119 states and 12173 transitions.
[2024-11-12 00:38:22,375 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 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 00:38:22,375 INFO  L276                IsEmpty]: Start isEmpty. Operand 8119 states and 12173 transitions.
[2024-11-12 00:38:22,378 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 250
[2024-11-12 00:38:22,379 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:38:22,379 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]
[2024-11-12 00:38:22,380 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-12 00:38:22,380 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:38:22,380 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:38:22,381 INFO  L85        PathProgramCache]: Analyzing trace with hash 85109926, now seen corresponding path program 1 times
[2024-11-12 00:38:22,381 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:38:22,381 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397618604]
[2024-11-12 00:38:22,381 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:38:22,382 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:38:22,517 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:38:22,911 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 00:38:22,912 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:38:22,913 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397618604]
[2024-11-12 00:38:22,913 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397618604] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:38:22,913 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:38:22,913 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-12 00:38:22,913 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594881282]
[2024-11-12 00:38:22,913 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:38:22,914 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-12 00:38:22,914 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:38:22,916 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-12 00:38:22,916 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-12 00:38:22,918 INFO  L87              Difference]: Start difference. First operand 8119 states and 12173 transitions. Second operand  has 4 states, 4 states have (on average 62.25) internal successors, (249), 4 states have internal predecessors, (249), 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 00:38:23,160 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:38:23,160 INFO  L93              Difference]: Finished difference Result 15990 states and 23975 transitions.
[2024-11-12 00:38:23,161 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-12 00:38:23,161 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 62.25) internal successors, (249), 4 states have internal predecessors, (249), 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 249
[2024-11-12 00:38:23,162 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:38:23,200 INFO  L225             Difference]: With dead ends: 15990
[2024-11-12 00:38:23,201 INFO  L226             Difference]: Without dead ends: 8121
[2024-11-12 00:38:23,216 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 00:38:23,219 INFO  L435           NwaCegarLoop]: 12167 mSDtfsCounter, 0 mSDsluCounter, 24318 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36485 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-12 00:38:23,220 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36485 Invalid, 21 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-12 00:38:23,239 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8121 states.
[2024-11-12 00:38:23,399 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8121 to 8121.
[2024-11-12 00:38:23,418 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8121 states, 8120 states have (on average 1.499384236453202) internal successors, (12175), 8120 states have internal predecessors, (12175), 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 00:38:23,443 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8121 states to 8121 states and 12175 transitions.
[2024-11-12 00:38:23,444 INFO  L78                 Accepts]: Start accepts. Automaton has 8121 states and 12175 transitions. Word has length 249
[2024-11-12 00:38:23,445 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:38:23,445 INFO  L471      AbstractCegarLoop]: Abstraction has 8121 states and 12175 transitions.
[2024-11-12 00:38:23,446 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 62.25) internal successors, (249), 4 states have internal predecessors, (249), 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 00:38:23,447 INFO  L276                IsEmpty]: Start isEmpty. Operand 8121 states and 12175 transitions.
[2024-11-12 00:38:23,450 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 251
[2024-11-12 00:38:23,450 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:38:23,454 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]
[2024-11-12 00:38:23,454 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-12 00:38:23,454 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:38:23,455 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:38:23,456 INFO  L85        PathProgramCache]: Analyzing trace with hash -747671216, now seen corresponding path program 1 times
[2024-11-12 00:38:23,456 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:38:23,456 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006817633]
[2024-11-12 00:38:23,456 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:38:23,457 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 00:38:23,593 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 00:38:24,079 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 00:38:24,079 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 00:38:24,079 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006817633]
[2024-11-12 00:38:24,080 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006817633] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 00:38:24,080 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 00:38:24,080 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-12 00:38:24,080 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513411919]
[2024-11-12 00:38:24,080 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 00:38:24,081 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-12 00:38:24,081 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 00:38:24,082 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-12 00:38:24,082 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-12 00:38:24,083 INFO  L87              Difference]: Start difference. First operand 8121 states and 12175 transitions. Second operand  has 5 states, 5 states have (on average 50.0) internal successors, (250), 5 states have internal predecessors, (250), 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 00:38:24,492 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-12 00:38:24,492 INFO  L93              Difference]: Finished difference Result 23225 states and 34822 transitions.
[2024-11-12 00:38:24,493 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-12 00:38:24,493 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 50.0) internal successors, (250), 5 states have internal predecessors, (250), 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 250
[2024-11-12 00:38:24,494 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-12 00:38:24,544 INFO  L225             Difference]: With dead ends: 23225
[2024-11-12 00:38:24,545 INFO  L226             Difference]: Without dead ends: 15354
[2024-11-12 00:38:24,562 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 00:38:24,563 INFO  L435           NwaCegarLoop]: 12163 mSDtfsCounter, 10981 mSDsluCounter, 36110 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10981 SdHoareTripleChecker+Valid, 48273 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-12 00:38:24,567 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [10981 Valid, 48273 Invalid, 30 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-12 00:38:24,598 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 15354 states.
[2024-11-12 00:38:24,800 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 15354 to 8349.
[2024-11-12 00:38:24,816 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8349 states, 8348 states have (on average 1.4994010541447054) internal successors, (12517), 8348 states have internal predecessors, (12517), 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 00:38:24,833 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8349 states to 8349 states and 12517 transitions.
[2024-11-12 00:38:24,834 INFO  L78                 Accepts]: Start accepts. Automaton has 8349 states and 12517 transitions. Word has length 250
[2024-11-12 00:38:24,834 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-12 00:38:24,835 INFO  L471      AbstractCegarLoop]: Abstraction has 8349 states and 12517 transitions.
[2024-11-12 00:38:24,835 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 50.0) internal successors, (250), 5 states have internal predecessors, (250), 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 00:38:24,835 INFO  L276                IsEmpty]: Start isEmpty. Operand 8349 states and 12517 transitions.
[2024-11-12 00:38:25,081 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4184
[2024-11-12 00:38:25,081 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-12 00:38:25,084 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-11-12 00:38:25,084 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-12 00:38:25,085 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-12 00:38:25,086 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 00:38:25,088 INFO  L85        PathProgramCache]: Analyzing trace with hash 308149634, now seen corresponding path program 1 times
[2024-11-12 00:38:25,089 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 00:38:25,089 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086854504]
[2024-11-12 00:38:25,090 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 00:38:25,090 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms