./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.5.prop1-back-serstep.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 551b0097
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.5.prop1-back-serstep.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 64bit --witnessprinter.graph.data.programhash 3f0f6dc4c69710f9b49146a091b787943673df7efabfa4cf3572482098bcc06e
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-551b009-m
[2025-01-09 07:07:05,481 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-01-09 07:07:05,548 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2025-01-09 07:07:05,555 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-01-09 07:07:05,559 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-01-09 07:07:05,584 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-01-09 07:07:05,586 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-01-09 07:07:05,586 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-01-09 07:07:05,586 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2025-01-09 07:07:05,586 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2025-01-09 07:07:05,587 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-01-09 07:07:05,587 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-01-09 07:07:05,587 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-01-09 07:07:05,588 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-01-09 07:07:05,588 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-01-09 07:07:05,588 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2025-01-09 07:07:05,588 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2025-01-09 07:07:05,588 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2025-01-09 07:07:05,589 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2025-01-09 07:07:05,589 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2025-01-09 07:07:05,589 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2025-01-09 07:07:05,589 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2025-01-09 07:07:05,589 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2025-01-09 07:07:05,589 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2025-01-09 07:07:05,589 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2025-01-09 07:07:05,589 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2025-01-09 07:07:05,589 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-01-09 07:07:05,589 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-01-09 07:07:05,589 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-01-09 07:07:05,589 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-01-09 07:07:05,590 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-01-09 07:07:05,590 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-01-09 07:07:05,590 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-01-09 07:07:05,590 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-01-09 07:07:05,590 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-01-09 07:07:05,591 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-01-09 07:07:05,591 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-01-09 07:07:05,591 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2025-01-09 07:07:05,591 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2025-01-09 07:07:05,591 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-01-09 07:07:05,591 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-01-09 07:07:05,591 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2025-01-09 07:07:05,591 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-01-09 07:07:05,591 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2025-01-09 07:07:05,592 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-01-09 07:07:05,592 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
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-jdk21/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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f0f6dc4c69710f9b49146a091b787943673df7efabfa4cf3572482098bcc06e
[2025-01-09 07:07:05,876 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-01-09 07:07:05,883 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-01-09 07:07:05,886 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-01-09 07:07:05,887 INFO  L270        PluginConnector]: Initializing CDTParser...
[2025-01-09 07:07:05,887 INFO  L274        PluginConnector]: CDTParser initialized
[2025-01-09 07:07:05,888 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.5.prop1-back-serstep.c
[2025-01-09 07:07:07,023 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/69a04247a/26b3b67ce524416d99590e3dcac29374/FLAGa76daf041
[2025-01-09 07:07:07,526 INFO  L384              CDTParser]: Found 1 translation units.
[2025-01-09 07:07:07,527 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.5.prop1-back-serstep.c
[2025-01-09 07:07:07,548 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/69a04247a/26b3b67ce524416d99590e3dcac29374/FLAGa76daf041
[2025-01-09 07:07:07,605 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/69a04247a/26b3b67ce524416d99590e3dcac29374
[2025-01-09 07:07:07,608 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-01-09 07:07:07,610 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2025-01-09 07:07:07,610 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2025-01-09 07:07:07,610 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2025-01-09 07:07:07,613 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2025-01-09 07:07:07,614 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:07:07" (1/1) ...
[2025-01-09 07:07:07,614 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@194f688a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:07:07, skipping insertion in model container
[2025-01-09 07:07:07,614 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:07:07" (1/1) ...
[2025-01-09 07:07:07,683 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2025-01-09 07:07:07,872 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.5.prop1-back-serstep.c[1177,1190]
[2025-01-09 07:07:08,331 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-01-09 07:07:08,338 INFO  L200         MainTranslator]: Completed pre-run
[2025-01-09 07:07:08,345 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.5.prop1-back-serstep.c[1177,1190]
[2025-01-09 07:07:08,683 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-01-09 07:07:08,712 INFO  L204         MainTranslator]: Completed translation
[2025-01-09 07:07:08,717 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:07:08 WrapperNode
[2025-01-09 07:07:08,717 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2025-01-09 07:07:08,718 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2025-01-09 07:07:08,718 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2025-01-09 07:07:08,718 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2025-01-09 07:07:08,728 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:07:08" (1/1) ...
[2025-01-09 07:07:08,810 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:07:08" (1/1) ...
[2025-01-09 07:07:10,220 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 16527
[2025-01-09 07:07:10,220 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2025-01-09 07:07:10,225 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-01-09 07:07:10,225 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-01-09 07:07:10,225 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-01-09 07:07:10,236 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:07:08" (1/1) ...
[2025-01-09 07:07:10,236 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:07:08" (1/1) ...
[2025-01-09 07:07:10,634 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:07:08" (1/1) ...
[2025-01-09 07:07:10,875 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2025-01-09 07:07:10,876 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:07:08" (1/1) ...
[2025-01-09 07:07:10,876 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:07:08" (1/1) ...
[2025-01-09 07:07:11,357 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:07:08" (1/1) ...
[2025-01-09 07:07:11,424 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:07:08" (1/1) ...
[2025-01-09 07:07:11,519 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:07:08" (1/1) ...
[2025-01-09 07:07:11,665 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:07:08" (1/1) ...
[2025-01-09 07:07:11,735 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:07:08" (1/1) ...
[2025-01-09 07:07:11,921 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-01-09 07:07:11,923 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-01-09 07:07:11,923 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-01-09 07:07:11,923 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-01-09 07:07:11,924 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:07:08" (1/1) ...
[2025-01-09 07:07:11,928 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-01-09 07:07:11,939 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2025-01-09 07:07:11,954 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2025-01-09 07:07:11,960 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2025-01-09 07:07:11,978 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2025-01-09 07:07:11,978 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2025-01-09 07:07:11,978 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2025-01-09 07:07:11,978 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2025-01-09 07:07:12,602 INFO  L234             CfgBuilder]: Building ICFG
[2025-01-09 07:07:12,603 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-01-09 07:07:37,596 INFO  L?                        ?]: Removed 8298 outVars from TransFormulas that were not future-live.
[2025-01-09 07:07:37,596 INFO  L283             CfgBuilder]: Performing block encoding
[2025-01-09 07:07:37,683 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2025-01-09 07:07:37,686 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2025-01-09 07:07:37,686 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:07:37 BoogieIcfgContainer
[2025-01-09 07:07:37,686 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-01-09 07:07:37,688 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-01-09 07:07:37,688 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-01-09 07:07:37,691 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-01-09 07:07:37,692 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 07:07:07" (1/3) ...
[2025-01-09 07:07:37,692 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19e10ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:07:37, skipping insertion in model container
[2025-01-09 07:07:37,692 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:07:08" (2/3) ...
[2025-01-09 07:07:37,693 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19e10ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:07:37, skipping insertion in model container
[2025-01-09 07:07:37,693 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:07:37" (3/3) ...
[2025-01-09 07:07:37,694 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.collision.5.prop1-back-serstep.c
[2025-01-09 07:07:37,704 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-01-09 07:07:37,705 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.collision.5.prop1-back-serstep.c that has 1 procedures, 6102 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2025-01-09 07:07:37,828 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-01-09 07:07:37,837 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;@6d958319, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-01-09 07:07:37,838 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-01-09 07:07:37,858 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 6102 states, 6100 states have (on average 1.51) internal successors, (9211), 6101 states have internal predecessors, (9211), 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)
[2025-01-09 07:07:37,877 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 376
[2025-01-09 07:07:37,877 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:07:37,878 INFO  L218           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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-01-09 07:07:37,878 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:07:37,883 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:07:37,883 INFO  L85        PathProgramCache]: Analyzing trace with hash 1958296459, now seen corresponding path program 1 times
[2025-01-09 07:07:37,888 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:07:37,889 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897004274]
[2025-01-09 07:07:37,890 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:07:37,890 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:07:38,032 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 375 statements into 1 equivalence classes.
[2025-01-09 07:07:38,253 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 375 of 375 statements.
[2025-01-09 07:07:38,255 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:07:38,255 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:07:39,483 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 07:07:39,483 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:07:39,484 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897004274]
[2025-01-09 07:07:39,484 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897004274] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:07:39,484 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 07:07:39,484 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-01-09 07:07:39,485 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073905102]
[2025-01-09 07:07:39,485 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:07:39,488 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-01-09 07:07:39,488 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:07:39,502 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-01-09 07:07:39,503 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-01-09 07:07:39,514 INFO  L87              Difference]: Start difference. First operand  has 6102 states, 6100 states have (on average 1.51) internal successors, (9211), 6101 states have internal predecessors, (9211), 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 4 states, 4 states have (on average 93.75) internal successors, (375), 4 states have internal predecessors, (375), 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)
[2025-01-09 07:07:39,777 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:07:39,778 INFO  L93              Difference]: Finished difference Result 12025 states and 18157 transitions.
[2025-01-09 07:07:39,779 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-01-09 07:07:39,780 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 93.75) internal successors, (375), 4 states have internal predecessors, (375), 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 375
[2025-01-09 07:07:39,781 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 07:07:39,812 INFO  L225             Difference]: With dead ends: 12025
[2025-01-09 07:07:39,812 INFO  L226             Difference]: Without dead ends: 6101
[2025-01-09 07:07:39,822 INFO  L434           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
[2025-01-09 07:07:39,824 INFO  L435           NwaCegarLoop]: 9205 mSDtfsCounter, 0 mSDsluCounter, 18404 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27609 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-01-09 07:07:39,825 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27609 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-01-09 07:07:39,844 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6101 states.
[2025-01-09 07:07:39,960 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6101 to 6101.
[2025-01-09 07:07:39,971 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6101 states, 6100 states have (on average 1.509672131147541) internal successors, (9209), 6100 states have internal predecessors, (9209), 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)
[2025-01-09 07:07:39,993 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6101 states to 6101 states and 9209 transitions.
[2025-01-09 07:07:39,995 INFO  L78                 Accepts]: Start accepts. Automaton has 6101 states and 9209 transitions. Word has length 375
[2025-01-09 07:07:39,996 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 07:07:39,997 INFO  L471      AbstractCegarLoop]: Abstraction has 6101 states and 9209 transitions.
[2025-01-09 07:07:39,998 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 93.75) internal successors, (375), 4 states have internal predecessors, (375), 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)
[2025-01-09 07:07:39,998 INFO  L276                IsEmpty]: Start isEmpty. Operand 6101 states and 9209 transitions.
[2025-01-09 07:07:40,005 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 377
[2025-01-09 07:07:40,005 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:07:40,006 INFO  L218           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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-01-09 07:07:40,006 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2025-01-09 07:07:40,006 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:07:40,008 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:07:40,008 INFO  L85        PathProgramCache]: Analyzing trace with hash 579345643, now seen corresponding path program 1 times
[2025-01-09 07:07:40,008 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:07:40,009 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873615910]
[2025-01-09 07:07:40,009 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:07:40,009 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:07:40,117 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 376 statements into 1 equivalence classes.
[2025-01-09 07:07:40,217 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 376 of 376 statements.
[2025-01-09 07:07:40,218 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:07:40,218 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:07:40,938 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 07:07:40,939 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:07:40,939 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873615910]
[2025-01-09 07:07:40,939 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873615910] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:07:40,939 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 07:07:40,939 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-01-09 07:07:40,939 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811652887]
[2025-01-09 07:07:40,940 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:07:40,941 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-01-09 07:07:40,944 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:07:40,947 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-01-09 07:07:40,947 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-01-09 07:07:40,947 INFO  L87              Difference]: Start difference. First operand 6101 states and 9209 transitions. Second operand  has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 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)
[2025-01-09 07:07:41,288 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:07:41,288 INFO  L93              Difference]: Finished difference Result 12026 states and 18155 transitions.
[2025-01-09 07:07:41,289 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-01-09 07:07:41,289 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 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 376
[2025-01-09 07:07:41,290 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 07:07:41,309 INFO  L225             Difference]: With dead ends: 12026
[2025-01-09 07:07:41,309 INFO  L226             Difference]: Without dead ends: 6103
[2025-01-09 07:07:41,317 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-01-09 07:07:41,318 INFO  L435           NwaCegarLoop]: 9205 mSDtfsCounter, 0 mSDsluCounter, 18400 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27605 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-01-09 07:07:41,318 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27605 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-01-09 07:07:41,329 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6103 states.
[2025-01-09 07:07:41,461 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6103 to 6103.
[2025-01-09 07:07:41,482 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6103 states, 6102 states have (on average 1.5095050803015404) internal successors, (9211), 6102 states have internal predecessors, (9211), 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)
[2025-01-09 07:07:41,522 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6103 states to 6103 states and 9211 transitions.
[2025-01-09 07:07:41,522 INFO  L78                 Accepts]: Start accepts. Automaton has 6103 states and 9211 transitions. Word has length 376
[2025-01-09 07:07:41,523 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 07:07:41,524 INFO  L471      AbstractCegarLoop]: Abstraction has 6103 states and 9211 transitions.
[2025-01-09 07:07:41,524 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 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)
[2025-01-09 07:07:41,525 INFO  L276                IsEmpty]: Start isEmpty. Operand 6103 states and 9211 transitions.
[2025-01-09 07:07:41,532 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 378
[2025-01-09 07:07:41,532 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:07:41,532 INFO  L218           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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-01-09 07:07:41,532 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-01-09 07:07:41,533 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:07:41,534 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:07:41,535 INFO  L85        PathProgramCache]: Analyzing trace with hash -318117788, now seen corresponding path program 1 times
[2025-01-09 07:07:41,535 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:07:41,535 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228444643]
[2025-01-09 07:07:41,535 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:07:41,535 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:07:41,632 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 377 statements into 1 equivalence classes.
[2025-01-09 07:07:41,706 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 377 of 377 statements.
[2025-01-09 07:07:41,706 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:07:41,706 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:07:42,269 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 07:07:42,269 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:07:42,269 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228444643]
[2025-01-09 07:07:42,269 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228444643] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:07:42,269 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 07:07:42,270 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-01-09 07:07:42,270 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184048094]
[2025-01-09 07:07:42,270 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:07:42,271 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-01-09 07:07:42,272 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:07:42,272 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-01-09 07:07:42,273 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-01-09 07:07:42,273 INFO  L87              Difference]: Start difference. First operand 6103 states and 9211 transitions. Second operand  has 4 states, 4 states have (on average 94.25) internal successors, (377), 4 states have internal predecessors, (377), 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)
[2025-01-09 07:07:42,389 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:07:42,389 INFO  L93              Difference]: Finished difference Result 12030 states and 18159 transitions.
[2025-01-09 07:07:42,390 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-01-09 07:07:42,394 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 94.25) internal successors, (377), 4 states have internal predecessors, (377), 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 377
[2025-01-09 07:07:42,395 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 07:07:42,415 INFO  L225             Difference]: With dead ends: 12030
[2025-01-09 07:07:42,416 INFO  L226             Difference]: Without dead ends: 6105
[2025-01-09 07:07:42,425 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-01-09 07:07:42,426 INFO  L435           NwaCegarLoop]: 9205 mSDtfsCounter, 0 mSDsluCounter, 18400 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27605 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-01-09 07:07:42,426 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27605 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-01-09 07:07:42,436 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6105 states.
[2025-01-09 07:07:42,516 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6105 to 6105.
[2025-01-09 07:07:42,527 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6105 states, 6104 states have (on average 1.509338138925295) internal successors, (9213), 6104 states have internal predecessors, (9213), 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)
[2025-01-09 07:07:42,546 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6105 states to 6105 states and 9213 transitions.
[2025-01-09 07:07:42,546 INFO  L78                 Accepts]: Start accepts. Automaton has 6105 states and 9213 transitions. Word has length 377
[2025-01-09 07:07:42,548 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 07:07:42,548 INFO  L471      AbstractCegarLoop]: Abstraction has 6105 states and 9213 transitions.
[2025-01-09 07:07:42,549 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 94.25) internal successors, (377), 4 states have internal predecessors, (377), 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)
[2025-01-09 07:07:42,549 INFO  L276                IsEmpty]: Start isEmpty. Operand 6105 states and 9213 transitions.
[2025-01-09 07:07:42,553 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 379
[2025-01-09 07:07:42,553 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:07:42,554 INFO  L218           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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-01-09 07:07:42,554 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-01-09 07:07:42,554 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:07:42,554 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:07:42,555 INFO  L85        PathProgramCache]: Analyzing trace with hash -362827630, now seen corresponding path program 1 times
[2025-01-09 07:07:42,555 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:07:42,555 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656638427]
[2025-01-09 07:07:42,555 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:07:42,555 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:07:42,623 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 378 statements into 1 equivalence classes.
[2025-01-09 07:07:42,668 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 378 of 378 statements.
[2025-01-09 07:07:42,668 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:07:42,668 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:07:43,328 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 07:07:43,328 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:07:43,328 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656638427]
[2025-01-09 07:07:43,328 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656638427] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:07:43,328 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 07:07:43,329 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-01-09 07:07:43,329 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914319580]
[2025-01-09 07:07:43,329 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:07:43,329 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-01-09 07:07:43,329 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:07:43,330 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-01-09 07:07:43,330 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-01-09 07:07:43,330 INFO  L87              Difference]: Start difference. First operand 6105 states and 9213 transitions. Second operand  has 5 states, 5 states have (on average 75.6) internal successors, (378), 5 states have internal predecessors, (378), 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)
[2025-01-09 07:07:43,570 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:07:43,570 INFO  L93              Difference]: Finished difference Result 17945 states and 27088 transitions.
[2025-01-09 07:07:43,571 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-01-09 07:07:43,571 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 75.6) internal successors, (378), 5 states have internal predecessors, (378), 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 378
[2025-01-09 07:07:43,572 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 07:07:43,608 INFO  L225             Difference]: With dead ends: 17945
[2025-01-09 07:07:43,609 INFO  L226             Difference]: Without dead ends: 12018
[2025-01-09 07:07:43,621 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2025-01-09 07:07:43,622 INFO  L435           NwaCegarLoop]: 9203 mSDtfsCounter, 8821 mSDsluCounter, 27338 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8821 SdHoareTripleChecker+Valid, 36541 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-01-09 07:07:43,622 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [8821 Valid, 36541 Invalid, 22 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-01-09 07:07:43,640 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12018 states.
[2025-01-09 07:07:43,763 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12018 to 6661.
[2025-01-09 07:07:43,772 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6661 states, 6660 states have (on average 1.5085585585585586) internal successors, (10047), 6660 states have internal predecessors, (10047), 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)
[2025-01-09 07:07:43,789 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6661 states to 6661 states and 10047 transitions.
[2025-01-09 07:07:43,790 INFO  L78                 Accepts]: Start accepts. Automaton has 6661 states and 10047 transitions. Word has length 378
[2025-01-09 07:07:43,790 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 07:07:43,790 INFO  L471      AbstractCegarLoop]: Abstraction has 6661 states and 10047 transitions.
[2025-01-09 07:07:43,790 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 75.6) internal successors, (378), 5 states have internal predecessors, (378), 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)
[2025-01-09 07:07:43,790 INFO  L276                IsEmpty]: Start isEmpty. Operand 6661 states and 10047 transitions.
[2025-01-09 07:07:43,911 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3110
[2025-01-09 07:07:43,912 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:07:43,913 INFO  L218           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, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-01-09 07:07:43,913 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-01-09 07:07:43,913 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:07:43,914 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:07:43,915 INFO  L85        PathProgramCache]: Analyzing trace with hash -299653281, now seen corresponding path program 1 times
[2025-01-09 07:07:43,915 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:07:43,915 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968545241]
[2025-01-09 07:07:43,916 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:07:43,916 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:07:44,211 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3109 statements into 1 equivalence classes.
[2025-01-09 07:07:47,994 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3109 of 3109 statements.
[2025-01-09 07:07:47,995 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:07:47,995 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:07:52,669 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 07:07:52,670 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:07:52,671 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968545241]
[2025-01-09 07:07:52,671 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968545241] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:07:52,671 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 07:07:52,671 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-01-09 07:07:52,671 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891846416]
[2025-01-09 07:07:52,671 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:07:52,679 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-01-09 07:07:52,680 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:07:52,693 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-01-09 07:07:52,693 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-01-09 07:07:52,695 INFO  L87              Difference]: Start difference. First operand 6661 states and 10047 transitions. Second operand  has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 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)
[2025-01-09 07:07:52,911 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:07:52,912 INFO  L93              Difference]: Finished difference Result 12589 states and 18996 transitions.
[2025-01-09 07:07:52,912 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-01-09 07:07:52,914 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 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 3109
[2025-01-09 07:07:52,916 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 07:07:52,940 INFO  L225             Difference]: With dead ends: 12589
[2025-01-09 07:07:52,940 INFO  L226             Difference]: Without dead ends: 6662
[2025-01-09 07:07:52,950 INFO  L434           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
[2025-01-09 07:07:52,952 INFO  L435           NwaCegarLoop]: 9206 mSDtfsCounter, 0 mSDsluCounter, 9200 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18406 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-01-09 07:07:52,953 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18406 Invalid, 7 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-01-09 07:07:52,968 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6662 states.
[2025-01-09 07:07:53,151 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6662 to 6662.
[2025-01-09 07:07:53,170 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6662 states, 6661 states have (on average 1.5084822098783965) internal successors, (10048), 6661 states have internal predecessors, (10048), 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)
[2025-01-09 07:07:53,200 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6662 states to 6662 states and 10048 transitions.
[2025-01-09 07:07:53,204 INFO  L78                 Accepts]: Start accepts. Automaton has 6662 states and 10048 transitions. Word has length 3109
[2025-01-09 07:07:53,206 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 07:07:53,206 INFO  L471      AbstractCegarLoop]: Abstraction has 6662 states and 10048 transitions.
[2025-01-09 07:07:53,207 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 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)
[2025-01-09 07:07:53,207 INFO  L276                IsEmpty]: Start isEmpty. Operand 6662 states and 10048 transitions.
[2025-01-09 07:07:53,478 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3110
[2025-01-09 07:07:53,479 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:07:53,482 INFO  L218           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, 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, 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, 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, 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, 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, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-01-09 07:07:53,487 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-01-09 07:07:53,487 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:07:53,488 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:07:53,490 INFO  L85        PathProgramCache]: Analyzing trace with hash -1223079154, now seen corresponding path program 1 times
[2025-01-09 07:07:53,490 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:07:53,490 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060252789]
[2025-01-09 07:07:53,495 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:07:53,496 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:07:53,963 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3109 statements into 1 equivalence classes.
[2025-01-09 07:07:55,320 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3109 of 3109 statements.
[2025-01-09 07:07:55,321 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:07:55,321 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:07:59,630 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 07:07:59,631 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:07:59,631 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060252789]
[2025-01-09 07:07:59,631 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060252789] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:07:59,631 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 07:07:59,635 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-01-09 07:07:59,635 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885241478]
[2025-01-09 07:07:59,635 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:07:59,640 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-01-09 07:07:59,641 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:07:59,646 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-01-09 07:07:59,647 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-01-09 07:07:59,648 INFO  L87              Difference]: Start difference. First operand 6662 states and 10048 transitions. Second operand  has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 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)
[2025-01-09 07:07:59,735 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:07:59,735 INFO  L93              Difference]: Finished difference Result 12591 states and 18998 transitions.
[2025-01-09 07:07:59,736 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-01-09 07:07:59,737 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 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 3109
[2025-01-09 07:07:59,739 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 07:07:59,750 INFO  L225             Difference]: With dead ends: 12591
[2025-01-09 07:07:59,750 INFO  L226             Difference]: Without dead ends: 6663
[2025-01-09 07:07:59,760 INFO  L434           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
[2025-01-09 07:07:59,761 INFO  L435           NwaCegarLoop]: 9206 mSDtfsCounter, 0 mSDsluCounter, 9200 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18406 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-01-09 07:07:59,762 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18406 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-01-09 07:07:59,770 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6663 states.
[2025-01-09 07:07:59,852 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6663 to 6663.
[2025-01-09 07:07:59,859 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6663 states, 6662 states have (on average 1.5084058841188832) internal successors, (10049), 6662 states have internal predecessors, (10049), 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)
[2025-01-09 07:07:59,870 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6663 states to 6663 states and 10049 transitions.
[2025-01-09 07:07:59,870 INFO  L78                 Accepts]: Start accepts. Automaton has 6663 states and 10049 transitions. Word has length 3109
[2025-01-09 07:07:59,872 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 07:07:59,872 INFO  L471      AbstractCegarLoop]: Abstraction has 6663 states and 10049 transitions.
[2025-01-09 07:07:59,873 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 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)
[2025-01-09 07:07:59,873 INFO  L276                IsEmpty]: Start isEmpty. Operand 6663 states and 10049 transitions.
[2025-01-09 07:07:59,960 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3110
[2025-01-09 07:07:59,961 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:07:59,964 INFO  L218           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, 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, 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, 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, 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, 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, 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, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-01-09 07:07:59,966 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-01-09 07:07:59,966 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:07:59,967 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:07:59,968 INFO  L85        PathProgramCache]: Analyzing trace with hash 300096189, now seen corresponding path program 1 times
[2025-01-09 07:07:59,969 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:07:59,969 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349140005]
[2025-01-09 07:07:59,969 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:07:59,969 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:08:00,306 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3109 statements into 1 equivalence classes.
[2025-01-09 07:08:01,522 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3109 of 3109 statements.
[2025-01-09 07:08:01,523 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:08:01,523 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:08:04,793 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 07:08:04,793 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:08:04,793 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349140005]
[2025-01-09 07:08:04,793 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349140005] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:08:04,793 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 07:08:04,793 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-01-09 07:08:04,794 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986537168]
[2025-01-09 07:08:04,794 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:08:04,796 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-01-09 07:08:04,796 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:08:04,797 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-01-09 07:08:04,797 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-01-09 07:08:04,798 INFO  L87              Difference]: Start difference. First operand 6663 states and 10049 transitions. Second operand  has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 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)
[2025-01-09 07:08:04,852 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:08:04,852 INFO  L93              Difference]: Finished difference Result 12593 states and 19000 transitions.
[2025-01-09 07:08:04,853 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-01-09 07:08:04,854 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 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 3109
[2025-01-09 07:08:04,855 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 07:08:04,864 INFO  L225             Difference]: With dead ends: 12593
[2025-01-09 07:08:04,864 INFO  L226             Difference]: Without dead ends: 6664
[2025-01-09 07:08:04,870 INFO  L434           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
[2025-01-09 07:08:04,871 INFO  L435           NwaCegarLoop]: 9206 mSDtfsCounter, 0 mSDsluCounter, 9200 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18406 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-01-09 07:08:04,871 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18406 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-01-09 07:08:04,877 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6664 states.
[2025-01-09 07:08:04,933 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6664 to 6664.
[2025-01-09 07:08:04,940 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6664 states, 6663 states have (on average 1.5083295812696984) internal successors, (10050), 6663 states have internal predecessors, (10050), 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)
[2025-01-09 07:08:04,949 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6664 states to 6664 states and 10050 transitions.
[2025-01-09 07:08:04,950 INFO  L78                 Accepts]: Start accepts. Automaton has 6664 states and 10050 transitions. Word has length 3109
[2025-01-09 07:08:04,951 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 07:08:04,951 INFO  L471      AbstractCegarLoop]: Abstraction has 6664 states and 10050 transitions.
[2025-01-09 07:08:04,952 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 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)
[2025-01-09 07:08:04,953 INFO  L276                IsEmpty]: Start isEmpty. Operand 6664 states and 10050 transitions.
[2025-01-09 07:08:04,996 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3110
[2025-01-09 07:08:04,996 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:08:04,998 INFO  L218           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, 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, 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, 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, 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, 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, 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, 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[2025-01-09 07:08:04,998 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-01-09 07:08:04,998 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:08:04,999 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:08:05,000 INFO  L85        PathProgramCache]: Analyzing trace with hash 538435884, now seen corresponding path program 1 times
[2025-01-09 07:08:05,000 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:08:05,000 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192301052]
[2025-01-09 07:08:05,000 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:08:05,000 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:08:05,280 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3109 statements into 1 equivalence classes.
[2025-01-09 07:08:06,273 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3109 of 3109 statements.
[2025-01-09 07:08:06,273 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:08:06,273 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:08:09,816 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 07:08:09,816 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:08:09,817 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192301052]
[2025-01-09 07:08:09,817 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192301052] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:08:09,817 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 07:08:09,817 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-01-09 07:08:09,817 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604981059]
[2025-01-09 07:08:09,817 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:08:09,819 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-01-09 07:08:09,819 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:08:09,821 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-01-09 07:08:09,821 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-01-09 07:08:09,821 INFO  L87              Difference]: Start difference. First operand 6664 states and 10050 transitions. Second operand  has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 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)
[2025-01-09 07:08:09,879 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:08:09,881 INFO  L93              Difference]: Finished difference Result 12595 states and 19002 transitions.
[2025-01-09 07:08:09,881 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-01-09 07:08:09,882 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 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 3109
[2025-01-09 07:08:09,884 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 07:08:09,893 INFO  L225             Difference]: With dead ends: 12595
[2025-01-09 07:08:09,893 INFO  L226             Difference]: Without dead ends: 6665
[2025-01-09 07:08:09,899 INFO  L434           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
[2025-01-09 07:08:09,900 INFO  L435           NwaCegarLoop]: 9206 mSDtfsCounter, 0 mSDsluCounter, 9200 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18406 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-01-09 07:08:09,900 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18406 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-01-09 07:08:09,905 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6665 states.
[2025-01-09 07:08:09,956 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6665 to 6665.
[2025-01-09 07:08:09,964 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6665 states, 6664 states have (on average 1.5082533013205282) internal successors, (10051), 6664 states have internal predecessors, (10051), 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)
[2025-01-09 07:08:09,971 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6665 states to 6665 states and 10051 transitions.
[2025-01-09 07:08:09,971 INFO  L78                 Accepts]: Start accepts. Automaton has 6665 states and 10051 transitions. Word has length 3109
[2025-01-09 07:08:09,973 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 07:08:09,973 INFO  L471      AbstractCegarLoop]: Abstraction has 6665 states and 10051 transitions.
[2025-01-09 07:08:09,975 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 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)
[2025-01-09 07:08:09,975 INFO  L276                IsEmpty]: Start isEmpty. Operand 6665 states and 10051 transitions.
[2025-01-09 07:08:10,019 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3110
[2025-01-09 07:08:10,019 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:08:10,021 INFO  L218           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, 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, 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, 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, 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, 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, 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, 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[2025-01-09 07:08:10,021 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-01-09 07:08:10,021 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:08:10,022 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:08:10,023 INFO  L85        PathProgramCache]: Analyzing trace with hash 471718555, now seen corresponding path program 1 times
[2025-01-09 07:08:10,024 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:08:10,024 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909862108]
[2025-01-09 07:08:10,025 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:08:10,025 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:08:10,272 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3109 statements into 1 equivalence classes.
[2025-01-09 07:08:11,639 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3109 of 3109 statements.
[2025-01-09 07:08:11,639 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:08:11,639 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:08:16,023 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 07:08:16,023 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:08:16,023 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909862108]
[2025-01-09 07:08:16,023 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909862108] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:08:16,023 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 07:08:16,024 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-01-09 07:08:16,024 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984049796]
[2025-01-09 07:08:16,024 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:08:16,026 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-01-09 07:08:16,026 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:08:16,029 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-01-09 07:08:16,030 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-01-09 07:08:16,031 INFO  L87              Difference]: Start difference. First operand 6665 states and 10051 transitions. Second operand  has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 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)
[2025-01-09 07:08:16,112 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:08:16,113 INFO  L93              Difference]: Finished difference Result 12597 states and 19004 transitions.
[2025-01-09 07:08:16,113 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-01-09 07:08:16,114 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 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 3109
[2025-01-09 07:08:16,117 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 07:08:16,127 INFO  L225             Difference]: With dead ends: 12597
[2025-01-09 07:08:16,128 INFO  L226             Difference]: Without dead ends: 6666
[2025-01-09 07:08:16,135 INFO  L434           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
[2025-01-09 07:08:16,136 INFO  L435           NwaCegarLoop]: 9206 mSDtfsCounter, 0 mSDsluCounter, 9200 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18406 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-01-09 07:08:16,137 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18406 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-01-09 07:08:16,145 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6666 states.
[2025-01-09 07:08:16,217 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6666 to 6666.
[2025-01-09 07:08:16,225 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6666 states, 6665 states have (on average 1.5081770442610654) internal successors, (10052), 6665 states have internal predecessors, (10052), 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)
[2025-01-09 07:08:16,236 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6666 states to 6666 states and 10052 transitions.
[2025-01-09 07:08:16,236 INFO  L78                 Accepts]: Start accepts. Automaton has 6666 states and 10052 transitions. Word has length 3109
[2025-01-09 07:08:16,239 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 07:08:16,239 INFO  L471      AbstractCegarLoop]: Abstraction has 6666 states and 10052 transitions.
[2025-01-09 07:08:16,240 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 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)
[2025-01-09 07:08:16,240 INFO  L276                IsEmpty]: Start isEmpty. Operand 6666 states and 10052 transitions.
[2025-01-09 07:08:16,335 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3110
[2025-01-09 07:08:16,335 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:08:16,337 INFO  L218           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, 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, 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, 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, 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, 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, 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, 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[2025-01-09 07:08:16,337 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2025-01-09 07:08:16,337 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:08:16,341 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:08:16,343 INFO  L85        PathProgramCache]: Analyzing trace with hash -2015477556, now seen corresponding path program 1 times
[2025-01-09 07:08:16,343 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:08:16,343 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104170758]
[2025-01-09 07:08:16,344 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:08:16,344 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:08:16,709 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3109 statements into 1 equivalence classes.
[2025-01-09 07:08:17,943 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3109 of 3109 statements.
[2025-01-09 07:08:17,944 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:08:17,944 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:08:22,522 INFO  L134       CoverageAnalysis]: Checked inductivity of 284 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 07:08:22,522 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:08:22,522 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104170758]
[2025-01-09 07:08:22,522 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104170758] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:08:22,522 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 07:08:22,522 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2025-01-09 07:08:22,522 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180998369]
[2025-01-09 07:08:22,522 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:08:22,524 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2025-01-09 07:08:22,524 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:08:22,526 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2025-01-09 07:08:22,527 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2025-01-09 07:08:22,528 INFO  L87              Difference]: Start difference. First operand 6666 states and 10052 transitions. Second operand  has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 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)
[2025-01-09 07:08:22,652 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:08:22,657 INFO  L93              Difference]: Finished difference Result 12599 states and 19006 transitions.
[2025-01-09 07:08:22,657 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2025-01-09 07:08:22,658 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 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 3109
[2025-01-09 07:08:22,660 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.