./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.i --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 3061b6dc
Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.i -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 64fa20811e3d6b4f48d530fd12c5b3e1f5523460c92f2bd0d2e9efe97c916004
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m
[2024-11-19 01:11:16,190 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-19 01:11:16,278 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-19 01:11:16,285 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-19 01:11:16,287 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-19 01:11:16,315 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-19 01:11:16,315 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-19 01:11:16,316 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-19 01:11:16,317 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-19 01:11:16,319 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-19 01:11:16,319 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-19 01:11:16,320 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-19 01:11:16,320 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-19 01:11:16,323 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-19 01:11:16,324 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-19 01:11:16,324 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-19 01:11:16,325 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-19 01:11:16,325 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-19 01:11:16,325 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-19 01:11:16,325 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-19 01:11:16,325 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-19 01:11:16,328 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-19 01:11:16,328 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-19 01:11:16,328 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-19 01:11:16,328 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-19 01:11:16,329 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-19 01:11:16,329 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-19 01:11:16,329 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-19 01:11:16,329 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-19 01:11:16,329 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-19 01:11:16,330 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-19 01:11:16,330 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-19 01:11:16,330 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-19 01:11:16,330 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-19 01:11:16,331 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-19 01:11:16,331 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-19 01:11:16,332 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-19 01:11:16,333 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-19 01:11:16,333 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-19 01:11:16,333 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-19 01:11:16,333 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-19 01:11:16,334 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-19 01:11:16,334 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 -> 64fa20811e3d6b4f48d530fd12c5b3e1f5523460c92f2bd0d2e9efe97c916004
[2024-11-19 01:11:16,649 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-19 01:11:16,674 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-19 01:11:16,677 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-19 01:11:16,679 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-19 01:11:16,679 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-19 01:11:16,681 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.i
[2024-11-19 01:11:18,066 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-19 01:11:18,285 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-19 01:11:18,286 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.i
[2024-11-19 01:11:18,294 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03c8706cc/aa35a3d8210349b39a8600d2e2b8e440/FLAG74016b0e1
[2024-11-19 01:11:18,324 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03c8706cc/aa35a3d8210349b39a8600d2e2b8e440
[2024-11-19 01:11:18,327 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-19 01:11:18,328 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-19 01:11:18,334 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-19 01:11:18,334 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-19 01:11:18,339 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-19 01:11:18,340 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:11:18" (1/1) ...
[2024-11-19 01:11:18,343 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c7d07fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:11:18, skipping insertion in model container
[2024-11-19 01:11:18,343 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:11:18" (1/1) ...
[2024-11-19 01:11:18,393 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-19 01:11:18,558 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.i[915,928]
[2024-11-19 01:11:18,621 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-19 01:11:18,629 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-19 01:11:18,643 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-8.i[915,928]
[2024-11-19 01:11:18,680 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-19 01:11:18,705 INFO  L204         MainTranslator]: Completed translation
[2024-11-19 01:11:18,706 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:11:18 WrapperNode
[2024-11-19 01:11:18,706 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-19 01:11:18,707 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-19 01:11:18,707 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-19 01:11:18,710 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-19 01:11:18,718 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:11:18" (1/1) ...
[2024-11-19 01:11:18,735 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:11:18" (1/1) ...
[2024-11-19 01:11:18,779 INFO  L138                Inliner]: procedures = 30, calls = 152, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 443
[2024-11-19 01:11:18,779 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-19 01:11:18,780 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-19 01:11:18,780 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-19 01:11:18,780 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-19 01:11:18,798 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:11:18" (1/1) ...
[2024-11-19 01:11:18,799 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:11:18" (1/1) ...
[2024-11-19 01:11:18,807 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:11:18" (1/1) ...
[2024-11-19 01:11:18,816 WARN  L109           MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS
[2024-11-19 01:11:18,816 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:11:18" (1/1) ...
[2024-11-19 01:11:18,816 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:11:18" (1/1) ...
[2024-11-19 01:11:18,841 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:11:18" (1/1) ...
[2024-11-19 01:11:18,845 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:11:18" (1/1) ...
[2024-11-19 01:11:18,848 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:11:18" (1/1) ...
[2024-11-19 01:11:18,851 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:11:18" (1/1) ...
[2024-11-19 01:11:18,857 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-19 01:11:18,858 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-19 01:11:18,858 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-19 01:11:18,858 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-19 01:11:18,859 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:11:18" (1/1) ...
[2024-11-19 01:11:18,865 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-19 01:11:18,879 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-19 01:11:18,896 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-19 01:11:18,899 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-19 01:11:18,941 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-19 01:11:18,942 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~real
[2024-11-19 01:11:18,942 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2024-11-19 01:11:18,942 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-11-19 01:11:18,942 INFO  L130     BoogieDeclarations]: Found specification of procedure read~real
[2024-11-19 01:11:18,942 INFO  L130     BoogieDeclarations]: Found specification of procedure write~real
[2024-11-19 01:11:18,942 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-11-19 01:11:18,942 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-19 01:11:18,943 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-19 01:11:18,943 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-19 01:11:18,943 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-19 01:11:18,943 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-19 01:11:19,033 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-19 01:11:19,035 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-19 01:11:19,641 INFO  L?                        ?]: Removed 107 outVars from TransFormulas that were not future-live.
[2024-11-19 01:11:19,641 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-19 01:11:19,656 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-19 01:11:19,657 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-19 01:11:19,657 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:11:19 BoogieIcfgContainer
[2024-11-19 01:11:19,658 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-19 01:11:19,661 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-19 01:11:19,661 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-19 01:11:19,664 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-19 01:11:19,665 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:11:18" (1/3) ...
[2024-11-19 01:11:19,666 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e3eda9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:11:19, skipping insertion in model container
[2024-11-19 01:11:19,666 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:11:18" (2/3) ...
[2024-11-19 01:11:19,666 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e3eda9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:11:19, skipping insertion in model container
[2024-11-19 01:11:19,666 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:11:19" (3/3) ...
[2024-11-19 01:11:19,668 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-8.i
[2024-11-19 01:11:19,683 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-19 01:11:19,683 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-19 01:11:19,738 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-19 01:11:19,744 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5d9d3aec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-19 01:11:19,745 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-19 01:11:19,749 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 100 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 84 states have internal predecessors, (117), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-19 01:11:19,761 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2024-11-19 01:11:19,761 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 01:11:19,762 INFO  L215           NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 01:11:19,763 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-19 01:11:19,768 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 01:11:19,768 INFO  L85        PathProgramCache]: Analyzing trace with hash 1431925537, now seen corresponding path program 1 times
[2024-11-19 01:11:19,775 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 01:11:19,776 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736219208]
[2024-11-19 01:11:19,776 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 01:11:19,777 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 01:11:20,006 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 01:11:20,235 INFO  L134       CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked.
[2024-11-19 01:11:20,236 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 01:11:20,237 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736219208]
[2024-11-19 01:11:20,238 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736219208] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-19 01:11:20,238 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242444983]
[2024-11-19 01:11:20,238 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 01:11:20,239 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-19 01:11:20,239 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-19 01:11:20,241 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-19 01:11:20,243 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-19 01:11:20,498 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 01:11:20,502 INFO  L255         TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-19 01:11:20,513 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-19 01:11:20,549 INFO  L134       CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked.
[2024-11-19 01:11:20,549 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-19 01:11:20,550 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [242444983] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 01:11:20,550 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-19 01:11:20,550 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-19 01:11:20,553 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34238590]
[2024-11-19 01:11:20,553 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 01:11:20,558 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-19 01:11:20,560 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 01:11:20,585 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-19 01:11:20,585 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-19 01:11:20,587 INFO  L87              Difference]: Start difference. First operand  has 100 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 84 states have internal predecessors, (117), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand  has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-19 01:11:20,612 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 01:11:20,612 INFO  L93              Difference]: Finished difference Result 193 states and 298 transitions.
[2024-11-19 01:11:20,616 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-19 01:11:20,618 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 123
[2024-11-19 01:11:20,618 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 01:11:20,628 INFO  L225             Difference]: With dead ends: 193
[2024-11-19 01:11:20,629 INFO  L226             Difference]: Without dead ends: 96
[2024-11-19 01:11:20,632 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-19 01:11:20,635 INFO  L432           NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-19 01:11:20,636 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-19 01:11:20,649 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 96 states.
[2024-11-19 01:11:20,667 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96.
[2024-11-19 01:11:20,669 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 96 states, 80 states have (on average 1.375) internal successors, (110), 80 states have internal predecessors, (110), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-19 01:11:20,671 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 138 transitions.
[2024-11-19 01:11:20,672 INFO  L78                 Accepts]: Start accepts. Automaton has 96 states and 138 transitions. Word has length 123
[2024-11-19 01:11:20,673 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-19 01:11:20,673 INFO  L471      AbstractCegarLoop]: Abstraction has 96 states and 138 transitions.
[2024-11-19 01:11:20,673 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-19 01:11:20,674 INFO  L276                IsEmpty]: Start isEmpty. Operand 96 states and 138 transitions.
[2024-11-19 01:11:20,677 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2024-11-19 01:11:20,677 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 01:11:20,677 INFO  L215           NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 01:11:20,691 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-19 01:11:20,878 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-11-19 01:11:20,879 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-19 01:11:20,879 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 01:11:20,880 INFO  L85        PathProgramCache]: Analyzing trace with hash 2107248781, now seen corresponding path program 1 times
[2024-11-19 01:11:20,880 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 01:11:20,880 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866836192]
[2024-11-19 01:11:20,880 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 01:11:20,880 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 01:11:21,037 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 01:11:21,334 INFO  L134       CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-19 01:11:21,335 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 01:11:21,335 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866836192]
[2024-11-19 01:11:21,336 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866836192] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 01:11:21,336 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 01:11:21,336 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-19 01:11:21,336 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102441947]
[2024-11-19 01:11:21,337 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 01:11:21,338 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-19 01:11:21,338 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 01:11:21,339 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-19 01:11:21,339 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-19 01:11:21,340 INFO  L87              Difference]: Start difference. First operand 96 states and 138 transitions. Second operand  has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-19 01:11:21,392 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 01:11:21,394 INFO  L93              Difference]: Finished difference Result 191 states and 276 transitions.
[2024-11-19 01:11:21,395 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-19 01:11:21,395 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 123
[2024-11-19 01:11:21,396 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 01:11:21,398 INFO  L225             Difference]: With dead ends: 191
[2024-11-19 01:11:21,400 INFO  L226             Difference]: Without dead ends: 98
[2024-11-19 01:11:21,401 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-19 01:11:21,403 INFO  L432           NwaCegarLoop]: 136 mSDtfsCounter, 0 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-19 01:11:21,404 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 397 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-19 01:11:21,406 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 98 states.
[2024-11-19 01:11:21,420 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98.
[2024-11-19 01:11:21,422 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 98 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 82 states have internal predecessors, (112), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-19 01:11:21,424 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 140 transitions.
[2024-11-19 01:11:21,426 INFO  L78                 Accepts]: Start accepts. Automaton has 98 states and 140 transitions. Word has length 123
[2024-11-19 01:11:21,427 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-19 01:11:21,428 INFO  L471      AbstractCegarLoop]: Abstraction has 98 states and 140 transitions.
[2024-11-19 01:11:21,429 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-19 01:11:21,430 INFO  L276                IsEmpty]: Start isEmpty. Operand 98 states and 140 transitions.
[2024-11-19 01:11:21,432 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2024-11-19 01:11:21,433 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 01:11:21,434 INFO  L215           NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 01:11:21,434 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-19 01:11:21,434 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-19 01:11:21,435 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 01:11:21,435 INFO  L85        PathProgramCache]: Analyzing trace with hash 568908751, now seen corresponding path program 1 times
[2024-11-19 01:11:21,435 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 01:11:21,435 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895748146]
[2024-11-19 01:11:21,435 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 01:11:21,436 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 01:11:21,524 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 01:11:21,676 INFO  L134       CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-19 01:11:21,678 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 01:11:21,678 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895748146]
[2024-11-19 01:11:21,678 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895748146] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 01:11:21,678 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 01:11:21,679 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-19 01:11:21,679 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724431659]
[2024-11-19 01:11:21,679 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 01:11:21,681 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-19 01:11:21,681 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 01:11:21,682 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-19 01:11:21,682 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-19 01:11:21,682 INFO  L87              Difference]: Start difference. First operand 98 states and 140 transitions. Second operand  has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-19 01:11:21,718 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 01:11:21,718 INFO  L93              Difference]: Finished difference Result 196 states and 281 transitions.
[2024-11-19 01:11:21,719 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-19 01:11:21,719 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123
[2024-11-19 01:11:21,720 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 01:11:21,721 INFO  L225             Difference]: With dead ends: 196
[2024-11-19 01:11:21,721 INFO  L226             Difference]: Without dead ends: 101
[2024-11-19 01:11:21,721 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-19 01:11:21,722 INFO  L432           NwaCegarLoop]: 135 mSDtfsCounter, 1 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-19 01:11:21,723 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 394 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-19 01:11:21,724 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 101 states.
[2024-11-19 01:11:21,730 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 100.
[2024-11-19 01:11:21,730 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 100 states, 84 states have (on average 1.3571428571428572) internal successors, (114), 84 states have internal predecessors, (114), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-19 01:11:21,732 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 142 transitions.
[2024-11-19 01:11:21,732 INFO  L78                 Accepts]: Start accepts. Automaton has 100 states and 142 transitions. Word has length 123
[2024-11-19 01:11:21,733 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-19 01:11:21,733 INFO  L471      AbstractCegarLoop]: Abstraction has 100 states and 142 transitions.
[2024-11-19 01:11:21,733 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-19 01:11:21,733 INFO  L276                IsEmpty]: Start isEmpty. Operand 100 states and 142 transitions.
[2024-11-19 01:11:21,735 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2024-11-19 01:11:21,735 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 01:11:21,735 INFO  L215           NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 01:11:21,736 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-19 01:11:21,736 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-19 01:11:21,736 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 01:11:21,737 INFO  L85        PathProgramCache]: Analyzing trace with hash 1248967121, now seen corresponding path program 1 times
[2024-11-19 01:11:21,737 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 01:11:21,737 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198828253]
[2024-11-19 01:11:21,737 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 01:11:21,737 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 01:11:21,811 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 01:11:21,951 INFO  L134       CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-19 01:11:21,953 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 01:11:21,955 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198828253]
[2024-11-19 01:11:21,956 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198828253] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 01:11:21,956 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 01:11:21,956 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-19 01:11:21,956 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576953975]
[2024-11-19 01:11:21,956 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 01:11:21,957 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-19 01:11:21,957 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 01:11:21,957 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-19 01:11:21,958 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-19 01:11:21,958 INFO  L87              Difference]: Start difference. First operand 100 states and 142 transitions. Second operand  has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-19 01:11:21,994 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 01:11:21,998 INFO  L93              Difference]: Finished difference Result 200 states and 285 transitions.
[2024-11-19 01:11:21,999 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-19 01:11:21,999 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123
[2024-11-19 01:11:22,000 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 01:11:22,001 INFO  L225             Difference]: With dead ends: 200
[2024-11-19 01:11:22,001 INFO  L226             Difference]: Without dead ends: 103
[2024-11-19 01:11:22,001 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-19 01:11:22,005 INFO  L432           NwaCegarLoop]: 135 mSDtfsCounter, 1 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-19 01:11:22,006 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 395 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-19 01:11:22,007 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 103 states.
[2024-11-19 01:11:22,013 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 102.
[2024-11-19 01:11:22,017 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 102 states, 86 states have (on average 1.3488372093023255) internal successors, (116), 86 states have internal predecessors, (116), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-19 01:11:22,020 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 144 transitions.
[2024-11-19 01:11:22,020 INFO  L78                 Accepts]: Start accepts. Automaton has 102 states and 144 transitions. Word has length 123
[2024-11-19 01:11:22,022 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-19 01:11:22,022 INFO  L471      AbstractCegarLoop]: Abstraction has 102 states and 144 transitions.
[2024-11-19 01:11:22,023 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-19 01:11:22,023 INFO  L276                IsEmpty]: Start isEmpty. Operand 102 states and 144 transitions.
[2024-11-19 01:11:22,024 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2024-11-19 01:11:22,028 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 01:11:22,028 INFO  L215           NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 01:11:22,029 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-19 01:11:22,029 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-19 01:11:22,029 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 01:11:22,029 INFO  L85        PathProgramCache]: Analyzing trace with hash -1270992813, now seen corresponding path program 1 times
[2024-11-19 01:11:22,029 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 01:11:22,030 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530083944]
[2024-11-19 01:11:22,030 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 01:11:22,030 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 01:11:22,146 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 01:11:23,126 INFO  L134       CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-19 01:11:23,127 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 01:11:23,127 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530083944]
[2024-11-19 01:11:23,127 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530083944] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 01:11:23,127 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 01:11:23,127 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-19 01:11:23,128 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478309931]
[2024-11-19 01:11:23,128 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 01:11:23,130 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-19 01:11:23,130 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 01:11:23,131 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-19 01:11:23,131 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-19 01:11:23,132 INFO  L87              Difference]: Start difference. First operand 102 states and 144 transitions. Second operand  has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-19 01:11:23,501 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 01:11:23,502 INFO  L93              Difference]: Finished difference Result 201 states and 285 transitions.
[2024-11-19 01:11:23,502 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-19 01:11:23,503 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 123
[2024-11-19 01:11:23,503 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 01:11:23,504 INFO  L225             Difference]: With dead ends: 201
[2024-11-19 01:11:23,504 INFO  L226             Difference]: Without dead ends: 102
[2024-11-19 01:11:23,505 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-19 01:11:23,505 INFO  L432           NwaCegarLoop]: 85 mSDtfsCounter, 118 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-19 01:11:23,506 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 222 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-19 01:11:23,509 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 102 states.
[2024-11-19 01:11:23,519 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102.
[2024-11-19 01:11:23,522 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 102 states, 86 states have (on average 1.3372093023255813) internal successors, (115), 86 states have internal predecessors, (115), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-19 01:11:23,522 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 143 transitions.
[2024-11-19 01:11:23,523 INFO  L78                 Accepts]: Start accepts. Automaton has 102 states and 143 transitions. Word has length 123
[2024-11-19 01:11:23,524 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-19 01:11:23,524 INFO  L471      AbstractCegarLoop]: Abstraction has 102 states and 143 transitions.
[2024-11-19 01:11:23,525 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-19 01:11:23,525 INFO  L276                IsEmpty]: Start isEmpty. Operand 102 states and 143 transitions.
[2024-11-19 01:11:23,527 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2024-11-19 01:11:23,527 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 01:11:23,528 INFO  L215           NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 01:11:23,528 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-19 01:11:23,528 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-19 01:11:23,529 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 01:11:23,529 INFO  L85        PathProgramCache]: Analyzing trace with hash 1335030741, now seen corresponding path program 1 times
[2024-11-19 01:11:23,529 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 01:11:23,530 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940348575]
[2024-11-19 01:11:23,530 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 01:11:23,530 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 01:11:23,729 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 01:11:25,478 INFO  L134       CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-19 01:11:25,479 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 01:11:25,479 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940348575]
[2024-11-19 01:11:25,479 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940348575] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 01:11:25,479 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 01:11:25,480 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-19 01:11:25,480 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528805396]
[2024-11-19 01:11:25,480 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 01:11:25,483 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-19 01:11:25,484 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 01:11:25,484 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-19 01:11:25,484 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-19 01:11:25,484 INFO  L87              Difference]: Start difference. First operand 102 states and 143 transitions. Second operand  has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-19 01:11:25,838 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 01:11:25,839 INFO  L93              Difference]: Finished difference Result 253 states and 352 transitions.
[2024-11-19 01:11:25,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-19 01:11:25,840 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 123
[2024-11-19 01:11:25,841 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 01:11:25,842 INFO  L225             Difference]: With dead ends: 253
[2024-11-19 01:11:25,843 INFO  L226             Difference]: Without dead ends: 154
[2024-11-19 01:11:25,843 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-19 01:11:25,844 INFO  L432           NwaCegarLoop]: 134 mSDtfsCounter, 61 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-19 01:11:25,845 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 547 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-19 01:11:25,845 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 154 states.
[2024-11-19 01:11:25,856 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 151.
[2024-11-19 01:11:25,857 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 151 states, 128 states have (on average 1.3203125) internal successors, (169), 129 states have internal predecessors, (169), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-19 01:11:25,858 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 209 transitions.
[2024-11-19 01:11:25,858 INFO  L78                 Accepts]: Start accepts. Automaton has 151 states and 209 transitions. Word has length 123
[2024-11-19 01:11:25,859 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-19 01:11:25,859 INFO  L471      AbstractCegarLoop]: Abstraction has 151 states and 209 transitions.
[2024-11-19 01:11:25,860 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-19 01:11:25,860 INFO  L276                IsEmpty]: Start isEmpty. Operand 151 states and 209 transitions.
[2024-11-19 01:11:25,861 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2024-11-19 01:11:25,861 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 01:11:25,861 INFO  L215           NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 01:11:25,862 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-19 01:11:25,862 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-19 01:11:25,862 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 01:11:25,862 INFO  L85        PathProgramCache]: Analyzing trace with hash 375638192, now seen corresponding path program 1 times
[2024-11-19 01:11:25,863 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 01:11:25,863 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134248939]
[2024-11-19 01:11:25,863 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 01:11:25,863 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 01:11:25,962 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 01:11:27,303 INFO  L134       CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-19 01:11:27,303 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 01:11:27,304 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134248939]
[2024-11-19 01:11:27,304 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134248939] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 01:11:27,304 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 01:11:27,304 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-11-19 01:11:27,304 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150653737]
[2024-11-19 01:11:27,304 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 01:11:27,305 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-19 01:11:27,305 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 01:11:27,306 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-19 01:11:27,306 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90
[2024-11-19 01:11:27,306 INFO  L87              Difference]: Start difference. First operand 151 states and 209 transitions. Second operand  has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-19 01:11:28,882 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 01:11:28,883 INFO  L93              Difference]: Finished difference Result 345 states and 479 transitions.
[2024-11-19 01:11:28,883 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-11-19 01:11:28,884 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 125
[2024-11-19 01:11:28,884 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 01:11:28,886 INFO  L225             Difference]: With dead ends: 345
[2024-11-19 01:11:28,886 INFO  L226             Difference]: Without dead ends: 197
[2024-11-19 01:11:28,887 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272
[2024-11-19 01:11:28,887 INFO  L432           NwaCegarLoop]: 156 mSDtfsCounter, 267 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 659 SdHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-11-19 01:11:28,888 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 659 Invalid, 868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-11-19 01:11:28,889 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 197 states.
[2024-11-19 01:11:28,929 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 193.
[2024-11-19 01:11:28,932 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 193 states, 161 states have (on average 1.3229813664596273) internal successors, (213), 162 states have internal predecessors, (213), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-19 01:11:28,933 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 269 transitions.
[2024-11-19 01:11:28,934 INFO  L78                 Accepts]: Start accepts. Automaton has 193 states and 269 transitions. Word has length 125
[2024-11-19 01:11:28,934 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-19 01:11:28,934 INFO  L471      AbstractCegarLoop]: Abstraction has 193 states and 269 transitions.
[2024-11-19 01:11:28,934 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-19 01:11:28,934 INFO  L276                IsEmpty]: Start isEmpty. Operand 193 states and 269 transitions.
[2024-11-19 01:11:28,936 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2024-11-19 01:11:28,936 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 01:11:28,937 INFO  L215           NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 01:11:28,937 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-19 01:11:28,937 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-19 01:11:28,938 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 01:11:28,938 INFO  L85        PathProgramCache]: Analyzing trace with hash 1072665936, now seen corresponding path program 1 times
[2024-11-19 01:11:28,938 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 01:11:28,939 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072358578]
[2024-11-19 01:11:28,939 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 01:11:28,939 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 01:11:29,025 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 01:11:30,253 INFO  L134       CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-19 01:11:30,253 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 01:11:30,253 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072358578]
[2024-11-19 01:11:30,253 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072358578] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 01:11:30,254 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 01:11:30,254 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-11-19 01:11:30,254 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985545195]
[2024-11-19 01:11:30,254 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 01:11:30,254 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-19 01:11:30,255 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 01:11:30,258 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-19 01:11:30,258 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90
[2024-11-19 01:11:30,259 INFO  L87              Difference]: Start difference. First operand 193 states and 269 transitions. Second operand  has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-19 01:11:31,848 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-19 01:11:31,849 INFO  L93              Difference]: Finished difference Result 381 states and 529 transitions.
[2024-11-19 01:11:31,849 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-11-19 01:11:31,849 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 125
[2024-11-19 01:11:31,850 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-19 01:11:31,851 INFO  L225             Difference]: With dead ends: 381
[2024-11-19 01:11:31,852 INFO  L226             Difference]: Without dead ends: 191
[2024-11-19 01:11:31,853 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306
[2024-11-19 01:11:31,854 INFO  L432           NwaCegarLoop]: 81 mSDtfsCounter, 491 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-19 01:11:31,856 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 369 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-19 01:11:31,856 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 191 states.
[2024-11-19 01:11:31,892 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 187.
[2024-11-19 01:11:31,893 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 187 states, 155 states have (on average 1.3096774193548386) internal successors, (203), 156 states have internal predecessors, (203), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-19 01:11:31,894 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 259 transitions.
[2024-11-19 01:11:31,894 INFO  L78                 Accepts]: Start accepts. Automaton has 187 states and 259 transitions. Word has length 125
[2024-11-19 01:11:31,895 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-19 01:11:31,895 INFO  L471      AbstractCegarLoop]: Abstraction has 187 states and 259 transitions.
[2024-11-19 01:11:31,895 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-19 01:11:31,895 INFO  L276                IsEmpty]: Start isEmpty. Operand 187 states and 259 transitions.
[2024-11-19 01:11:31,896 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2024-11-19 01:11:31,897 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-19 01:11:31,897 INFO  L215           NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 01:11:31,898 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-19 01:11:31,898 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-19 01:11:31,898 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 01:11:31,898 INFO  L85        PathProgramCache]: Analyzing trace with hash 1444028551, now seen corresponding path program 1 times
[2024-11-19 01:11:31,899 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 01:11:31,899 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524964544]
[2024-11-19 01:11:31,899 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 01:11:31,899 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 01:11:32,024 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat