./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/xcsp/aim-100-6-0-sat-2.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-100-6-0-sat-2.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 62385e6bfd84118ba01d2d49adc14a21533d9eb0487ec52569a5af9428684a45
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m
[2024-11-22 03:13:13,852 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-22 03:13:13,916 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-22 03:13:13,921 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-22 03:13:13,922 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-22 03:13:13,950 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-22 03:13:13,951 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-22 03:13:13,951 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-22 03:13:13,952 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-22 03:13:13,952 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-22 03:13:13,952 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-22 03:13:13,952 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-22 03:13:13,953 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-22 03:13:13,953 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-22 03:13:13,957 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-22 03:13:13,958 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-22 03:13:13,958 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-22 03:13:13,958 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-22 03:13:13,958 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-22 03:13:13,958 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-22 03:13:13,959 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-22 03:13:13,961 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-22 03:13:13,961 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-22 03:13:13,962 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-22 03:13:13,962 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-22 03:13:13,962 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-22 03:13:13,962 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-22 03:13:13,962 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-22 03:13:13,962 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-22 03:13:13,962 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-22 03:13:13,963 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-22 03:13:13,963 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-22 03:13:13,963 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-22 03:13:13,963 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-22 03:13:13,963 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-22 03:13:13,963 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-22 03:13:13,964 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-22 03:13:13,964 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-22 03:13:13,964 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-22 03:13:13,965 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-22 03:13:13,965 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-22 03:13:13,965 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-22 03:13:13,966 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 -> 62385e6bfd84118ba01d2d49adc14a21533d9eb0487ec52569a5af9428684a45
[2024-11-22 03:13:14,184 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-22 03:13:14,205 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-22 03:13:14,210 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-22 03:13:14,210 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-22 03:13:14,214 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-22 03:13:14,215 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/aim-100-6-0-sat-2.c
[2024-11-22 03:13:15,576 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-22 03:13:15,808 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-22 03:13:15,808 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/aim-100-6-0-sat-2.c
[2024-11-22 03:13:15,822 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69f574145/80b439a7565e4a91b4c56a126bbae30a/FLAGba83c5fe2
[2024-11-22 03:13:16,146 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69f574145/80b439a7565e4a91b4c56a126bbae30a
[2024-11-22 03:13:16,148 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-22 03:13:16,149 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-22 03:13:16,150 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-22 03:13:16,150 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-22 03:13:16,154 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-22 03:13:16,155 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:13:16" (1/1) ...
[2024-11-22 03:13:16,156 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b007218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:13:16, skipping insertion in model container
[2024-11-22 03:13:16,156 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:13:16" (1/1) ...
[2024-11-22 03:13:16,204 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-22 03:13:16,592 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-100-6-0-sat-2.c[43811,43824]
[2024-11-22 03:13:16,622 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-22 03:13:16,634 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-22 03:13:16,765 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-100-6-0-sat-2.c[43811,43824]
[2024-11-22 03:13:16,786 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-22 03:13:16,805 INFO  L204         MainTranslator]: Completed translation
[2024-11-22 03:13:16,805 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:13:16 WrapperNode
[2024-11-22 03:13:16,805 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-22 03:13:16,809 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-22 03:13:16,809 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-22 03:13:16,809 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-22 03:13:16,815 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:13:16" (1/1) ...
[2024-11-22 03:13:16,881 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:13:16" (1/1) ...
[2024-11-22 03:13:17,664 INFO  L138                Inliner]: procedures = 13, calls = 766, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 11195
[2024-11-22 03:13:17,665 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-22 03:13:17,666 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-22 03:13:17,666 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-22 03:13:17,666 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-22 03:13:17,674 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:13:16" (1/1) ...
[2024-11-22 03:13:17,674 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:13:16" (1/1) ...
[2024-11-22 03:13:17,793 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:13:16" (1/1) ...
[2024-11-22 03:13:17,871 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 03:13:17,872 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:13:16" (1/1) ...
[2024-11-22 03:13:17,872 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:13:16" (1/1) ...
[2024-11-22 03:13:18,174 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:13:16" (1/1) ...
[2024-11-22 03:13:18,217 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:13:16" (1/1) ...
[2024-11-22 03:13:18,253 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:13:16" (1/1) ...
[2024-11-22 03:13:18,285 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:13:16" (1/1) ...
[2024-11-22 03:13:18,458 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-22 03:13:18,463 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-22 03:13:18,463 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-22 03:13:18,463 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-22 03:13:18,464 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:13:16" (1/1) ...
[2024-11-22 03:13:18,474 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-22 03:13:18,488 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 03:13:18,504 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 03:13:18,506 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 03:13:18,541 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-22 03:13:18,542 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-22 03:13:18,542 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-22 03:13:18,542 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-22 03:13:18,542 INFO  L130     BoogieDeclarations]: Found specification of procedure assume
[2024-11-22 03:13:18,542 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume
[2024-11-22 03:13:18,967 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-22 03:13:18,969 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-22 03:13:30,667 INFO  L?                        ?]: Removed 2348 outVars from TransFormulas that were not future-live.
[2024-11-22 03:13:30,667 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-22 03:13:30,788 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-22 03:13:30,788 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-22 03:13:30,789 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:13:30 BoogieIcfgContainer
[2024-11-22 03:13:30,789 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-22 03:13:30,795 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-22 03:13:30,795 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-22 03:13:30,798 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-22 03:13:30,799 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:13:16" (1/3) ...
[2024-11-22 03:13:30,803 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d683ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:13:30, skipping insertion in model container
[2024-11-22 03:13:30,803 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:13:16" (2/3) ...
[2024-11-22 03:13:30,803 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d683ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:13:30, skipping insertion in model container
[2024-11-22 03:13:30,803 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:13:30" (3/3) ...
[2024-11-22 03:13:30,804 INFO  L112   eAbstractionObserver]: Analyzing ICFG aim-100-6-0-sat-2.c
[2024-11-22 03:13:30,836 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-22 03:13:30,836 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-22 03:13:30,969 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-22 03:13:30,977 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;@10b33ad9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-22 03:13:30,977 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-22 03:13:30,993 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 5149 states, 4387 states have (on average 1.5657624800547072) internal successors, (6869), 4388 states have internal predecessors, (6869), 759 states have call successors, (759), 1 states have call predecessors, (759), 1 states have return successors, (759), 759 states have call predecessors, (759), 759 states have call successors, (759)
[2024-11-22 03:13:31,355 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5698
[2024-11-22 03:13:31,356 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 03:13:31,359 INFO  L215           NwaCegarLoop]: trace histogram [759, 759, 759, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2024-11-22 03:13:31,360 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 03:13:31,364 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 03:13:31,365 INFO  L85        PathProgramCache]: Analyzing trace with hash 322400047, now seen corresponding path program 1 times
[2024-11-22 03:13:31,372 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 03:13:31,372 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337658618]
[2024-11-22 03:13:31,373 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 03:13:31,374 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 03:13:31,713 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 03:13:36,258 INFO  L134       CoverageAnalysis]: Checked inductivity of 1150644 backedges. 0 proven. 1516 refuted. 0 times theorem prover too weak. 1149128 trivial. 0 not checked.
[2024-11-22 03:13:36,260 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 03:13:36,260 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337658618]
[2024-11-22 03:13:36,261 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337658618] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-22 03:13:36,261 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104397178]
[2024-11-22 03:13:36,262 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 03:13:36,263 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 03:13:36,263 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 03:13:36,265 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 03:13:36,266 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 03:13:37,908 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 03:13:37,948 INFO  L255         TraceCheckSpWp]: Trace formula consists of 11336 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-22 03:13:38,031 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-22 03:13:38,291 INFO  L134       CoverageAnalysis]: Checked inductivity of 1150644 backedges. 1516 proven. 0 refuted. 0 times theorem prover too weak. 1149128 trivial. 0 not checked.
[2024-11-22 03:13:38,291 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-22 03:13:38,292 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [104397178] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 03:13:38,292 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-22 03:13:38,293 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-22 03:13:38,295 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702523429]
[2024-11-22 03:13:38,295 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 03:13:38,307 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-22 03:13:38,307 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 03:13:38,333 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-22 03:13:38,334 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-22 03:13:38,345 INFO  L87              Difference]: Start difference. First operand  has 5149 states, 4387 states have (on average 1.5657624800547072) internal successors, (6869), 4388 states have internal predecessors, (6869), 759 states have call successors, (759), 1 states have call predecessors, (759), 1 states have return successors, (759), 759 states have call predecessors, (759), 759 states have call successors, (759) Second operand  has 2 states, 2 states have (on average 953.5) internal successors, (1907), 2 states have internal predecessors, (1907), 2 states have call successors, (759), 2 states have call predecessors, (759), 1 states have return successors, (759), 1 states have call predecessors, (759), 2 states have call successors, (759)
[2024-11-22 03:13:38,547 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 03:13:38,547 INFO  L93              Difference]: Finished difference Result 10292 states and 17527 transitions.
[2024-11-22 03:13:38,548 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-22 03:13:38,551 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 953.5) internal successors, (1907), 2 states have internal predecessors, (1907), 2 states have call successors, (759), 2 states have call predecessors, (759), 1 states have return successors, (759), 1 states have call predecessors, (759), 2 states have call successors, (759) Word has length 5697
[2024-11-22 03:13:38,551 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 03:13:38,591 INFO  L225             Difference]: With dead ends: 10292
[2024-11-22 03:13:38,592 INFO  L226             Difference]: Without dead ends: 5146
[2024-11-22 03:13:38,612 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5698 GetRequests, 5698 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-22 03:13:38,616 INFO  L432           NwaCegarLoop]: 8383 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8383 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 03:13:38,617 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8383 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 03:13:38,642 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5146 states.
[2024-11-22 03:13:39,094 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5146 to 5146.
[2024-11-22 03:13:39,103 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5146 states, 4385 states have (on average 1.5655644241733182) internal successors, (6865), 4385 states have internal predecessors, (6865), 759 states have call successors, (759), 1 states have call predecessors, (759), 1 states have return successors, (759), 759 states have call predecessors, (759), 759 states have call successors, (759)
[2024-11-22 03:13:39,128 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5146 states to 5146 states and 8383 transitions.
[2024-11-22 03:13:39,144 INFO  L78                 Accepts]: Start accepts. Automaton has 5146 states and 8383 transitions. Word has length 5697
[2024-11-22 03:13:39,146 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 03:13:39,146 INFO  L471      AbstractCegarLoop]: Abstraction has 5146 states and 8383 transitions.
[2024-11-22 03:13:39,148 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 953.5) internal successors, (1907), 2 states have internal predecessors, (1907), 2 states have call successors, (759), 2 states have call predecessors, (759), 1 states have return successors, (759), 1 states have call predecessors, (759), 2 states have call successors, (759)
[2024-11-22 03:13:39,149 INFO  L276                IsEmpty]: Start isEmpty. Operand 5146 states and 8383 transitions.
[2024-11-22 03:13:39,437 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5698
[2024-11-22 03:13:39,437 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 03:13:39,440 INFO  L215           NwaCegarLoop]: trace histogram [759, 759, 759, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2024-11-22 03:13:39,459 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-22 03:13:39,641 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-11-22 03:13:39,642 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-22 03:13:39,643 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 03:13:39,645 INFO  L85        PathProgramCache]: Analyzing trace with hash 123318045, now seen corresponding path program 1 times
[2024-11-22 03:13:39,645 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 03:13:39,646 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57075215]
[2024-11-22 03:13:39,646 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 03:13:39,647 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 03:13:42,377 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 03:14:25,504 INFO  L134       CoverageAnalysis]: Checked inductivity of 1150644 backedges. 1188 proven. 16836 refuted. 0 times theorem prover too weak. 1132620 trivial. 0 not checked.
[2024-11-22 03:14:25,505 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 03:14:25,505 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57075215]
[2024-11-22 03:14:25,505 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57075215] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-22 03:14:25,505 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883154791]
[2024-11-22 03:14:25,507 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 03:14:25,507 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 03:14:25,507 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 03:14:25,509 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-22 03:14:25,511 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-22 03:14:27,093 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 03:14:27,139 INFO  L255         TraceCheckSpWp]: Trace formula consists of 11336 conjuncts, 45 conjuncts are in the unsatisfiable core
[2024-11-22 03:14:27,212 INFO  L278         TraceCheckSpWp]: Computing forward predicates...