./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/xcsp/aim-200-2-0-unsat-3.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 803cd42f
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 ../sv-benchmarks/c/xcsp/aim-200-2-0-unsat-3.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7ba538f834e25276dcefc4c11b4f92efc495687e367eb839510e9e1800541555
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m
[2024-11-22 03:14:58,519 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-22 03:14:58,606 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-22 03:14:58,622 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-22 03:14:58,626 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-22 03:14:58,646 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-22 03:14:58,650 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-22 03:14:58,651 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-22 03:14:58,651 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-22 03:14:58,651 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-22 03:14:58,655 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-22 03:14:58,655 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-22 03:14:58,656 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-22 03:14:58,656 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-22 03:14:58,656 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-22 03:14:58,657 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-22 03:14:58,657 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-22 03:14:58,657 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-22 03:14:58,657 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-22 03:14:58,658 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-22 03:14:58,658 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-22 03:14:58,658 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-22 03:14:58,659 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-22 03:14:58,662 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-22 03:14:58,662 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-22 03:14:58,662 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-22 03:14:58,663 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-22 03:14:58,663 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-22 03:14:58,663 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-22 03:14:58,664 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-22 03:14:58,664 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-22 03:14:58,664 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-22 03:14:58,664 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-22 03:14:58,664 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-22 03:14:58,664 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-22 03:14:58,664 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-22 03:14:58,665 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-22 03:14:58,665 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-22 03:14:58,665 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-22 03:14:58,665 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-22 03:14:58,670 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-22 03:14:58,670 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-22 03:14:58,672 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ba538f834e25276dcefc4c11b4f92efc495687e367eb839510e9e1800541555
[2024-11-22 03:14:58,992 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-22 03:14:59,017 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-22 03:14:59,021 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-22 03:14:59,022 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-22 03:14:59,022 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-22 03:14:59,023 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/aim-200-2-0-unsat-3.c
[2024-11-22 03:15:00,460 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-22 03:15:00,785 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-22 03:15:00,786 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/aim-200-2-0-unsat-3.c
[2024-11-22 03:15:00,806 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d302fb76/3108ff9dbe3d4a038657348d73f838f3/FLAGc831ce49f
[2024-11-22 03:15:00,825 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d302fb76/3108ff9dbe3d4a038657348d73f838f3
[2024-11-22 03:15:00,828 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-22 03:15:00,829 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-22 03:15:00,835 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-22 03:15:00,835 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-22 03:15:00,841 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-22 03:15:00,842 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:15:00" (1/1) ...
[2024-11-22 03:15:00,846 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f3caed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:00, skipping insertion in model container
[2024-11-22 03:15:00,846 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:15:00" (1/1) ...
[2024-11-22 03:15:00,917 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-22 03:15:01,395 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/xcsp/aim-200-2-0-unsat-3.c[42811,42824]
[2024-11-22 03:15:01,460 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-22 03:15:01,485 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-22 03:15:01,605 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/xcsp/aim-200-2-0-unsat-3.c[42811,42824]
[2024-11-22 03:15:01,630 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-22 03:15:01,657 INFO  L204         MainTranslator]: Completed translation
[2024-11-22 03:15:01,658 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:01 WrapperNode
[2024-11-22 03:15:01,658 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-22 03:15:01,663 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-22 03:15:01,663 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-22 03:15:01,663 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-22 03:15:01,668 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:01" (1/1) ...
[2024-11-22 03:15:01,720 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:01" (1/1) ...
[2024-11-22 03:15:02,263 INFO  L138                Inliner]: procedures = 13, calls = 795, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 8260
[2024-11-22 03:15:02,263 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-22 03:15:02,264 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-22 03:15:02,264 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-22 03:15:02,264 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-22 03:15:02,284 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:01" (1/1) ...
[2024-11-22 03:15:02,285 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:01" (1/1) ...
[2024-11-22 03:15:02,422 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:01" (1/1) ...
[2024-11-22 03:15:02,525 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].
[2024-11-22 03:15:02,525 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:01" (1/1) ...
[2024-11-22 03:15:02,525 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:01" (1/1) ...
[2024-11-22 03:15:02,694 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:01" (1/1) ...
[2024-11-22 03:15:02,808 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:01" (1/1) ...
[2024-11-22 03:15:02,840 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:01" (1/1) ...
[2024-11-22 03:15:02,863 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:01" (1/1) ...
[2024-11-22 03:15:02,962 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-22 03:15:02,965 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-22 03:15:02,965 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-22 03:15:02,965 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-22 03:15:02,966 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:01" (1/1) ...
[2024-11-22 03:15:02,971 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-22 03:15:02,979 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 03:15:03,000 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)
[2024-11-22 03:15:03,007 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
[2024-11-22 03:15:03,045 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-22 03:15:03,045 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-22 03:15:03,045 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-22 03:15:03,045 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-22 03:15:03,045 INFO  L130     BoogieDeclarations]: Found specification of procedure assume
[2024-11-22 03:15:03,046 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume
[2024-11-22 03:15:03,296 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-22 03:15:03,298 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-22 03:15:18,875 INFO  L?                        ?]: Removed 1862 outVars from TransFormulas that were not future-live.
[2024-11-22 03:15:18,875 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-22 03:15:18,966 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-22 03:15:18,966 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-22 03:15:18,966 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:15:18 BoogieIcfgContainer
[2024-11-22 03:15:18,967 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-22 03:15:18,969 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-22 03:15:18,969 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-22 03:15:18,972 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-22 03:15:18,972 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:15:00" (1/3) ...
[2024-11-22 03:15:18,974 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6137e919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:15:18, skipping insertion in model container
[2024-11-22 03:15:18,974 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:15:01" (2/3) ...
[2024-11-22 03:15:18,974 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6137e919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:15:18, skipping insertion in model container
[2024-11-22 03:15:18,974 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:15:18" (3/3) ...
[2024-11-22 03:15:18,976 INFO  L112   eAbstractionObserver]: Analyzing ICFG aim-200-2-0-unsat-3.c
[2024-11-22 03:15:18,991 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-22 03:15:18,992 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-22 03:15:19,173 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-22 03:15:19,182 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;@5486f143, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-22 03:15:19,183 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-22 03:15:19,202 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 3808 states, 3017 states have (on average 1.5356314219423268) internal successors, (4633), 3018 states have internal predecessors, (4633), 788 states have call successors, (788), 1 states have call predecessors, (788), 1 states have return successors, (788), 788 states have call predecessors, (788), 788 states have call successors, (788)
[2024-11-22 03:15:19,560 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5339
[2024-11-22 03:15:19,561 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 03:15:19,572 INFO  L215           NwaCegarLoop]: trace histogram [788, 788, 788, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 03:15:19,573 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 03:15:19,581 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 03:15:19,584 INFO  L85        PathProgramCache]: Analyzing trace with hash 1259469085, now seen corresponding path program 1 times
[2024-11-22 03:15:19,593 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 03:15:19,594 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816322157]
[2024-11-22 03:15:19,595 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 03:15:19,597 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 03:15:24,187 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 03:16:11,523 INFO  L134       CoverageAnalysis]: Checked inductivity of 1240312 backedges. 2844 proven. 15876 refuted. 0 times theorem prover too weak. 1221592 trivial. 0 not checked.
[2024-11-22 03:16:11,524 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 03:16:11,525 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816322157]
[2024-11-22 03:16:11,525 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816322157] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-22 03:16:11,525 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439419210]
[2024-11-22 03:16:11,526 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 03:16:11,527 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 03:16:11,527 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 03:16:11,530 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-22 03:16:11,540 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-22 03:16:13,334 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 03:16:13,389 INFO  L255         TraceCheckSpWp]: Trace formula consists of 10327 conjuncts, 78 conjuncts are in the unsatisfiable core
[2024-11-22 03:16:13,546 INFO  L278         TraceCheckSpWp]: Computing forward predicates...