./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label03.c --full-output --preprocessor.use.memory.slicer false --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 6ae2ee47
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 ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label03.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 9a49aea6b3c1edfc7fe3f8f7bab6422e16330d8432eb730cabe992a1ced0cbc2 --preprocessor.use.memory.slicer false
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-6ae2ee4-m
[2023-11-22 23:52:06,089 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-22 23:52:06,152 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-22 23:52:06,156 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-22 23:52:06,157 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-22 23:52:06,178 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-22 23:52:06,179 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-22 23:52:06,179 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-22 23:52:06,179 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-22 23:52:06,183 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-11-22 23:52:06,183 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-22 23:52:06,183 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-22 23:52:06,184 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-22 23:52:06,185 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-22 23:52:06,185 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-22 23:52:06,185 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-22 23:52:06,186 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-22 23:52:06,186 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-22 23:52:06,186 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-22 23:52:06,187 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-22 23:52:06,187 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-22 23:52:06,188 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-22 23:52:06,188 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-22 23:52:06,188 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-22 23:52:06,188 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-22 23:52:06,189 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-22 23:52:06,189 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-22 23:52:06,189 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-22 23:52:06,190 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-22 23:52:06,190 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-11-22 23:52:06,191 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-22 23:52:06,191 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-22 23:52:06,191 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-22 23:52:06,191 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-22 23:52:06,191 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-22 23:52:06,192 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-22 23:52:06,192 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-22 23:52:06,192 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-22 23:52:06,192 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-22 23:52:06,192 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-22 23:52:06,193 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-22 23:52:06,193 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-22 23:52:06,193 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 -> 9a49aea6b3c1edfc7fe3f8f7bab6422e16330d8432eb730cabe992a1ced0cbc2
Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false
[2023-11-22 23:52:06,450 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-22 23:52:06,477 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-22 23:52:06,479 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-22 23:52:06,481 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-22 23:52:06,481 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-22 23:52:06,482 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label03.c
[2023-11-22 23:52:07,582 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-22 23:52:07,819 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-22 23:52:07,820 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label03.c
[2023-11-22 23:52:07,828 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17a489352/7b0e751caad849918ab4fb7b2b5cf4ed/FLAG1e83a6ddd
[2023-11-22 23:52:07,845 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17a489352/7b0e751caad849918ab4fb7b2b5cf4ed
[2023-11-22 23:52:07,847 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-22 23:52:07,848 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-22 23:52:07,849 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-22 23:52:07,849 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-22 23:52:07,852 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-22 23:52:07,853 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:52:07" (1/1) ...
[2023-11-22 23:52:07,854 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16447a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:52:07, skipping insertion in model container
[2023-11-22 23:52:07,854 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:52:07" (1/1) ...
[2023-11-22 23:52:07,888 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-22 23:52:08,077 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label03.c[21586,21599]
[2023-11-22 23:52:08,090 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-22 23:52:08,098 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-22 23:52:08,178 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label03.c[21586,21599]
[2023-11-22 23:52:08,182 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-22 23:52:08,193 INFO  L206         MainTranslator]: Completed translation
[2023-11-22 23:52:08,194 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:52:08 WrapperNode
[2023-11-22 23:52:08,194 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-22 23:52:08,195 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-22 23:52:08,195 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-22 23:52:08,195 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-22 23:52:08,200 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:52:08" (1/1) ...
[2023-11-22 23:52:08,212 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:52:08" (1/1) ...
[2023-11-22 23:52:08,291 INFO  L138                Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 658
[2023-11-22 23:52:08,291 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-22 23:52:08,292 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-22 23:52:08,292 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-22 23:52:08,292 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-22 23:52:08,299 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:52:08" (1/1) ...
[2023-11-22 23:52:08,299 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:52:08" (1/1) ...
[2023-11-22 23:52:08,302 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:52:08" (1/1) ...
[2023-11-22 23:52:08,303 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:52:08" (1/1) ...
[2023-11-22 23:52:08,316 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:52:08" (1/1) ...
[2023-11-22 23:52:08,320 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:52:08" (1/1) ...
[2023-11-22 23:52:08,325 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:52:08" (1/1) ...
[2023-11-22 23:52:08,329 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:52:08" (1/1) ...
[2023-11-22 23:52:08,349 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-22 23:52:08,350 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-22 23:52:08,350 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-22 23:52:08,350 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-22 23:52:08,351 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:52:08" (1/1) ...
[2023-11-22 23:52:08,355 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-22 23:52:08,365 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-11-22 23:52:08,417 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-22 23:52:08,448 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-22 23:52:08,473 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-22 23:52:08,473 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-22 23:52:08,473 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-22 23:52:08,473 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-22 23:52:08,545 INFO  L241             CfgBuilder]: Building ICFG
[2023-11-22 23:52:08,547 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-22 23:52:09,325 INFO  L282             CfgBuilder]: Performing block encoding
[2023-11-22 23:52:09,372 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-22 23:52:09,372 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-22 23:52:09,373 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:52:09 BoogieIcfgContainer
[2023-11-22 23:52:09,374 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-22 23:52:09,376 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-22 23:52:09,377 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-22 23:52:09,379 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-22 23:52:09,379 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:52:07" (1/3) ...
[2023-11-22 23:52:09,380 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@125f83d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:52:09, skipping insertion in model container
[2023-11-22 23:52:09,380 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:52:08" (2/3) ...
[2023-11-22 23:52:09,381 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@125f83d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:52:09, skipping insertion in model container
[2023-11-22 23:52:09,381 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:52:09" (3/3) ...
[2023-11-22 23:52:09,383 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem01_label03.c
[2023-11-22 23:52:09,396 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-22 23:52:09,396 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-22 23:52:09,440 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-22 23:52:09,445 INFO  L357      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, mHoare=true, 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;@75bc50b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-22 23:52:09,446 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-22 23:52:09,449 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 136 states, 134 states have (on average 1.9776119402985075) internal successors, (265), 135 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:09,458 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 129
[2023-11-22 23:52:09,458 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-22 23:52:09,459 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-22 23:52:09,459 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-22 23:52:09,463 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-22 23:52:09,463 INFO  L85        PathProgramCache]: Analyzing trace with hash -75821754, now seen corresponding path program 1 times
[2023-11-22 23:52:09,470 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-22 23:52:09,470 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573850811]
[2023-11-22 23:52:09,471 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-22 23:52:09,471 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-22 23:52:09,653 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-22 23:52:09,819 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-22 23:52:09,820 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-22 23:52:09,820 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573850811]
[2023-11-22 23:52:09,821 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573850811] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-22 23:52:09,821 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-22 23:52:09,821 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-22 23:52:09,822 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408363087]
[2023-11-22 23:52:09,822 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-22 23:52:09,827 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-22 23:52:09,827 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-22 23:52:09,857 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-22 23:52:09,857 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-22 23:52:09,859 INFO  L87              Difference]: Start difference. First operand  has 136 states, 134 states have (on average 1.9776119402985075) internal successors, (265), 135 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 2 states, 2 states have (on average 64.0) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:09,897 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-22 23:52:09,898 INFO  L93              Difference]: Finished difference Result 271 states and 529 transitions.
[2023-11-22 23:52:09,900 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-22 23:52:09,901 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 64.0) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128
[2023-11-22 23:52:09,901 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-22 23:52:09,938 INFO  L225             Difference]: With dead ends: 271
[2023-11-22 23:52:09,938 INFO  L226             Difference]: Without dead ends: 134
[2023-11-22 23:52:09,941 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-22 23:52:09,947 INFO  L413           NwaCegarLoop]: 200 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-22 23:52:09,948 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 200 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-22 23:52:09,963 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 134 states.
[2023-11-22 23:52:09,985 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134.
[2023-11-22 23:52:09,987 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 134 states, 133 states have (on average 1.5037593984962405) internal successors, (200), 133 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:09,988 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 200 transitions.
[2023-11-22 23:52:09,989 INFO  L78                 Accepts]: Start accepts. Automaton has 134 states and 200 transitions. Word has length 128
[2023-11-22 23:52:09,990 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-22 23:52:09,991 INFO  L495      AbstractCegarLoop]: Abstraction has 134 states and 200 transitions.
[2023-11-22 23:52:09,991 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 64.0) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:09,991 INFO  L276                IsEmpty]: Start isEmpty. Operand 134 states and 200 transitions.
[2023-11-22 23:52:09,999 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 129
[2023-11-22 23:52:10,000 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-22 23:52:10,000 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-22 23:52:10,001 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-22 23:52:10,001 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-22 23:52:10,002 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-22 23:52:10,002 INFO  L85        PathProgramCache]: Analyzing trace with hash -670606986, now seen corresponding path program 1 times
[2023-11-22 23:52:10,003 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-22 23:52:10,003 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514521450]
[2023-11-22 23:52:10,003 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-22 23:52:10,003 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-22 23:52:10,072 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-22 23:52:10,205 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-22 23:52:10,205 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-22 23:52:10,206 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514521450]
[2023-11-22 23:52:10,206 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514521450] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-22 23:52:10,206 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-22 23:52:10,206 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-22 23:52:10,206 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099051519]
[2023-11-22 23:52:10,206 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-22 23:52:10,207 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-22 23:52:10,208 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-22 23:52:10,208 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-22 23:52:10,208 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-22 23:52:10,209 INFO  L87              Difference]: Start difference. First operand 134 states and 200 transitions. Second operand  has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:10,575 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-22 23:52:10,576 INFO  L93              Difference]: Finished difference Result 398 states and 597 transitions.
[2023-11-22 23:52:10,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-22 23:52:10,576 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128
[2023-11-22 23:52:10,578 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-22 23:52:10,582 INFO  L225             Difference]: With dead ends: 398
[2023-11-22 23:52:10,582 INFO  L226             Difference]: Without dead ends: 265
[2023-11-22 23:52:10,587 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-22 23:52:10,590 INFO  L413           NwaCegarLoop]: 24 mSDtfsCounter, 22 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2023-11-22 23:52:10,590 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 29 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2023-11-22 23:52:10,593 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 265 states.
[2023-11-22 23:52:10,608 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265.
[2023-11-22 23:52:10,612 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 265 states, 264 states have (on average 1.4356060606060606) internal successors, (379), 264 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:10,613 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 379 transitions.
[2023-11-22 23:52:10,613 INFO  L78                 Accepts]: Start accepts. Automaton has 265 states and 379 transitions. Word has length 128
[2023-11-22 23:52:10,615 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-22 23:52:10,615 INFO  L495      AbstractCegarLoop]: Abstraction has 265 states and 379 transitions.
[2023-11-22 23:52:10,615 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:10,615 INFO  L276                IsEmpty]: Start isEmpty. Operand 265 states and 379 transitions.
[2023-11-22 23:52:10,618 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 134
[2023-11-22 23:52:10,618 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-22 23:52:10,618 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-22 23:52:10,619 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-22 23:52:10,619 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-22 23:52:10,626 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-22 23:52:10,627 INFO  L85        PathProgramCache]: Analyzing trace with hash 1825935966, now seen corresponding path program 1 times
[2023-11-22 23:52:10,627 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-22 23:52:10,627 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131234741]
[2023-11-22 23:52:10,627 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-22 23:52:10,628 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-22 23:52:10,660 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-22 23:52:10,859 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-22 23:52:10,859 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-22 23:52:10,859 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131234741]
[2023-11-22 23:52:10,859 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131234741] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-22 23:52:10,859 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-22 23:52:10,859 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-22 23:52:10,859 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964119193]
[2023-11-22 23:52:10,859 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-22 23:52:10,860 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-22 23:52:10,860 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-22 23:52:10,862 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-22 23:52:10,862 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-22 23:52:10,862 INFO  L87              Difference]: Start difference. First operand 265 states and 379 transitions. Second operand  has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:11,223 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-22 23:52:11,224 INFO  L93              Difference]: Finished difference Result 791 states and 1134 transitions.
[2023-11-22 23:52:11,224 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-22 23:52:11,224 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133
[2023-11-22 23:52:11,224 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-22 23:52:11,226 INFO  L225             Difference]: With dead ends: 791
[2023-11-22 23:52:11,226 INFO  L226             Difference]: Without dead ends: 527
[2023-11-22 23:52:11,229 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-22 23:52:11,232 INFO  L413           NwaCegarLoop]: 23 mSDtfsCounter, 172 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2023-11-22 23:52:11,233 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 27 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2023-11-22 23:52:11,235 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 527 states.
[2023-11-22 23:52:11,251 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 527.
[2023-11-22 23:52:11,252 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 527 states, 526 states have (on average 1.3688212927756653) internal successors, (720), 526 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:11,256 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 720 transitions.
[2023-11-22 23:52:11,256 INFO  L78                 Accepts]: Start accepts. Automaton has 527 states and 720 transitions. Word has length 133
[2023-11-22 23:52:11,257 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-22 23:52:11,257 INFO  L495      AbstractCegarLoop]: Abstraction has 527 states and 720 transitions.
[2023-11-22 23:52:11,257 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:11,257 INFO  L276                IsEmpty]: Start isEmpty. Operand 527 states and 720 transitions.
[2023-11-22 23:52:11,258 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 138
[2023-11-22 23:52:11,258 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-22 23:52:11,267 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-22 23:52:11,267 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-22 23:52:11,267 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-22 23:52:11,268 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-22 23:52:11,268 INFO  L85        PathProgramCache]: Analyzing trace with hash -1565173848, now seen corresponding path program 1 times
[2023-11-22 23:52:11,268 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-22 23:52:11,268 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506533244]
[2023-11-22 23:52:11,268 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-22 23:52:11,268 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-22 23:52:11,295 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-22 23:52:11,354 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-22 23:52:11,354 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-22 23:52:11,354 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506533244]
[2023-11-22 23:52:11,354 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506533244] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-22 23:52:11,354 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-22 23:52:11,354 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-22 23:52:11,355 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606835059]
[2023-11-22 23:52:11,355 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-22 23:52:11,355 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-22 23:52:11,355 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-22 23:52:11,355 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-22 23:52:11,356 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-22 23:52:11,356 INFO  L87              Difference]: Start difference. First operand 527 states and 720 transitions. Second operand  has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:11,704 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-22 23:52:11,705 INFO  L93              Difference]: Finished difference Result 1446 states and 1978 transitions.
[2023-11-22 23:52:11,705 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-22 23:52:11,705 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 137
[2023-11-22 23:52:11,705 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-22 23:52:11,708 INFO  L225             Difference]: With dead ends: 1446
[2023-11-22 23:52:11,708 INFO  L226             Difference]: Without dead ends: 920
[2023-11-22 23:52:11,709 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-22 23:52:11,714 INFO  L413           NwaCegarLoop]: 11 mSDtfsCounter, 142 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2023-11-22 23:52:11,715 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 15 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2023-11-22 23:52:11,718 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 920 states.
[2023-11-22 23:52:11,739 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 920.
[2023-11-22 23:52:11,740 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 920 states, 919 states have (on average 1.3438520130576714) internal successors, (1235), 919 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:11,742 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1235 transitions.
[2023-11-22 23:52:11,742 INFO  L78                 Accepts]: Start accepts. Automaton has 920 states and 1235 transitions. Word has length 137
[2023-11-22 23:52:11,742 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-22 23:52:11,742 INFO  L495      AbstractCegarLoop]: Abstraction has 920 states and 1235 transitions.
[2023-11-22 23:52:11,743 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 2 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:11,743 INFO  L276                IsEmpty]: Start isEmpty. Operand 920 states and 1235 transitions.
[2023-11-22 23:52:11,744 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 142
[2023-11-22 23:52:11,744 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-22 23:52:11,745 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-22 23:52:11,745 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-22 23:52:11,745 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-22 23:52:11,745 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-22 23:52:11,746 INFO  L85        PathProgramCache]: Analyzing trace with hash 1911999730, now seen corresponding path program 1 times
[2023-11-22 23:52:11,746 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-22 23:52:11,746 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918506251]
[2023-11-22 23:52:11,746 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-22 23:52:11,746 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-22 23:52:11,777 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-22 23:52:11,902 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-22 23:52:11,902 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-22 23:52:11,902 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918506251]
[2023-11-22 23:52:11,903 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918506251] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-22 23:52:11,903 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-22 23:52:11,903 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-22 23:52:11,903 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006936630]
[2023-11-22 23:52:11,903 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-22 23:52:11,904 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-22 23:52:11,904 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-22 23:52:11,906 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-22 23:52:11,906 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-22 23:52:11,906 INFO  L87              Difference]: Start difference. First operand 920 states and 1235 transitions. Second operand  has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:12,149 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-22 23:52:12,149 INFO  L93              Difference]: Finished difference Result 1839 states and 2469 transitions.
[2023-11-22 23:52:12,149 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-22 23:52:12,150 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141
[2023-11-22 23:52:12,150 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-22 23:52:12,152 INFO  L225             Difference]: With dead ends: 1839
[2023-11-22 23:52:12,152 INFO  L226             Difference]: Without dead ends: 920
[2023-11-22 23:52:12,153 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-22 23:52:12,154 INFO  L413           NwaCegarLoop]: 54 mSDtfsCounter, 129 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-22 23:52:12,154 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 59 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-22 23:52:12,155 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 920 states.
[2023-11-22 23:52:12,164 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 920.
[2023-11-22 23:52:12,166 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 920 states, 919 states have (on average 1.3307943416757344) internal successors, (1223), 919 states have internal predecessors, (1223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:12,167 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1223 transitions.
[2023-11-22 23:52:12,168 INFO  L78                 Accepts]: Start accepts. Automaton has 920 states and 1223 transitions. Word has length 141
[2023-11-22 23:52:12,168 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-22 23:52:12,168 INFO  L495      AbstractCegarLoop]: Abstraction has 920 states and 1223 transitions.
[2023-11-22 23:52:12,168 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:12,168 INFO  L276                IsEmpty]: Start isEmpty. Operand 920 states and 1223 transitions.
[2023-11-22 23:52:12,170 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 144
[2023-11-22 23:52:12,170 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-22 23:52:12,170 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-22 23:52:12,170 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-22 23:52:12,170 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-22 23:52:12,171 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-22 23:52:12,171 INFO  L85        PathProgramCache]: Analyzing trace with hash -1589073513, now seen corresponding path program 1 times
[2023-11-22 23:52:12,172 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-22 23:52:12,172 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116454027]
[2023-11-22 23:52:12,172 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-22 23:52:12,172 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-22 23:52:12,192 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-22 23:52:12,296 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-22 23:52:12,297 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-22 23:52:12,297 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116454027]
[2023-11-22 23:52:12,297 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116454027] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-22 23:52:12,297 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-22 23:52:12,297 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-22 23:52:12,297 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341898689]
[2023-11-22 23:52:12,297 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-22 23:52:12,298 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-22 23:52:12,299 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-22 23:52:12,299 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-22 23:52:12,299 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-22 23:52:12,300 INFO  L87              Difference]: Start difference. First operand 920 states and 1223 transitions. Second operand  has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 2 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:12,553 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-22 23:52:12,553 INFO  L93              Difference]: Finished difference Result 2232 states and 2922 transitions.
[2023-11-22 23:52:12,554 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-22 23:52:12,554 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 2 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 143
[2023-11-22 23:52:12,554 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-22 23:52:12,558 INFO  L225             Difference]: With dead ends: 2232
[2023-11-22 23:52:12,560 INFO  L226             Difference]: Without dead ends: 1313
[2023-11-22 23:52:12,561 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-22 23:52:12,562 INFO  L413           NwaCegarLoop]: 55 mSDtfsCounter, 122 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-22 23:52:12,563 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 60 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-22 23:52:12,564 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1313 states.
[2023-11-22 23:52:12,575 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1313 to 1182.
[2023-11-22 23:52:12,578 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1182 states, 1181 states have (on average 1.2828111769686705) internal successors, (1515), 1181 states have internal predecessors, (1515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:12,580 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1515 transitions.
[2023-11-22 23:52:12,580 INFO  L78                 Accepts]: Start accepts. Automaton has 1182 states and 1515 transitions. Word has length 143
[2023-11-22 23:52:12,580 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-22 23:52:12,581 INFO  L495      AbstractCegarLoop]: Abstraction has 1182 states and 1515 transitions.
[2023-11-22 23:52:12,582 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 2 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:12,582 INFO  L276                IsEmpty]: Start isEmpty. Operand 1182 states and 1515 transitions.
[2023-11-22 23:52:12,584 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 148
[2023-11-22 23:52:12,584 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-22 23:52:12,584 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-22 23:52:12,584 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-22 23:52:12,584 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-22 23:52:12,585 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-22 23:52:12,585 INFO  L85        PathProgramCache]: Analyzing trace with hash 1716461519, now seen corresponding path program 1 times
[2023-11-22 23:52:12,585 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-22 23:52:12,585 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345270808]
[2023-11-22 23:52:12,585 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-22 23:52:12,585 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-22 23:52:12,613 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-22 23:52:12,729 INFO  L134       CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-22 23:52:12,730 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-22 23:52:12,730 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345270808]
[2023-11-22 23:52:12,730 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345270808] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-22 23:52:12,730 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-22 23:52:12,730 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-22 23:52:12,730 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950097337]
[2023-11-22 23:52:12,730 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-22 23:52:12,731 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-22 23:52:12,731 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-22 23:52:12,731 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-22 23:52:12,731 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-22 23:52:12,732 INFO  L87              Difference]: Start difference. First operand 1182 states and 1515 transitions. Second operand  has 4 states, 4 states have (on average 36.75) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:13,125 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-22 23:52:13,125 INFO  L93              Difference]: Finished difference Result 2756 states and 3470 transitions.
[2023-11-22 23:52:13,126 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-22 23:52:13,126 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 36.75) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147
[2023-11-22 23:52:13,127 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-22 23:52:13,130 INFO  L225             Difference]: With dead ends: 2756
[2023-11-22 23:52:13,130 INFO  L226             Difference]: Without dead ends: 1575
[2023-11-22 23:52:13,132 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-22 23:52:13,133 INFO  L413           NwaCegarLoop]: 48 mSDtfsCounter, 258 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2023-11-22 23:52:13,133 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 58 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2023-11-22 23:52:13,134 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1575 states.
[2023-11-22 23:52:13,147 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 1444.
[2023-11-22 23:52:13,149 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1444 states, 1443 states have (on average 1.248094248094248) internal successors, (1801), 1443 states have internal predecessors, (1801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:13,151 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1444 states and 1801 transitions.
[2023-11-22 23:52:13,151 INFO  L78                 Accepts]: Start accepts. Automaton has 1444 states and 1801 transitions. Word has length 147
[2023-11-22 23:52:13,152 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-22 23:52:13,152 INFO  L495      AbstractCegarLoop]: Abstraction has 1444 states and 1801 transitions.
[2023-11-22 23:52:13,153 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 36.75) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:13,153 INFO  L276                IsEmpty]: Start isEmpty. Operand 1444 states and 1801 transitions.
[2023-11-22 23:52:13,155 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 166
[2023-11-22 23:52:13,155 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-22 23:52:13,155 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-22 23:52:13,155 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-22 23:52:13,155 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-22 23:52:13,156 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-22 23:52:13,156 INFO  L85        PathProgramCache]: Analyzing trace with hash -1757217618, now seen corresponding path program 1 times
[2023-11-22 23:52:13,156 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-22 23:52:13,156 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915722342]
[2023-11-22 23:52:13,156 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-22 23:52:13,156 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-22 23:52:13,181 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-22 23:52:13,287 INFO  L134       CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-22 23:52:13,287 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-22 23:52:13,287 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915722342]
[2023-11-22 23:52:13,287 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915722342] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-22 23:52:13,287 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-22 23:52:13,287 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-22 23:52:13,288 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449371714]
[2023-11-22 23:52:13,288 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-22 23:52:13,288 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-22 23:52:13,288 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-22 23:52:13,289 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-22 23:52:13,289 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-22 23:52:13,289 INFO  L87              Difference]: Start difference. First operand 1444 states and 1801 transitions. Second operand  has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:13,554 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-22 23:52:13,554 INFO  L93              Difference]: Finished difference Result 3018 states and 3738 transitions.
[2023-11-22 23:52:13,554 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-22 23:52:13,555 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 165
[2023-11-22 23:52:13,555 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-22 23:52:13,559 INFO  L225             Difference]: With dead ends: 3018
[2023-11-22 23:52:13,559 INFO  L226             Difference]: Without dead ends: 1575
[2023-11-22 23:52:13,560 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-22 23:52:13,560 INFO  L413           NwaCegarLoop]: 185 mSDtfsCounter, 6 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-22 23:52:13,561 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 190 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-22 23:52:13,562 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1575 states.
[2023-11-22 23:52:13,573 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 1444.
[2023-11-22 23:52:13,574 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1444 states, 1443 states have (on average 1.205128205128205) internal successors, (1739), 1443 states have internal predecessors, (1739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:13,577 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1444 states and 1739 transitions.
[2023-11-22 23:52:13,577 INFO  L78                 Accepts]: Start accepts. Automaton has 1444 states and 1739 transitions. Word has length 165
[2023-11-22 23:52:13,577 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-22 23:52:13,577 INFO  L495      AbstractCegarLoop]: Abstraction has 1444 states and 1739 transitions.
[2023-11-22 23:52:13,577 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:13,578 INFO  L276                IsEmpty]: Start isEmpty. Operand 1444 states and 1739 transitions.
[2023-11-22 23:52:13,580 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 179
[2023-11-22 23:52:13,580 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-22 23:52:13,580 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-22 23:52:13,580 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-11-22 23:52:13,580 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-22 23:52:13,581 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-22 23:52:13,581 INFO  L85        PathProgramCache]: Analyzing trace with hash 669985135, now seen corresponding path program 1 times
[2023-11-22 23:52:13,581 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-22 23:52:13,581 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315520878]
[2023-11-22 23:52:13,581 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-22 23:52:13,581 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-22 23:52:13,620 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-22 23:52:13,904 INFO  L134       CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-22 23:52:13,905 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-22 23:52:13,905 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315520878]
[2023-11-22 23:52:13,905 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315520878] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-22 23:52:13,905 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798356653]
[2023-11-22 23:52:13,905 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-22 23:52:13,905 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-22 23:52:13,905 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-11-22 23:52:13,944 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)
[2023-11-22 23:52:14,005 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-22 23:52:14,100 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-22 23:52:14,103 INFO  L262         TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-11-22 23:52:14,109 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-22 23:52:14,287 INFO  L134       CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked.
[2023-11-22 23:52:14,287 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-22 23:52:14,287 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798356653] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-22 23:52:14,287 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-22 23:52:14,287 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6
[2023-11-22 23:52:14,288 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297191182]
[2023-11-22 23:52:14,288 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-22 23:52:14,288 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-22 23:52:14,288 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-22 23:52:14,289 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-22 23:52:14,289 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2023-11-22 23:52:14,289 INFO  L87              Difference]: Start difference. First operand 1444 states and 1739 transitions. Second operand  has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:14,544 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-22 23:52:14,545 INFO  L93              Difference]: Finished difference Result 2232 states and 2641 transitions.
[2023-11-22 23:52:14,545 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-22 23:52:14,545 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 178
[2023-11-22 23:52:14,546 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-22 23:52:14,551 INFO  L225             Difference]: With dead ends: 2232
[2023-11-22 23:52:14,551 INFO  L226             Difference]: Without dead ends: 2230
[2023-11-22 23:52:14,552 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2023-11-22 23:52:14,553 INFO  L413           NwaCegarLoop]: 24 mSDtfsCounter, 25 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-22 23:52:14,554 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 29 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-22 23:52:14,555 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2230 states.
[2023-11-22 23:52:14,580 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2230 to 2230.
[2023-11-22 23:52:14,583 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2230 states, 2229 states have (on average 1.183938986092418) internal successors, (2639), 2229 states have internal predecessors, (2639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:14,587 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2230 states to 2230 states and 2639 transitions.
[2023-11-22 23:52:14,587 INFO  L78                 Accepts]: Start accepts. Automaton has 2230 states and 2639 transitions. Word has length 178
[2023-11-22 23:52:14,587 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-22 23:52:14,587 INFO  L495      AbstractCegarLoop]: Abstraction has 2230 states and 2639 transitions.
[2023-11-22 23:52:14,588 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:14,588 INFO  L276                IsEmpty]: Start isEmpty. Operand 2230 states and 2639 transitions.
[2023-11-22 23:52:14,591 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 186
[2023-11-22 23:52:14,591 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-22 23:52:14,591 INFO  L195           NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-22 23:52:14,616 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2023-11-22 23:52:14,802 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-22 23:52:14,803 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-22 23:52:14,803 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-22 23:52:14,804 INFO  L85        PathProgramCache]: Analyzing trace with hash -1373654596, now seen corresponding path program 1 times
[2023-11-22 23:52:14,804 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-22 23:52:14,804 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358250073]
[2023-11-22 23:52:14,804 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-22 23:52:14,804 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-22 23:52:14,827 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-22 23:52:14,890 INFO  L134       CoverageAnalysis]: Checked inductivity of 69 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked.
[2023-11-22 23:52:14,891 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-22 23:52:14,891 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358250073]
[2023-11-22 23:52:14,891 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358250073] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-22 23:52:14,891 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-22 23:52:14,891 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-22 23:52:14,891 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868738704]
[2023-11-22 23:52:14,891 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-22 23:52:14,892 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-22 23:52:14,892 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-22 23:52:14,892 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-22 23:52:14,892 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-22 23:52:14,893 INFO  L87              Difference]: Start difference. First operand 2230 states and 2639 transitions. Second operand  has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:15,162 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-22 23:52:15,163 INFO  L93              Difference]: Finished difference Result 4852 states and 5761 transitions.
[2023-11-22 23:52:15,163 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-22 23:52:15,163 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 185
[2023-11-22 23:52:15,163 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-22 23:52:15,168 INFO  L225             Difference]: With dead ends: 4852
[2023-11-22 23:52:15,168 INFO  L226             Difference]: Without dead ends: 2361
[2023-11-22 23:52:15,170 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-22 23:52:15,171 INFO  L413           NwaCegarLoop]: 185 mSDtfsCounter, 136 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-22 23:52:15,171 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 189 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-22 23:52:15,172 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2361 states.
[2023-11-22 23:52:15,218 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2361 to 2361.
[2023-11-22 23:52:15,221 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2361 states, 2360 states have (on average 1.0957627118644069) internal successors, (2586), 2360 states have internal predecessors, (2586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:15,225 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2361 states to 2361 states and 2586 transitions.
[2023-11-22 23:52:15,225 INFO  L78                 Accepts]: Start accepts. Automaton has 2361 states and 2586 transitions. Word has length 185
[2023-11-22 23:52:15,225 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-22 23:52:15,225 INFO  L495      AbstractCegarLoop]: Abstraction has 2361 states and 2586 transitions.
[2023-11-22 23:52:15,225 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:15,225 INFO  L276                IsEmpty]: Start isEmpty. Operand 2361 states and 2586 transitions.
[2023-11-22 23:52:15,229 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 193
[2023-11-22 23:52:15,229 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-22 23:52:15,229 INFO  L195           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-22 23:52:15,229 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2023-11-22 23:52:15,229 INFO  L420      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-22 23:52:15,230 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-22 23:52:15,230 INFO  L85        PathProgramCache]: Analyzing trace with hash 723528955, now seen corresponding path program 1 times
[2023-11-22 23:52:15,230 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-22 23:52:15,230 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104329213]
[2023-11-22 23:52:15,230 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-22 23:52:15,231 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-22 23:52:15,257 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-22 23:52:15,352 INFO  L134       CoverageAnalysis]: Checked inductivity of 99 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked.
[2023-11-22 23:52:15,353 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-22 23:52:15,353 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104329213]
[2023-11-22 23:52:15,353 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104329213] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-22 23:52:15,353 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-22 23:52:15,353 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-22 23:52:15,353 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492127306]
[2023-11-22 23:52:15,353 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-22 23:52:15,354 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-22 23:52:15,354 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-22 23:52:15,354 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-22 23:52:15,354 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-22 23:52:15,355 INFO  L87              Difference]: Start difference. First operand 2361 states and 2586 transitions. Second operand  has 3 states, 3 states have (on average 56.0) internal successors, (168), 2 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:15,642 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-22 23:52:15,642 INFO  L93              Difference]: Finished difference Result 5376 states and 5910 transitions.
[2023-11-22 23:52:15,642 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-22 23:52:15,643 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 56.0) internal successors, (168), 2 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 192
[2023-11-22 23:52:15,643 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-22 23:52:15,649 INFO  L225             Difference]: With dead ends: 5376
[2023-11-22 23:52:15,650 INFO  L226             Difference]: Without dead ends: 2885
[2023-11-22 23:52:15,652 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-22 23:52:15,652 INFO  L413           NwaCegarLoop]: 44 mSDtfsCounter, 97 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2023-11-22 23:52:15,653 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 48 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2023-11-22 23:52:15,654 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2885 states.
[2023-11-22 23:52:15,678 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2885 to 2885.
[2023-11-22 23:52:15,681 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2885 states, 2884 states have (on average 1.0856449375866852) internal successors, (3131), 2884 states have internal predecessors, (3131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:15,685 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2885 states to 2885 states and 3131 transitions.
[2023-11-22 23:52:15,685 INFO  L78                 Accepts]: Start accepts. Automaton has 2885 states and 3131 transitions. Word has length 192
[2023-11-22 23:52:15,686 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-22 23:52:15,686 INFO  L495      AbstractCegarLoop]: Abstraction has 2885 states and 3131 transitions.
[2023-11-22 23:52:15,686 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 56.0) internal successors, (168), 2 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:15,686 INFO  L276                IsEmpty]: Start isEmpty. Operand 2885 states and 3131 transitions.
[2023-11-22 23:52:15,689 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 206
[2023-11-22 23:52:15,690 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-22 23:52:15,690 INFO  L195           NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-22 23:52:15,690 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2023-11-22 23:52:15,690 INFO  L420      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-22 23:52:15,690 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-22 23:52:15,691 INFO  L85        PathProgramCache]: Analyzing trace with hash 164564890, now seen corresponding path program 1 times
[2023-11-22 23:52:15,691 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-22 23:52:15,691 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510514452]
[2023-11-22 23:52:15,691 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-22 23:52:15,691 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-22 23:52:15,712 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-22 23:52:15,871 INFO  L134       CoverageAnalysis]: Checked inductivity of 123 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked.
[2023-11-22 23:52:15,871 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-22 23:52:15,871 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510514452]
[2023-11-22 23:52:15,871 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510514452] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-22 23:52:15,871 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605289166]
[2023-11-22 23:52:15,872 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-22 23:52:15,872 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-22 23:52:15,872 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-11-22 23:52:15,889 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)
[2023-11-22 23:52:15,892 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-22 23:52:15,988 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-22 23:52:15,990 INFO  L262         TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-11-22 23:52:15,993 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-22 23:52:16,098 INFO  L134       CoverageAnalysis]: Checked inductivity of 123 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked.
[2023-11-22 23:52:16,098 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-22 23:52:16,098 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [605289166] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-22 23:52:16,099 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-22 23:52:16,099 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2023-11-22 23:52:16,099 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304722204]
[2023-11-22 23:52:16,099 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-22 23:52:16,099 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-22 23:52:16,100 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-22 23:52:16,100 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-22 23:52:16,100 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-22 23:52:16,100 INFO  L87              Difference]: Start difference. First operand 2885 states and 3131 transitions. Second operand  has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:16,347 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-22 23:52:16,347 INFO  L93              Difference]: Finished difference Result 5769 states and 6261 transitions.
[2023-11-22 23:52:16,347 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-22 23:52:16,348 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 205
[2023-11-22 23:52:16,348 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-22 23:52:16,355 INFO  L225             Difference]: With dead ends: 5769
[2023-11-22 23:52:16,355 INFO  L226             Difference]: Without dead ends: 2885
[2023-11-22 23:52:16,358 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-22 23:52:16,359 INFO  L413           NwaCegarLoop]: 161 mSDtfsCounter, 17 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-22 23:52:16,359 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 166 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-22 23:52:16,361 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2885 states.
[2023-11-22 23:52:16,387 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2885 to 2754.
[2023-11-22 23:52:16,390 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2754 states, 2753 states have (on average 1.0719215401380313) internal successors, (2951), 2753 states have internal predecessors, (2951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:16,395 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 2951 transitions.
[2023-11-22 23:52:16,395 INFO  L78                 Accepts]: Start accepts. Automaton has 2754 states and 2951 transitions. Word has length 205
[2023-11-22 23:52:16,395 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-22 23:52:16,395 INFO  L495      AbstractCegarLoop]: Abstraction has 2754 states and 2951 transitions.
[2023-11-22 23:52:16,396 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:16,396 INFO  L276                IsEmpty]: Start isEmpty. Operand 2754 states and 2951 transitions.
[2023-11-22 23:52:16,399 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 209
[2023-11-22 23:52:16,399 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-22 23:52:16,400 INFO  L195           NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-22 23:52:16,425 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-22 23:52:16,611 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2023-11-22 23:52:16,612 INFO  L420      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-22 23:52:16,612 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-22 23:52:16,612 INFO  L85        PathProgramCache]: Analyzing trace with hash -1402680136, now seen corresponding path program 1 times
[2023-11-22 23:52:16,613 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-22 23:52:16,613 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293681771]
[2023-11-22 23:52:16,613 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-22 23:52:16,613 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-22 23:52:16,638 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-22 23:52:16,815 INFO  L134       CoverageAnalysis]: Checked inductivity of 115 backedges. 109 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-22 23:52:16,815 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-22 23:52:16,815 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293681771]
[2023-11-22 23:52:16,815 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293681771] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-22 23:52:16,815 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284204377]
[2023-11-22 23:52:16,815 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-22 23:52:16,816 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-22 23:52:16,816 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-11-22 23:52:16,834 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-22 23:52:16,845 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-22 23:52:16,920 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-22 23:52:16,922 INFO  L262         TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-11-22 23:52:16,924 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-22 23:52:17,022 INFO  L134       CoverageAnalysis]: Checked inductivity of 115 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2023-11-22 23:52:17,022 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-22 23:52:17,022 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [284204377] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-22 23:52:17,023 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-22 23:52:17,023 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6
[2023-11-22 23:52:17,023 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231195293]
[2023-11-22 23:52:17,023 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-22 23:52:17,023 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-22 23:52:17,024 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-22 23:52:17,024 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-22 23:52:17,024 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-11-22 23:52:17,024 INFO  L87              Difference]: Start difference. First operand 2754 states and 2951 transitions. Second operand  has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:17,254 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-22 23:52:17,255 INFO  L93              Difference]: Finished difference Result 2756 states and 2952 transitions.
[2023-11-22 23:52:17,255 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-22 23:52:17,255 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 208
[2023-11-22 23:52:17,255 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-22 23:52:17,261 INFO  L225             Difference]: With dead ends: 2756
[2023-11-22 23:52:17,261 INFO  L226             Difference]: Without dead ends: 2754
[2023-11-22 23:52:17,261 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-11-22 23:52:17,262 INFO  L413           NwaCegarLoop]: 23 mSDtfsCounter, 26 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-22 23:52:17,262 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 28 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-22 23:52:17,264 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2754 states.
[2023-11-22 23:52:17,282 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2754 to 1837.
[2023-11-22 23:52:17,285 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1837 states, 1836 states have (on average 1.0757080610021788) internal successors, (1975), 1836 states have internal predecessors, (1975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:17,287 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1837 states to 1837 states and 1975 transitions.
[2023-11-22 23:52:17,288 INFO  L78                 Accepts]: Start accepts. Automaton has 1837 states and 1975 transitions. Word has length 208
[2023-11-22 23:52:17,288 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-22 23:52:17,288 INFO  L495      AbstractCegarLoop]: Abstraction has 1837 states and 1975 transitions.
[2023-11-22 23:52:17,288 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:17,288 INFO  L276                IsEmpty]: Start isEmpty. Operand 1837 states and 1975 transitions.
[2023-11-22 23:52:17,291 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 215
[2023-11-22 23:52:17,291 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-22 23:52:17,291 INFO  L195           NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-22 23:52:17,306 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-11-22 23:52:17,503 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-22 23:52:17,504 INFO  L420      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-22 23:52:17,504 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-22 23:52:17,504 INFO  L85        PathProgramCache]: Analyzing trace with hash -902209198, now seen corresponding path program 1 times
[2023-11-22 23:52:17,504 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-22 23:52:17,504 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531280849]
[2023-11-22 23:52:17,504 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-22 23:52:17,505 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-22 23:52:17,544 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-22 23:52:17,691 INFO  L134       CoverageAnalysis]: Checked inductivity of 141 backedges. 99 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2023-11-22 23:52:17,691 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-22 23:52:17,691 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531280849]
[2023-11-22 23:52:17,692 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531280849] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-22 23:52:17,692 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898783559]
[2023-11-22 23:52:17,692 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-22 23:52:17,693 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-22 23:52:17,693 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-11-22 23:52:17,694 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-22 23:52:17,724 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-11-22 23:52:17,780 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-22 23:52:17,782 INFO  L262         TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-11-22 23:52:17,785 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-22 23:52:17,907 INFO  L134       CoverageAnalysis]: Checked inductivity of 141 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked.
[2023-11-22 23:52:17,907 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-22 23:52:17,907 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898783559] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-22 23:52:17,907 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-22 23:52:17,907 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2023-11-22 23:52:17,907 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808707337]
[2023-11-22 23:52:17,907 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-22 23:52:17,908 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-22 23:52:17,908 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-22 23:52:17,908 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-22 23:52:17,908 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-22 23:52:17,909 INFO  L87              Difference]: Start difference. First operand 1837 states and 1975 transitions. Second operand  has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:18,111 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-22 23:52:18,111 INFO  L93              Difference]: Finished difference Result 1837 states and 1975 transitions.
[2023-11-22 23:52:18,111 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-22 23:52:18,112 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 214
[2023-11-22 23:52:18,112 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-22 23:52:18,112 INFO  L225             Difference]: With dead ends: 1837
[2023-11-22 23:52:18,112 INFO  L226             Difference]: Without dead ends: 0
[2023-11-22 23:52:18,113 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-22 23:52:18,114 INFO  L413           NwaCegarLoop]: 161 mSDtfsCounter, 10 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-22 23:52:18,114 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 165 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-22 23:52:18,114 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-22 23:52:18,114 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-22 23:52:18,114 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:18,114 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-22 23:52:18,114 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 214
[2023-11-22 23:52:18,114 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-22 23:52:18,114 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-22 23:52:18,115 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-22 23:52:18,115 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-22 23:52:18,115 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-22 23:52:18,117 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-22 23:52:18,129 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2023-11-22 23:52:18,324 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-22 23:52:18,326 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-22 23:52:18,548 INFO  L899   garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,549 INFO  L899   garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed.
[2023-11-22 23:52:18,549 INFO  L899   garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,549 INFO  L899   garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,549 INFO  L899   garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,549 INFO  L899   garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,549 INFO  L899   garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,549 INFO  L899   garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed.
[2023-11-22 23:52:18,549 INFO  L899   garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,550 INFO  L899   garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,550 INFO  L899   garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,550 INFO  L899   garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,550 INFO  L899   garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,550 INFO  L899   garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,550 INFO  L899   garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,550 INFO  L899   garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,550 INFO  L899   garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,551 INFO  L899   garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,551 INFO  L899   garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,551 INFO  L899   garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,551 INFO  L899   garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,551 INFO  L899   garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,551 INFO  L899   garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,551 INFO  L899   garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,551 INFO  L899   garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,552 INFO  L899   garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,552 INFO  L899   garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,552 INFO  L899   garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,552 INFO  L899   garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,552 INFO  L899   garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,552 INFO  L899   garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,552 INFO  L899   garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,552 INFO  L899   garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,553 INFO  L899   garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,553 INFO  L899   garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,553 INFO  L899   garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,553 INFO  L899   garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,553 INFO  L899   garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,553 INFO  L899   garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed.
[2023-11-22 23:52:18,553 INFO  L899   garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,553 INFO  L899   garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,553 INFO  L899   garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,554 INFO  L899   garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,554 INFO  L899   garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,554 INFO  L899   garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,554 INFO  L899   garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,554 INFO  L899   garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,554 INFO  L899   garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,554 INFO  L899   garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,554 INFO  L899   garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,554 INFO  L899   garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,555 INFO  L899   garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,555 INFO  L899   garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,555 INFO  L899   garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,555 INFO  L899   garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,555 INFO  L899   garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,555 INFO  L899   garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,555 INFO  L899   garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,555 INFO  L899   garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,556 INFO  L899   garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,556 INFO  L899   garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,556 INFO  L899   garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,556 INFO  L899   garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,556 INFO  L899   garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,556 INFO  L899   garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,556 INFO  L899   garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,556 INFO  L899   garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,557 INFO  L899   garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,557 INFO  L899   garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed.
[2023-11-22 23:52:18,557 INFO  L899   garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,557 INFO  L899   garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,557 INFO  L899   garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,557 INFO  L899   garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,557 INFO  L899   garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,557 INFO  L899   garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,557 INFO  L899   garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,558 INFO  L899   garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,558 INFO  L899   garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,558 INFO  L899   garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,558 INFO  L899   garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,558 INFO  L899   garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,558 INFO  L899   garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,558 INFO  L899   garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,558 INFO  L899   garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,558 INFO  L899   garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,559 INFO  L899   garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,559 INFO  L899   garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,559 INFO  L899   garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,559 INFO  L899   garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,559 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-22 23:52:18,559 INFO  L899   garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,559 INFO  L899   garLoopResultBuilder]: For program point L587(lines 587 604) no Hoare annotation was computed.
[2023-11-22 23:52:18,559 INFO  L899   garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,560 INFO  L899   garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,560 INFO  L899   garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,560 INFO  L899   garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,560 INFO  L899   garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,560 INFO  L899   garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,560 INFO  L899   garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,560 INFO  L899   garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,560 INFO  L899   garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,560 INFO  L899   garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,561 INFO  L899   garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,561 INFO  L899   garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,561 INFO  L899   garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,561 INFO  L899   garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,561 INFO  L899   garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,561 INFO  L899   garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,561 INFO  L899   garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,561 INFO  L899   garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-22 23:52:18,561 INFO  L899   garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,562 INFO  L899   garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,562 INFO  L899   garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,562 INFO  L899   garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,562 INFO  L899   garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,562 INFO  L899   garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,562 INFO  L899   garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,563 INFO  L895   garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse1 (<= ~a21~0 0)) (.cse0 (<= ~a8~0 13)) (.cse2 (<= ~a16~0 5)) (.cse6 (<= ~a20~0 0)) (.cse7 (= ~a16~0 6)) (.cse9 (<= 14 ~a8~0)) (.cse3 (<= ~a7~0 0)) (.cse4 (= ~a21~0 1)) (.cse8 (= ~a17~0 1)) (.cse5 (= ~a20~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse6 .cse4 .cse2) (and .cse0 .cse7 .cse1) (and .cse0 .cse4 .cse8 .cse5) (and .cse9 .cse4 .cse2 .cse5) (and .cse7 .cse9 .cse4 .cse5) (and .cse6 .cse7 .cse9 .cse4) (and .cse3 .cse4 .cse8 .cse5)))
[2023-11-22 23:52:18,563 INFO  L899   garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,563 INFO  L899   garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,563 INFO  L899   garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,563 INFO  L899   garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,563 INFO  L899   garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,563 INFO  L899   garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,564 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 573) no Hoare annotation was computed.
[2023-11-22 23:52:18,564 INFO  L899   garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,564 INFO  L899   garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,564 INFO  L899   garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,564 INFO  L899   garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,564 INFO  L899   garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,564 INFO  L899   garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,564 INFO  L899   garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed.
[2023-11-22 23:52:18,564 INFO  L899   garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,565 INFO  L899   garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,565 INFO  L899   garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,565 INFO  L899   garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed.
[2023-11-22 23:52:18,567 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-22 23:52:18,569 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-11-22 23:52:18,578 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:52:18 BoogieIcfgContainer
[2023-11-22 23:52:18,578 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-22 23:52:18,578 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-22 23:52:18,578 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-22 23:52:18,579 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-22 23:52:18,579 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:52:09" (3/4) ...
[2023-11-22 23:52:18,580 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2023-11-22 23:52:18,594 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2023-11-22 23:52:18,594 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-11-22 23:52:18,595 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-22 23:52:18,596 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-22 23:52:18,719 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2023-11-22 23:52:18,719 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml
[2023-11-22 23:52:18,719 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-22 23:52:18,720 INFO  L158              Benchmark]: Toolchain (without parser) took 10872.33ms. Allocated memory was 159.4MB in the beginning and 438.3MB in the end (delta: 278.9MB). Free memory was 85.9MB in the beginning and 353.2MB in the end (delta: -267.3MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB.
[2023-11-22 23:52:18,720 INFO  L158              Benchmark]: CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-22 23:52:18,721 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 345.69ms. Allocated memory is still 159.4MB. Free memory was 85.7MB in the beginning and 57.8MB in the end (delta: 27.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB.
[2023-11-22 23:52:18,721 INFO  L158              Benchmark]: Boogie Procedure Inliner took 96.42ms. Allocated memory was 159.4MB in the beginning and 222.3MB in the end (delta: 62.9MB). Free memory was 57.6MB in the beginning and 189.2MB in the end (delta: -131.6MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB.
[2023-11-22 23:52:18,722 INFO  L158              Benchmark]: Boogie Preprocessor took 57.51ms. Allocated memory is still 222.3MB. Free memory was 189.2MB in the beginning and 185.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-22 23:52:18,722 INFO  L158              Benchmark]: RCFGBuilder took 1024.06ms. Allocated memory is still 222.3MB. Free memory was 185.0MB in the beginning and 99.0MB in the end (delta: 86.0MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB.
[2023-11-22 23:52:18,723 INFO  L158              Benchmark]: TraceAbstraction took 9201.82ms. Allocated memory was 222.3MB in the beginning and 438.3MB in the end (delta: 216.0MB). Free memory was 98.0MB in the beginning and 365.8MB in the end (delta: -267.8MB). Peak memory consumption was 130.4MB. Max. memory is 16.1GB.
[2023-11-22 23:52:18,723 INFO  L158              Benchmark]: Witness Printer took 141.19ms. Allocated memory is still 438.3MB. Free memory was 365.8MB in the beginning and 353.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-22 23:52:18,725 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 345.69ms. Allocated memory is still 159.4MB. Free memory was 85.7MB in the beginning and 57.8MB in the end (delta: 27.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 96.42ms. Allocated memory was 159.4MB in the beginning and 222.3MB in the end (delta: 62.9MB). Free memory was 57.6MB in the beginning and 189.2MB in the end (delta: -131.6MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 57.51ms. Allocated memory is still 222.3MB. Free memory was 189.2MB in the beginning and 185.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * RCFGBuilder took 1024.06ms. Allocated memory is still 222.3MB. Free memory was 185.0MB in the beginning and 99.0MB in the end (delta: 86.0MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB.
 * TraceAbstraction took 9201.82ms. Allocated memory was 222.3MB in the beginning and 438.3MB in the end (delta: 216.0MB). Free memory was 98.0MB in the beginning and 365.8MB in the end (delta: -267.8MB). Peak memory consumption was 130.4MB. Max. memory is 16.1GB.
 * Witness Printer took 141.19ms. Allocated memory is still 438.3MB. Free memory was 365.8MB in the beginning and 353.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 573]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 136 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.1s, OverallIterations: 14, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1162 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1162 mSDsluCounter, 1263 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 65 mSDsCounter, 595 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4392 IncrementalHoareTripleChecker+Invalid, 4987 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 595 mSolverCounterUnsat, 1198 mSDtfsCounter, 4392 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 839 GetRequests, 814 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2885occurred in iteration=11, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 1441 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 18 NumberOfFragments, 109 HoareAnnotationTreeSize, 1 FomulaSimplifications, 262 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 375 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 3109 NumberOfCodeBlocks, 3109 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3091 ConstructedInterpolants, 0 QuantifiedInterpolants, 9383 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1459 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 18 InterpolantComputations, 14 PerfectInterpolantSequences, 1058/1125 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 593]: Loop Invariant
    Derived loop invariant: (((((((((((a8 <= 13) && (a21 <= 0)) && (a16 <= 5)) || ((((a7 <= 0) && (a21 == 1)) && (a16 <= 5)) && (a20 == 1))) || (((a20 <= 0) && (a21 == 1)) && (a16 <= 5))) || (((a8 <= 13) && (a16 == 6)) && (a21 <= 0))) || ((((a8 <= 13) && (a21 == 1)) && (a17 == 1)) && (a20 == 1))) || ((((14 <= a8) && (a21 == 1)) && (a16 <= 5)) && (a20 == 1))) || ((((a16 == 6) && (14 <= a8)) && (a21 == 1)) && (a20 == 1))) || ((((a20 <= 0) && (a16 == 6)) && (14 <= a8)) && (a21 == 1))) || ((((a7 <= 0) && (a21 == 1)) && (a17 == 1)) && (a20 == 1)))
RESULT: Ultimate proved your program to be correct!
[2023-11-22 23:52:18,753 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE