./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.reader_writer.2.prop1-func-interl.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version a046e57d
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.reader_writer.2.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 e9da64380f47890617fc4ad472069c1bd7b8c79b168e9d1d2018b4ba0fbfd33e
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m
[2024-10-12 23:24:25,566 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-10-12 23:24:25,634 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-10-12 23:24:25,639 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-10-12 23:24:25,640 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-12 23:24:25,673 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-12 23:24:25,674 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-12 23:24:25,675 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-12 23:24:25,675 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-10-12 23:24:25,676 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-10-12 23:24:25,677 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-10-12 23:24:25,678 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-10-12 23:24:25,678 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-12 23:24:25,679 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-10-12 23:24:25,680 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-10-12 23:24:25,681 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-12 23:24:25,681 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-10-12 23:24:25,681 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-10-12 23:24:25,682 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-10-12 23:24:25,682 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-10-12 23:24:25,682 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-10-12 23:24:25,683 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-10-12 23:24:25,683 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-10-12 23:24:25,686 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-10-12 23:24:25,686 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-10-12 23:24:25,687 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-12 23:24:25,687 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-10-12 23:24:25,687 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-10-12 23:24:25,687 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-10-12 23:24:25,688 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-12 23:24:25,688 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-12 23:24:25,688 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-10-12 23:24:25,688 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-10-12 23:24:25,688 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-10-12 23:24:25,689 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-10-12 23:24:25,689 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-10-12 23:24:25,689 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-10-12 23:24:25,690 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-10-12 23:24:25,690 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-10-12 23:24:25,690 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 -> e9da64380f47890617fc4ad472069c1bd7b8c79b168e9d1d2018b4ba0fbfd33e
[2024-10-12 23:24:25,950 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-12 23:24:25,972 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-12 23:24:25,975 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-12 23:24:25,976 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-10-12 23:24:25,977 INFO  L274        PluginConnector]: CDTParser initialized
[2024-10-12 23:24:25,978 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.reader_writer.2.prop1-func-interl.c
[2024-10-12 23:24:27,388 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-10-12 23:24:27,725 INFO  L384              CDTParser]: Found 1 translation units.
[2024-10-12 23:24:27,726 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.reader_writer.2.prop1-func-interl.c
[2024-10-12 23:24:27,755 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1628c2b9d/5f7293b89f6347d49e7b719c7772c2b3/FLAGbe94bc4f0
[2024-10-12 23:24:27,967 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1628c2b9d/5f7293b89f6347d49e7b719c7772c2b3
[2024-10-12 23:24:27,969 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-12 23:24:27,970 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-12 23:24:27,972 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-12 23:24:27,972 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-12 23:24:27,982 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-12 23:24:27,983 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:24:27" (1/1) ...
[2024-10-12 23:24:27,984 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@617e5435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:24:27, skipping insertion in model container
[2024-10-12 23:24:27,984 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:24:27" (1/1) ...
[2024-10-12 23:24:28,069 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-10-12 23:24:28,374 WARN  L248   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.2.prop1-func-interl.c[1180,1193]
[2024-10-12 23:24:28,978 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-12 23:24:28,987 INFO  L200         MainTranslator]: Completed pre-run
[2024-10-12 23:24:28,996 WARN  L248   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.2.prop1-func-interl.c[1180,1193]
[2024-10-12 23:24:29,336 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-12 23:24:29,353 INFO  L204         MainTranslator]: Completed translation
[2024-10-12 23:24:29,354 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:24:29 WrapperNode
[2024-10-12 23:24:29,354 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-12 23:24:29,355 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-12 23:24:29,356 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-12 23:24:29,356 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-12 23:24:29,363 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:24:29" (1/1) ...
[2024-10-12 23:24:29,493 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:24:29" (1/1) ...
[2024-10-12 23:24:31,801 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 15870
[2024-10-12 23:24:31,801 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-12 23:24:31,802 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-12 23:24:31,802 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-12 23:24:31,802 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-10-12 23:24:31,812 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:24:29" (1/1) ...
[2024-10-12 23:24:31,812 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:24:29" (1/1) ...
[2024-10-12 23:24:32,487 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:24:29" (1/1) ...
[2024-10-12 23:24:33,106 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].
[2024-10-12 23:24:33,110 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:24:29" (1/1) ...
[2024-10-12 23:24:33,110 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:24:29" (1/1) ...
[2024-10-12 23:24:33,954 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:24:29" (1/1) ...
[2024-10-12 23:24:34,056 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:24:29" (1/1) ...
[2024-10-12 23:24:34,211 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:24:29" (1/1) ...
[2024-10-12 23:24:34,350 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:24:29" (1/1) ...
[2024-10-12 23:24:34,715 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-12 23:24:34,717 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-12 23:24:34,717 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-10-12 23:24:34,717 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-10-12 23:24:34,718 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:24:29" (1/1) ...
[2024-10-12 23:24:34,724 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-10-12 23:24:34,735 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-10-12 23:24:34,751 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-10-12 23:24:34,755 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-10-12 23:24:34,795 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-10-12 23:24:34,795 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-10-12 23:24:34,796 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-12 23:24:34,796 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-12 23:24:35,637 INFO  L238             CfgBuilder]: Building ICFG
[2024-10-12 23:24:35,638 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-12 23:24:57,188 INFO  L?                        ?]: Removed 8642 outVars from TransFormulas that were not future-live.
[2024-10-12 23:24:57,188 INFO  L287             CfgBuilder]: Performing block encoding
[2024-10-12 23:24:57,410 INFO  L309             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-12 23:24:57,411 INFO  L314             CfgBuilder]: Removed 1 assume(true) statements.
[2024-10-12 23:24:57,411 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:24:57 BoogieIcfgContainer
[2024-10-12 23:24:57,413 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-12 23:24:57,416 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-10-12 23:24:57,416 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-10-12 23:24:57,419 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-10-12 23:24:57,420 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:24:27" (1/3) ...
[2024-10-12 23:24:57,420 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c7bef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:24:57, skipping insertion in model container
[2024-10-12 23:24:57,421 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:24:29" (2/3) ...
[2024-10-12 23:24:57,422 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c7bef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:24:57, skipping insertion in model container
[2024-10-12 23:24:57,422 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:24:57" (3/3) ...
[2024-10-12 23:24:57,423 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.reader_writer.2.prop1-func-interl.c
[2024-10-12 23:24:57,442 INFO  L209   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-10-12 23:24:57,443 INFO  L149   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-10-12 23:24:57,617 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-10-12 23:24:57,624 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;@c089514, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-12 23:24:57,625 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-10-12 23:24:57,645 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 5839 states, 5837 states have (on average 1.5000856604420079) internal successors, (8756), 5838 states have internal predecessors, (8756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-12 23:24:57,667 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 195
[2024-10-12 23:24:57,667 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-12 23:24:57,670 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-12 23:24:57,670 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-12 23:24:57,675 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-12 23:24:57,677 INFO  L85        PathProgramCache]: Analyzing trace with hash 1512177129, now seen corresponding path program 1 times
[2024-10-12 23:24:57,686 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-12 23:24:57,686 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948817876]
[2024-10-12 23:24:57,687 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-12 23:24:57,687 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-12 23:24:58,045 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-12 23:24:58,805 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-12 23:24:58,805 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-12 23:24:58,805 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948817876]
[2024-10-12 23:24:58,806 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948817876] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-12 23:24:58,808 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-12 23:24:58,808 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-12 23:24:58,810 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966709970]
[2024-10-12 23:24:58,810 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-12 23:24:58,815 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-12 23:24:58,816 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-12 23:24:58,839 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-12 23:24:58,840 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-12 23:24:58,856 INFO  L87              Difference]: Start difference. First operand  has 5839 states, 5837 states have (on average 1.5000856604420079) internal successors, (8756), 5838 states have internal predecessors, (8756), 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 48.5) internal successors, (194), 4 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-12 23:24:59,153 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-12 23:24:59,153 INFO  L93              Difference]: Finished difference Result 11502 states and 17250 transitions.
[2024-10-12 23:24:59,155 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-12 23:24:59,156 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 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 194
[2024-10-12 23:24:59,157 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-12 23:24:59,201 INFO  L225             Difference]: With dead ends: 11502
[2024-10-12 23:24:59,201 INFO  L226             Difference]: Without dead ends: 5840
[2024-10-12 23:24:59,218 INFO  L431           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
[2024-10-12 23:24:59,221 INFO  L432           NwaCegarLoop]: 8751 mSDtfsCounter, 0 mSDsluCounter, 17497 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26248 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-12 23:24:59,222 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26248 Invalid, 13 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-12 23:24:59,248 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5840 states.
[2024-10-12 23:24:59,398 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5840 to 5840.
[2024-10-12 23:24:59,411 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5840 states, 5839 states have (on average 1.4995718444939201) internal successors, (8756), 5839 states have internal predecessors, (8756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-12 23:24:59,427 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5840 states to 5840 states and 8756 transitions.
[2024-10-12 23:24:59,429 INFO  L78                 Accepts]: Start accepts. Automaton has 5840 states and 8756 transitions. Word has length 194
[2024-10-12 23:24:59,431 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-12 23:24:59,433 INFO  L471      AbstractCegarLoop]: Abstraction has 5840 states and 8756 transitions.
[2024-10-12 23:24:59,434 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-12 23:24:59,434 INFO  L276                IsEmpty]: Start isEmpty. Operand 5840 states and 8756 transitions.
[2024-10-12 23:24:59,437 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 196
[2024-10-12 23:24:59,441 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-12 23:24:59,441 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-12 23:24:59,442 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-10-12 23:24:59,442 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-12 23:24:59,443 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-12 23:24:59,443 INFO  L85        PathProgramCache]: Analyzing trace with hash -365452869, now seen corresponding path program 1 times
[2024-10-12 23:24:59,443 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-12 23:24:59,443 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884820329]
[2024-10-12 23:24:59,443 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-12 23:24:59,443 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-12 23:24:59,583 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-12 23:25:00,025 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-12 23:25:00,027 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-12 23:25:00,027 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884820329]
[2024-10-12 23:25:00,028 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884820329] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-12 23:25:00,028 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-12 23:25:00,028 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-12 23:25:00,028 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434899866]
[2024-10-12 23:25:00,029 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-12 23:25:00,030 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-12 23:25:00,032 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-12 23:25:00,033 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-12 23:25:00,034 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-12 23:25:00,034 INFO  L87              Difference]: Start difference. First operand 5840 states and 8756 transitions. Second operand  has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-12 23:25:00,302 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-12 23:25:00,303 INFO  L93              Difference]: Finished difference Result 11505 states and 17250 transitions.
[2024-10-12 23:25:00,303 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-12 23:25:00,303 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 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 195
[2024-10-12 23:25:00,304 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-12 23:25:00,328 INFO  L225             Difference]: With dead ends: 11505
[2024-10-12 23:25:00,329 INFO  L226             Difference]: Without dead ends: 5842
[2024-10-12 23:25:00,340 INFO  L431           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
[2024-10-12 23:25:00,341 INFO  L432           NwaCegarLoop]: 8751 mSDtfsCounter, 0 mSDsluCounter, 17494 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26245 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-10-12 23:25:00,342 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26245 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-12 23:25:00,354 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5842 states.
[2024-10-12 23:25:00,675 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5842 to 5842.
[2024-10-12 23:25:00,687 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5842 states, 5841 states have (on average 1.4994007875363808) internal successors, (8758), 5841 states have internal predecessors, (8758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-12 23:25:00,705 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5842 states to 5842 states and 8758 transitions.
[2024-10-12 23:25:00,706 INFO  L78                 Accepts]: Start accepts. Automaton has 5842 states and 8758 transitions. Word has length 195
[2024-10-12 23:25:00,707 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-12 23:25:00,707 INFO  L471      AbstractCegarLoop]: Abstraction has 5842 states and 8758 transitions.
[2024-10-12 23:25:00,707 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-12 23:25:00,707 INFO  L276                IsEmpty]: Start isEmpty. Operand 5842 states and 8758 transitions.
[2024-10-12 23:25:00,710 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 197
[2024-10-12 23:25:00,710 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-12 23:25:00,710 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-12 23:25:00,711 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-10-12 23:25:00,711 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-12 23:25:00,712 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-12 23:25:00,713 INFO  L85        PathProgramCache]: Analyzing trace with hash 457898242, now seen corresponding path program 1 times
[2024-10-12 23:25:00,713 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-12 23:25:00,713 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820995574]
[2024-10-12 23:25:00,713 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-12 23:25:00,714 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-12 23:25:00,818 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-12 23:25:01,142 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-12 23:25:01,143 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-12 23:25:01,144 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820995574]
[2024-10-12 23:25:01,144 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820995574] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-12 23:25:01,144 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-12 23:25:01,144 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-12 23:25:01,145 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712976953]
[2024-10-12 23:25:01,145 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-12 23:25:01,146 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-10-12 23:25:01,146 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-12 23:25:01,147 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-10-12 23:25:01,147 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-10-12 23:25:01,150 INFO  L87              Difference]: Start difference. First operand 5842 states and 8758 transitions. Second operand  has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-12 23:25:01,370 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-12 23:25:01,371 INFO  L93              Difference]: Finished difference Result 11509 states and 17254 transitions.
[2024-10-12 23:25:01,371 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-10-12 23:25:01,371 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 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 196
[2024-10-12 23:25:01,372 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-12 23:25:01,392 INFO  L225             Difference]: With dead ends: 11509
[2024-10-12 23:25:01,392 INFO  L226             Difference]: Without dead ends: 5844
[2024-10-12 23:25:01,401 INFO  L431           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
[2024-10-12 23:25:01,402 INFO  L432           NwaCegarLoop]: 8751 mSDtfsCounter, 0 mSDsluCounter, 17488 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26239 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
[2024-10-12 23:25:01,404 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26239 Invalid, 22 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-10-12 23:25:01,416 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5844 states.
[2024-10-12 23:25:01,515 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5844 to 5844.
[2024-10-12 23:25:01,528 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5844 states, 5843 states have (on average 1.4992298476809858) internal successors, (8760), 5843 states have internal predecessors, (8760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-12 23:25:01,545 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5844 states to 5844 states and 8760 transitions.
[2024-10-12 23:25:01,546 INFO  L78                 Accepts]: Start accepts. Automaton has 5844 states and 8760 transitions. Word has length 196
[2024-10-12 23:25:01,547 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-12 23:25:01,547 INFO  L471      AbstractCegarLoop]: Abstraction has 5844 states and 8760 transitions.
[2024-10-12 23:25:01,547 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-12 23:25:01,547 INFO  L276                IsEmpty]: Start isEmpty. Operand 5844 states and 8760 transitions.
[2024-10-12 23:25:01,549 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 198
[2024-10-12 23:25:01,550 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-12 23:25:01,550 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-10-12 23:25:01,550 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-10-12 23:25:01,550 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-12 23:25:01,551 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-12 23:25:01,551 INFO  L85        PathProgramCache]: Analyzing trace with hash -2076135646, now seen corresponding path program 1 times
[2024-10-12 23:25:01,551 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-12 23:25:01,552 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579944431]
[2024-10-12 23:25:01,552 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-12 23:25:01,552 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-12 23:25:01,653 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-12 23:25:02,060 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-12 23:25:02,061 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-12 23:25:02,061 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579944431]
[2024-10-12 23:25:02,061 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579944431] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-12 23:25:02,061 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-12 23:25:02,062 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-12 23:25:02,062 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028436366]
[2024-10-12 23:25:02,062 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-12 23:25:02,063 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-10-12 23:25:02,063 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-12 23:25:02,064 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-10-12 23:25:02,064 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-10-12 23:25:02,064 INFO  L87              Difference]: Start difference. First operand 5844 states and 8760 transitions. Second operand  has 5 states, 5 states have (on average 39.4) internal successors, (197), 4 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-12 23:25:02,425 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-10-12 23:25:02,426 INFO  L93              Difference]: Finished difference Result 16720 states and 25065 transitions.
[2024-10-12 23:25:02,426 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-10-12 23:25:02,426 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 39.4) internal successors, (197), 4 states have internal predecessors, (197), 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 197
[2024-10-12 23:25:02,427 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-10-12 23:25:02,465 INFO  L225             Difference]: With dead ends: 16720
[2024-10-12 23:25:02,466 INFO  L226             Difference]: Without dead ends: 11053
[2024-10-12 23:25:02,476 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-10-12 23:25:02,479 INFO  L432           NwaCegarLoop]: 8747 mSDtfsCounter, 7889 mSDsluCounter, 25973 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7889 SdHoareTripleChecker+Valid, 34720 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-10-12 23:25:02,481 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [7889 Valid, 34720 Invalid, 31 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-10-12 23:25:02,498 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11053 states.
[2024-10-12 23:25:02,621 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11053 to 6040.
[2024-10-12 23:25:02,636 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6040 states, 6039 states have (on average 1.4992548435171387) internal successors, (9054), 6039 states have internal predecessors, (9054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-12 23:25:02,653 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6040 states to 6040 states and 9054 transitions.
[2024-10-12 23:25:02,654 INFO  L78                 Accepts]: Start accepts. Automaton has 6040 states and 9054 transitions. Word has length 197
[2024-10-12 23:25:02,654 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-10-12 23:25:02,654 INFO  L471      AbstractCegarLoop]: Abstraction has 6040 states and 9054 transitions.
[2024-10-12 23:25:02,655 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 39.4) internal successors, (197), 4 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-12 23:25:02,655 INFO  L276                IsEmpty]: Start isEmpty. Operand 6040 states and 9054 transitions.
[2024-10-12 23:25:03,010 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3029
[2024-10-12 23:25:03,011 INFO  L207           NwaCegarLoop]: Found error trace
[2024-10-12 23:25:03,012 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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[2024-10-12 23:25:03,013 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-10-12 23:25:03,013 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-12 23:25:03,014 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-12 23:25:03,015 INFO  L85        PathProgramCache]: Analyzing trace with hash 242685712, now seen corresponding path program 1 times
[2024-10-12 23:25:03,015 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-12 23:25:03,015 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115135746]
[2024-10-12 23:25:03,016 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-12 23:25:03,016 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-12 23:25:20,540 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-12 23:25:27,445 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 6 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-12 23:25:27,446 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-12 23:25:27,446 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115135746]
[2024-10-12 23:25:27,446 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115135746] provided 0 perfect and 1 imperfect interpolant sequences
[2024-10-12 23:25:27,446 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83659877]
[2024-10-12 23:25:27,448 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-12 23:25:27,448 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-12 23:25:27,448 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-10-12 23:25:27,451 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-10-12 23:25:27,453 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-10-12 23:25:30,693 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-12 23:25:30,763 INFO  L255         TraceCheckSpWp]: Trace formula consists of 12213 conjuncts, 25 conjuncts are in the unsatisfiable core
[2024-10-12 23:25:30,853 INFO  L278         TraceCheckSpWp]: Computing forward predicates...