./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/xcsp/aim-100-2-0-sat-1.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 3061b6dc
Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/xcsp/aim-100-2-0-sat-1.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 53a927591d757d68a08d1e96fefc90ed63b7256a55e2eeeed2cc1fc4c6efe68b
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m
[2024-11-18 15:25:53,034 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-18 15:25:53,091 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-18 15:25:53,098 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-18 15:25:53,100 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-18 15:25:53,127 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-18 15:25:53,129 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-18 15:25:53,129 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-18 15:25:53,130 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-18 15:25:53,131 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-18 15:25:53,131 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-18 15:25:53,146 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-18 15:25:53,147 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-18 15:25:53,149 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-18 15:25:53,149 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-18 15:25:53,149 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-18 15:25:53,150 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-18 15:25:53,150 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-18 15:25:53,150 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-18 15:25:53,150 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-18 15:25:53,150 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-18 15:25:53,154 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-18 15:25:53,154 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-18 15:25:53,155 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-18 15:25:53,155 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-18 15:25:53,155 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-18 15:25:53,155 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-18 15:25:53,155 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-18 15:25:53,156 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-18 15:25:53,156 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-18 15:25:53,156 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-18 15:25:53,156 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-18 15:25:53,156 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-18 15:25:53,156 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-18 15:25:53,157 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-18 15:25:53,157 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-18 15:25:53,157 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-18 15:25:53,157 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-18 15:25:53,157 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-18 15:25:53,157 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-18 15:25:53,157 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-18 15:25:53,158 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-18 15:25:53,158 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 -> 53a927591d757d68a08d1e96fefc90ed63b7256a55e2eeeed2cc1fc4c6efe68b
[2024-11-18 15:25:53,455 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-18 15:25:53,516 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-18 15:25:53,518 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-18 15:25:53,519 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-18 15:25:53,520 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-18 15:25:53,521 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/aim-100-2-0-sat-1.c
[2024-11-18 15:25:55,247 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-18 15:25:55,568 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-18 15:25:55,569 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/aim-100-2-0-sat-1.c
[2024-11-18 15:25:55,583 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df80746fb/4e884880d87b4ad1b2177966650004d8/FLAG563bbf812
[2024-11-18 15:25:55,605 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df80746fb/4e884880d87b4ad1b2177966650004d8
[2024-11-18 15:25:55,608 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-18 15:25:55,609 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-18 15:25:55,610 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-18 15:25:55,610 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-18 15:25:55,615 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-18 15:25:55,615 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:25:55" (1/1) ...
[2024-11-18 15:25:55,616 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fb7c3b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:55, skipping insertion in model container
[2024-11-18 15:25:55,616 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:25:55" (1/1) ...
[2024-11-18 15:25:55,678 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-18 15:25:56,230 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-100-2-0-sat-1.c[21205,21218]
[2024-11-18 15:25:56,282 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-18 15:25:56,302 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-18 15:25:56,451 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-100-2-0-sat-1.c[21205,21218]
[2024-11-18 15:25:56,479 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-18 15:25:56,510 INFO  L204         MainTranslator]: Completed translation
[2024-11-18 15:25:56,510 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:56 WrapperNode
[2024-11-18 15:25:56,511 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-18 15:25:56,511 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-18 15:25:56,512 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-18 15:25:56,512 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-18 15:25:56,517 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:56" (1/1) ...
[2024-11-18 15:25:56,559 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:56" (1/1) ...
[2024-11-18 15:25:56,699 INFO  L138                Inliner]: procedures = 13, calls = 401, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 4102
[2024-11-18 15:25:56,700 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-18 15:25:56,700 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-18 15:25:56,704 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-18 15:25:56,704 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-18 15:25:56,720 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:56" (1/1) ...
[2024-11-18 15:25:56,726 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:56" (1/1) ...
[2024-11-18 15:25:56,786 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:56" (1/1) ...
[2024-11-18 15:25:56,964 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].
[2024-11-18 15:25:56,964 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:56" (1/1) ...
[2024-11-18 15:25:56,964 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:56" (1/1) ...
[2024-11-18 15:25:57,132 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:56" (1/1) ...
[2024-11-18 15:25:57,168 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:56" (1/1) ...
[2024-11-18 15:25:57,187 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:56" (1/1) ...
[2024-11-18 15:25:57,204 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:56" (1/1) ...
[2024-11-18 15:25:57,232 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-18 15:25:57,234 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-18 15:25:57,234 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-18 15:25:57,235 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-18 15:25:57,235 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:56" (1/1) ...
[2024-11-18 15:25:57,240 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-18 15:25:57,250 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 15:25:57,269 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)
[2024-11-18 15:25:57,272 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
[2024-11-18 15:25:57,310 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-18 15:25:57,310 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-18 15:25:57,311 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-18 15:25:57,311 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-18 15:25:57,311 INFO  L130     BoogieDeclarations]: Found specification of procedure assume
[2024-11-18 15:25:57,311 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume
[2024-11-18 15:25:57,519 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-18 15:25:57,524 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-18 15:26:03,736 INFO  L?                        ?]: Removed 920 outVars from TransFormulas that were not future-live.
[2024-11-18 15:26:03,736 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-18 15:26:03,797 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-18 15:26:03,797 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-18 15:26:03,797 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:26:03 BoogieIcfgContainer
[2024-11-18 15:26:03,798 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-18 15:26:03,800 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-18 15:26:03,800 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-18 15:26:03,816 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-18 15:26:03,817 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:25:55" (1/3) ...
[2024-11-18 15:26:03,817 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@358ae7d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:26:03, skipping insertion in model container
[2024-11-18 15:26:03,822 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:25:56" (2/3) ...
[2024-11-18 15:26:03,823 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@358ae7d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:26:03, skipping insertion in model container
[2024-11-18 15:26:03,823 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:26:03" (3/3) ...
[2024-11-18 15:26:03,827 INFO  L112   eAbstractionObserver]: Analyzing ICFG aim-100-2-0-sat-1.c
[2024-11-18 15:26:03,864 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-18 15:26:03,865 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-18 15:26:03,977 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-18 15:26:03,983 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;@29a40bca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-18 15:26:03,983 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-18 15:26:03,994 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 1896 states, 1499 states have (on average 1.533689126084056) internal successors, (2299), 1500 states have internal predecessors, (2299), 394 states have call successors, (394), 1 states have call predecessors, (394), 1 states have return successors, (394), 394 states have call predecessors, (394), 394 states have call successors, (394)
[2024-11-18 15:26:04,246 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2667
[2024-11-18 15:26:04,246 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 15:26:04,252 INFO  L215           NwaCegarLoop]: trace histogram [394, 394, 394, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 15:26:04,253 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 15:26:04,270 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 15:26:04,271 INFO  L85        PathProgramCache]: Analyzing trace with hash 125256303, now seen corresponding path program 1 times
[2024-11-18 15:26:04,285 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 15:26:04,285 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304008193]
[2024-11-18 15:26:04,286 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 15:26:04,289 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 15:26:05,972 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 15:26:22,001 INFO  L134       CoverageAnalysis]: Checked inductivity of 309684 backedges. 1590 proven. 6537 refuted. 0 times theorem prover too weak. 301557 trivial. 0 not checked.
[2024-11-18 15:26:22,002 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 15:26:22,003 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304008193]
[2024-11-18 15:26:22,004 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304008193] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-18 15:26:22,004 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357366401]
[2024-11-18 15:26:22,005 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 15:26:22,005 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-18 15:26:22,005 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 15:26:22,008 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)
[2024-11-18 15:26:22,012 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-18 15:26:22,820 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 15:26:22,840 INFO  L255         TraceCheckSpWp]: Trace formula consists of 5163 conjuncts, 34 conjuncts are in the unsatisfiable core
[2024-11-18 15:26:22,919 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-18 15:26:31,467 INFO  L134       CoverageAnalysis]: Checked inductivity of 309684 backedges. 67932 proven. 4620 refuted. 0 times theorem prover too weak. 237132 trivial. 0 not checked.
[2024-11-18 15:26:31,468 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-18 15:26:42,961 INFO  L134       CoverageAnalysis]: Checked inductivity of 309684 backedges. 1500 proven. 5484 refuted. 0 times theorem prover too weak. 302700 trivial. 0 not checked.
[2024-11-18 15:26:42,962 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [357366401] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-18 15:26:42,962 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-18 15:26:42,963 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 29
[2024-11-18 15:26:42,966 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541523261]
[2024-11-18 15:26:42,967 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-18 15:26:42,982 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 29 states
[2024-11-18 15:26:42,982 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 15:26:43,018 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants.
[2024-11-18 15:26:43,020 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=684, Unknown=0, NotChecked=0, Total=812
[2024-11-18 15:26:43,027 INFO  L87              Difference]: Start difference. First operand  has 1896 states, 1499 states have (on average 1.533689126084056) internal successors, (2299), 1500 states have internal predecessors, (2299), 394 states have call successors, (394), 1 states have call predecessors, (394), 1 states have return successors, (394), 394 states have call predecessors, (394), 394 states have call successors, (394) Second operand  has 29 states, 20 states have (on average 88.9) internal successors, (1778), 21 states have internal predecessors, (1778), 26 states have call successors, (1010), 2 states have call predecessors, (1010), 3 states have return successors, (1013), 25 states have call predecessors, (1013), 26 states have call successors, (1013)
[2024-11-18 15:26:57,642 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 15:26:57,643 INFO  L93              Difference]: Finished difference Result 12526 states and 21887 transitions.
[2024-11-18 15:26:57,644 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2024-11-18 15:26:57,647 INFO  L78                 Accepts]: Start accepts. Automaton has  has 29 states, 20 states have (on average 88.9) internal successors, (1778), 21 states have internal predecessors, (1778), 26 states have call successors, (1010), 2 states have call predecessors, (1010), 3 states have return successors, (1013), 25 states have call predecessors, (1013), 26 states have call successors, (1013) Word has length 2666
[2024-11-18 15:26:57,661 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 15:26:57,722 INFO  L225             Difference]: With dead ends: 12526
[2024-11-18 15:26:57,723 INFO  L226             Difference]: Without dead ends: 10633
[2024-11-18 15:26:57,741 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5399 GetRequests, 5331 SyntacticMatches, 7 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 883 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1065, Invalid=2841, Unknown=0, NotChecked=0, Total=3906
[2024-11-18 15:26:57,744 INFO  L432           NwaCegarLoop]: 6098 mSDtfsCounter, 56296 mSDsluCounter, 51221 mSDsCounter, 0 mSdLazyCounter, 11762 mSolverCounterSat, 4485 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56308 SdHoareTripleChecker+Valid, 57319 SdHoareTripleChecker+Invalid, 16247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4485 IncrementalHoareTripleChecker+Valid, 11762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time
[2024-11-18 15:26:57,745 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [56308 Valid, 57319 Invalid, 16247 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4485 Valid, 11762 Invalid, 0 Unknown, 0 Unchecked, 12.1s Time]
[2024-11-18 15:26:57,770 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10633 states.
[2024-11-18 15:26:58,327 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10633 to 7308.
[2024-11-18 15:26:58,338 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7308 states, 6240 states have (on average 1.5618589743589744) internal successors, (9746), 6240 states have internal predecessors, (9746), 1066 states have call successors, (1066), 1 states have call predecessors, (1066), 1 states have return successors, (1066), 1066 states have call predecessors, (1066), 1066 states have call successors, (1066)
[2024-11-18 15:26:58,359 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7308 states to 7308 states and 11878 transitions.
[2024-11-18 15:26:58,366 INFO  L78                 Accepts]: Start accepts. Automaton has 7308 states and 11878 transitions. Word has length 2666
[2024-11-18 15:26:58,371 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 15:26:58,371 INFO  L471      AbstractCegarLoop]: Abstraction has 7308 states and 11878 transitions.
[2024-11-18 15:26:58,373 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 29 states, 20 states have (on average 88.9) internal successors, (1778), 21 states have internal predecessors, (1778), 26 states have call successors, (1010), 2 states have call predecessors, (1010), 3 states have return successors, (1013), 25 states have call predecessors, (1013), 26 states have call successors, (1013)
[2024-11-18 15:26:58,373 INFO  L276                IsEmpty]: Start isEmpty. Operand 7308 states and 11878 transitions.
[2024-11-18 15:26:58,665 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2669
[2024-11-18 15:26:58,665 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 15:26:58,666 INFO  L215           NwaCegarLoop]: trace histogram [394, 394, 394, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 15:26:58,689 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-18 15:26:58,870 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
[2024-11-18 15:26:58,871 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 15:26:58,872 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 15:26:58,873 INFO  L85        PathProgramCache]: Analyzing trace with hash -1211649441, now seen corresponding path program 1 times
[2024-11-18 15:26:58,873 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 15:26:58,873 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8797512]
[2024-11-18 15:26:58,873 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 15:26:58,873 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 15:26:59,046 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 15:27:00,522 INFO  L134       CoverageAnalysis]: Checked inductivity of 309684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 309684 trivial. 0 not checked.
[2024-11-18 15:27:00,524 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 15:27:00,525 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8797512]
[2024-11-18 15:27:00,525 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8797512] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 15:27:00,525 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 15:27:00,526 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-18 15:27:00,526 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102904463]
[2024-11-18 15:27:00,526 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 15:27:00,531 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-18 15:27:00,532 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 15:27:00,534 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-18 15:27:00,534 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-18 15:27:00,535 INFO  L87              Difference]: Start difference. First operand 7308 states and 11878 transitions. Second operand  has 4 states, 4 states have (on average 175.25) internal successors, (701), 4 states have internal predecessors, (701), 4 states have call successors, (394), 1 states have call predecessors, (394), 1 states have return successors, (394), 4 states have call predecessors, (394), 4 states have call successors, (394)
[2024-11-18 15:27:01,263 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 15:27:01,264 INFO  L93              Difference]: Finished difference Result 15708 states and 25523 transitions.
[2024-11-18 15:27:01,265 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 15:27:01,266 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 175.25) internal successors, (701), 4 states have internal predecessors, (701), 4 states have call successors, (394), 1 states have call predecessors, (394), 1 states have return successors, (394), 4 states have call predecessors, (394), 4 states have call successors, (394) Word has length 2668
[2024-11-18 15:27:01,268 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 15:27:01,330 INFO  L225             Difference]: With dead ends: 15708
[2024-11-18 15:27:01,334 INFO  L226             Difference]: Without dead ends: 12781
[2024-11-18 15:27:01,360 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-18 15:27:01,361 INFO  L432           NwaCegarLoop]: 4285 mSDtfsCounter, 1956 mSDsluCounter, 6741 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2108 SdHoareTripleChecker+Valid, 11026 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-18 15:27:01,361 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2108 Valid, 11026 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-18 15:27:01,386 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12781 states.
[2024-11-18 15:27:02,294 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12781 to 12641.
[2024-11-18 15:27:02,320 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 12641 states, 10894 states have (on average 1.563337617036901) internal successors, (17031), 10894 states have internal predecessors, (17031), 1745 states have call successors, (1745), 1 states have call predecessors, (1745), 1 states have return successors, (1745), 1745 states have call predecessors, (1745), 1745 states have call successors, (1745)
[2024-11-18 15:27:02,347 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 12641 states to 12641 states and 20521 transitions.
[2024-11-18 15:27:02,354 INFO  L78                 Accepts]: Start accepts. Automaton has 12641 states and 20521 transitions. Word has length 2668
[2024-11-18 15:27:02,357 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 15:27:02,357 INFO  L471      AbstractCegarLoop]: Abstraction has 12641 states and 20521 transitions.
[2024-11-18 15:27:02,358 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 175.25) internal successors, (701), 4 states have internal predecessors, (701), 4 states have call successors, (394), 1 states have call predecessors, (394), 1 states have return successors, (394), 4 states have call predecessors, (394), 4 states have call successors, (394)
[2024-11-18 15:27:02,359 INFO  L276                IsEmpty]: Start isEmpty. Operand 12641 states and 20521 transitions.
[2024-11-18 15:27:02,414 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2669
[2024-11-18 15:27:02,414 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 15:27:02,415 INFO  L215           NwaCegarLoop]: trace histogram [394, 394, 394, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-18 15:27:02,415 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-18 15:27:02,415 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 15:27:02,417 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 15:27:02,418 INFO  L85        PathProgramCache]: Analyzing trace with hash 2079516923, now seen corresponding path program 1 times
[2024-11-18 15:27:02,418 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 15:27:02,419 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838033640]
[2024-11-18 15:27:02,419 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 15:27:02,420 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 15:27:03,192 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 15:27:07,640 INFO  L134       CoverageAnalysis]: Checked inductivity of 309684 backedges. 84 proven. 2268 refuted. 0 times theorem prover too weak. 307332 trivial. 0 not checked.
[2024-11-18 15:27:07,640 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 15:27:07,643 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838033640]
[2024-11-18 15:27:07,643 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838033640] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-18 15:27:07,645 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573036814]
[2024-11-18 15:27:07,646 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 15:27:07,647 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-18 15:27:07,647 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 15:27:07,648 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)
[2024-11-18 15:27:07,657 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-18 15:27:08,374 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 15:27:08,392 INFO  L255         TraceCheckSpWp]: Trace formula consists of 5169 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-11-18 15:27:08,422 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-18 15:27:10,259 INFO  L134       CoverageAnalysis]: Checked inductivity of 309684 backedges. 16936 proven. 2202 refuted. 0 times theorem prover too weak. 290546 trivial. 0 not checked.
[2024-11-18 15:27:10,260 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-18 15:27:13,081 INFO  L134       CoverageAnalysis]: Checked inductivity of 309684 backedges. 84 proven. 2268 refuted. 0 times theorem prover too weak. 307332 trivial. 0 not checked.
[2024-11-18 15:27:13,082 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [573036814] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-18 15:27:13,082 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-18 15:27:13,083 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 11
[2024-11-18 15:27:13,086 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226679217]
[2024-11-18 15:27:13,086 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-18 15:27:13,089 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-18 15:27:13,090 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 15:27:13,091 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-18 15:27:13,095 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110
[2024-11-18 15:27:13,096 INFO  L87              Difference]: Start difference. First operand 12641 states and 20521 transitions. Second operand  has 11 states, 10 states have (on average 79.5) internal successors, (795), 10 states have internal predecessors, (795), 8 states have call successors, (433), 2 states have call predecessors, (433), 3 states have return successors, (433), 8 states have call predecessors, (433), 8 states have call successors, (433)
[2024-11-18 15:27:17,182 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 15:27:17,182 INFO  L93              Difference]: Finished difference Result 37041 states and 60110 transitions.
[2024-11-18 15:27:17,183 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-11-18 15:27:17,183 INFO  L78                 Accepts]: Start accepts. Automaton has  has 11 states, 10 states have (on average 79.5) internal successors, (795), 10 states have internal predecessors, (795), 8 states have call successors, (433), 2 states have call predecessors, (433), 3 states have return successors, (433), 8 states have call predecessors, (433), 8 states have call successors, (433) Word has length 2668
[2024-11-18 15:27:17,186 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 15:27:17,266 INFO  L225             Difference]: With dead ends: 37041
[2024-11-18 15:27:17,266 INFO  L226             Difference]: Without dead ends: 24480
[2024-11-18 15:27:17,288 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5352 GetRequests, 5334 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240
[2024-11-18 15:27:17,290 INFO  L432           NwaCegarLoop]: 4481 mSDtfsCounter, 11420 mSDsluCounter, 16607 mSDsCounter, 0 mSdLazyCounter, 3878 mSolverCounterSat, 571 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11572 SdHoareTripleChecker+Valid, 21088 SdHoareTripleChecker+Invalid, 4449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 571 IncrementalHoareTripleChecker+Valid, 3878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time
[2024-11-18 15:27:17,291 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [11572 Valid, 21088 Invalid, 4449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [571 Valid, 3878 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time]
[2024-11-18 15:27:17,311 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 24480 states.
[2024-11-18 15:27:18,527 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 24480 to 20908.
[2024-11-18 15:27:18,556 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 20908 states, 18106 states have (on average 1.5644537722301999) internal successors, (28326), 18106 states have internal predecessors, (28326), 2800 states have call successors, (2800), 1 states have call predecessors, (2800), 1 states have return successors, (2800), 2800 states have call predecessors, (2800), 2800 states have call successors, (2800)
[2024-11-18 15:27:18,591 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20908 states to 20908 states and 33926 transitions.
[2024-11-18 15:27:18,605 INFO  L78                 Accepts]: Start accepts. Automaton has 20908 states and 33926 transitions. Word has length 2668
[2024-11-18 15:27:18,608 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 15:27:18,608 INFO  L471      AbstractCegarLoop]: Abstraction has 20908 states and 33926 transitions.
[2024-11-18 15:27:18,608 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 10 states have (on average 79.5) internal successors, (795), 10 states have internal predecessors, (795), 8 states have call successors, (433), 2 states have call predecessors, (433), 3 states have return successors, (433), 8 states have call predecessors, (433), 8 states have call successors, (433)
[2024-11-18 15:27:18,609 INFO  L276                IsEmpty]: Start isEmpty. Operand 20908 states and 33926 transitions.