./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.reader_writer.2.prop1-func-interl.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.reader_writer.2.prop1-func-interl.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 e9da64380f47890617fc4ad472069c1bd7b8c79b168e9d1d2018b4ba0fbfd33e
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-551b009-m
[2025-01-09 07:58:50,584 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-01-09 07:58:50,623 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2025-01-09 07:58:50,627 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-01-09 07:58:50,627 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-01-09 07:58:50,641 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-01-09 07:58:50,641 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-01-09 07:58:50,642 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-01-09 07:58:50,642 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2025-01-09 07:58:50,642 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2025-01-09 07:58:50,642 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-01-09 07:58:50,642 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-01-09 07:58:50,642 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-01-09 07:58:50,642 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-01-09 07:58:50,643 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-01-09 07:58:50,643 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2025-01-09 07:58:50,643 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2025-01-09 07:58:50,643 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2025-01-09 07:58:50,643 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2025-01-09 07:58:50,643 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2025-01-09 07:58:50,643 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2025-01-09 07:58:50,643 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2025-01-09 07:58:50,643 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2025-01-09 07:58:50,643 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2025-01-09 07:58:50,644 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2025-01-09 07:58:50,644 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2025-01-09 07:58:50,644 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-01-09 07:58:50,644 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-01-09 07:58:50,644 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-01-09 07:58:50,644 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-01-09 07:58:50,644 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-01-09 07:58:50,644 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-01-09 07:58:50,644 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-01-09 07:58:50,644 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-01-09 07:58:50,644 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-01-09 07:58:50,645 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-01-09 07:58:50,645 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-01-09 07:58:50,645 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2025-01-09 07:58:50,645 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2025-01-09 07:58:50,645 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-01-09 07:58:50,645 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-01-09 07:58:50,645 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2025-01-09 07:58:50,645 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-01-09 07:58:50,645 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2025-01-09 07:58:50,645 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-01-09 07:58:50,645 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 -> e9da64380f47890617fc4ad472069c1bd7b8c79b168e9d1d2018b4ba0fbfd33e
[2025-01-09 07:58:50,831 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-01-09 07:58:50,845 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-01-09 07:58:50,846 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-01-09 07:58:50,851 INFO  L270        PluginConnector]: Initializing CDTParser...
[2025-01-09 07:58:50,851 INFO  L274        PluginConnector]: CDTParser initialized
[2025-01-09 07:58:50,852 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.reader_writer.2.prop1-func-interl.c
[2025-01-09 07:58:52,025 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f7e335af1/f2a4b8d19e53419d995bb540c0dc1961/FLAGa69ca5b0e
[2025-01-09 07:58:52,485 INFO  L384              CDTParser]: Found 1 translation units.
[2025-01-09 07:58:52,486 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.reader_writer.2.prop1-func-interl.c
[2025-01-09 07:58:52,513 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f7e335af1/f2a4b8d19e53419d995bb540c0dc1961/FLAGa69ca5b0e
[2025-01-09 07:58:52,529 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f7e335af1/f2a4b8d19e53419d995bb540c0dc1961
[2025-01-09 07:58:52,532 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-01-09 07:58:52,534 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2025-01-09 07:58:52,535 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2025-01-09 07:58:52,538 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2025-01-09 07:58:52,541 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2025-01-09 07:58:52,542 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:58:52" (1/1) ...
[2025-01-09 07:58:52,544 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6981aeba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:58:52, skipping insertion in model container
[2025-01-09 07:58:52,544 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 07:58:52" (1/1) ...
[2025-01-09 07:58:52,614 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2025-01-09 07:58:52,791 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.reader_writer.2.prop1-func-interl.c[1180,1193]
[2025-01-09 07:58:53,220 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-01-09 07:58:53,230 INFO  L200         MainTranslator]: Completed pre-run
[2025-01-09 07:58:53,238 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.reader_writer.2.prop1-func-interl.c[1180,1193]
[2025-01-09 07:58:53,470 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-01-09 07:58:53,480 INFO  L204         MainTranslator]: Completed translation
[2025-01-09 07:58:53,481 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:58:53 WrapperNode
[2025-01-09 07:58:53,482 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2025-01-09 07:58:53,482 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2025-01-09 07:58:53,483 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2025-01-09 07:58:53,483 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2025-01-09 07:58:53,487 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:58:53" (1/1) ...
[2025-01-09 07:58:53,566 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:58:53" (1/1) ...
[2025-01-09 07:58:55,215 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 15869
[2025-01-09 07:58:55,216 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2025-01-09 07:58:55,225 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-01-09 07:58:55,226 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-01-09 07:58:55,226 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-01-09 07:58:55,240 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:58:53" (1/1) ...
[2025-01-09 07:58:55,241 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:58:53" (1/1) ...
[2025-01-09 07:58:55,705 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:58:53" (1/1) ...
[2025-01-09 07:58:56,072 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 07:58:56,073 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:58:53" (1/1) ...
[2025-01-09 07:58:56,073 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:58:53" (1/1) ...
[2025-01-09 07:58:56,568 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:58:53" (1/1) ...
[2025-01-09 07:58:56,619 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:58:53" (1/1) ...
[2025-01-09 07:58:56,729 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:58:53" (1/1) ...
[2025-01-09 07:58:56,937 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:58:53" (1/1) ...
[2025-01-09 07:58:57,062 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:58:53" (1/1) ...
[2025-01-09 07:58:57,296 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-01-09 07:58:57,298 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-01-09 07:58:57,298 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-01-09 07:58:57,298 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-01-09 07:58:57,299 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:58:53" (1/1) ...
[2025-01-09 07:58:57,302 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-01-09 07:58:57,313 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2025-01-09 07:58:57,324 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 07:58:57,331 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 07:58:57,348 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2025-01-09 07:58:57,348 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2025-01-09 07:58:57,348 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2025-01-09 07:58:57,348 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2025-01-09 07:58:58,009 INFO  L234             CfgBuilder]: Building ICFG
[2025-01-09 07:58:58,011 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-01-09 07:59:19,776 INFO  L?                        ?]: Removed 8642 outVars from TransFormulas that were not future-live.
[2025-01-09 07:59:19,777 INFO  L283             CfgBuilder]: Performing block encoding
[2025-01-09 07:59:19,836 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2025-01-09 07:59:19,836 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2025-01-09 07:59:19,836 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:59:19 BoogieIcfgContainer
[2025-01-09 07:59:19,836 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-01-09 07:59:19,841 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-01-09 07:59:19,841 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-01-09 07:59:19,845 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-01-09 07:59:19,845 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 07:58:52" (1/3) ...
[2025-01-09 07:59:19,845 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a1b312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:59:19, skipping insertion in model container
[2025-01-09 07:59:19,845 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 07:58:53" (2/3) ...
[2025-01-09 07:59:19,845 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a1b312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 07:59:19, skipping insertion in model container
[2025-01-09 07:59:19,845 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 07:59:19" (3/3) ...
[2025-01-09 07:59:19,846 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.reader_writer.2.prop1-func-interl.c
[2025-01-09 07:59:19,855 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-01-09 07:59:19,857 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.reader_writer.2.prop1-func-interl.c that has 1 procedures, 5842 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2025-01-09 07:59:19,968 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-01-09 07:59:19,977 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@e14aed0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-01-09 07:59:19,978 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-01-09 07:59:19,994 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 5842 states, 5840 states have (on average 1.4998287671232877) internal successors, (8759), 5841 states have internal predecessors, (8759), 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 07:59:20,009 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 196
[2025-01-09 07:59:20,009 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:59:20,010 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]
[2025-01-09 07:59:20,011 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:59:20,015 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:59:20,016 INFO  L85        PathProgramCache]: Analyzing trace with hash -254106457, now seen corresponding path program 1 times
[2025-01-09 07:59:20,023 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:59:20,023 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162075737]
[2025-01-09 07:59:20,023 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:59:20,024 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:59:20,140 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes.
[2025-01-09 07:59:20,252 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements.
[2025-01-09 07:59:20,252 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:59:20,252 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:59:20,932 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 07:59:20,932 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:59:20,933 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162075737]
[2025-01-09 07:59:20,933 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162075737] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:59:20,933 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 07:59:20,933 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-01-09 07:59:20,935 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590612691]
[2025-01-09 07:59:20,935 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:59:20,938 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-01-09 07:59:20,939 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:59:20,953 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-01-09 07:59:20,954 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-01-09 07:59:20,966 INFO  L87              Difference]: Start difference. First operand  has 5842 states, 5840 states have (on average 1.4998287671232877) internal successors, (8759), 5841 states have internal predecessors, (8759), 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 48.75) internal successors, (195), 4 states have internal predecessors, (195), 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 07:59:21,201 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:59:21,202 INFO  L93              Difference]: Finished difference Result 11505 states and 17253 transitions.
[2025-01-09 07:59:21,203 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-01-09 07:59:21,204 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 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 195
[2025-01-09 07:59:21,204 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 07:59:21,237 INFO  L225             Difference]: With dead ends: 11505
[2025-01-09 07:59:21,238 INFO  L226             Difference]: Without dead ends: 5841
[2025-01-09 07:59:21,252 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 07:59:21,255 INFO  L435           NwaCegarLoop]: 8753 mSDtfsCounter, 0 mSDsluCounter, 17500 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26253 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-01-09 07:59:21,256 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26253 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-01-09 07:59:21,278 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5841 states.
[2025-01-09 07:59:21,404 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5841 to 5841.
[2025-01-09 07:59:21,412 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5841 states, 5840 states have (on average 1.499486301369863) internal successors, (8757), 5840 states have internal predecessors, (8757), 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 07:59:21,429 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5841 states to 5841 states and 8757 transitions.
[2025-01-09 07:59:21,430 INFO  L78                 Accepts]: Start accepts. Automaton has 5841 states and 8757 transitions. Word has length 195
[2025-01-09 07:59:21,432 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 07:59:21,432 INFO  L471      AbstractCegarLoop]: Abstraction has 5841 states and 8757 transitions.
[2025-01-09 07:59:21,432 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 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 07:59:21,433 INFO  L276                IsEmpty]: Start isEmpty. Operand 5841 states and 8757 transitions.
[2025-01-09 07:59:21,436 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 197
[2025-01-09 07:59:21,438 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:59:21,438 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]
[2025-01-09 07:59:21,438 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2025-01-09 07:59:21,438 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:59:21,439 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:59:21,439 INFO  L85        PathProgramCache]: Analyzing trace with hash 714330813, now seen corresponding path program 1 times
[2025-01-09 07:59:21,439 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:59:21,439 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846714259]
[2025-01-09 07:59:21,439 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:59:21,439 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:59:21,496 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes.
[2025-01-09 07:59:21,527 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements.
[2025-01-09 07:59:21,529 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:59:21,529 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:59:21,879 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 07:59:21,880 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:59:21,880 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846714259]
[2025-01-09 07:59:21,880 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846714259] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:59:21,880 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 07:59:21,880 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-01-09 07:59:21,881 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331213977]
[2025-01-09 07:59:21,881 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:59:21,881 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-01-09 07:59:21,883 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:59:21,883 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-01-09 07:59:21,883 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-01-09 07:59:21,884 INFO  L87              Difference]: Start difference. First operand 5841 states and 8757 transitions. Second operand  has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 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 07:59:22,015 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:59:22,016 INFO  L93              Difference]: Finished difference Result 11506 states and 17251 transitions.
[2025-01-09 07:59:22,017 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-01-09 07:59:22,017 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 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 196
[2025-01-09 07:59:22,017 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 07:59:22,035 INFO  L225             Difference]: With dead ends: 11506
[2025-01-09 07:59:22,035 INFO  L226             Difference]: Without dead ends: 5843
[2025-01-09 07:59:22,042 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 07:59:22,043 INFO  L435           NwaCegarLoop]: 8753 mSDtfsCounter, 0 mSDsluCounter, 17496 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26249 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 07:59:22,043 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26249 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-01-09 07:59:22,050 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5843 states.
[2025-01-09 07:59:22,115 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5843 to 5843.
[2025-01-09 07:59:22,124 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5843 states, 5842 states have (on average 1.499315302978432) internal successors, (8759), 5842 states have internal predecessors, (8759), 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 07:59:22,140 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5843 states to 5843 states and 8759 transitions.
[2025-01-09 07:59:22,140 INFO  L78                 Accepts]: Start accepts. Automaton has 5843 states and 8759 transitions. Word has length 196
[2025-01-09 07:59:22,141 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 07:59:22,141 INFO  L471      AbstractCegarLoop]: Abstraction has 5843 states and 8759 transitions.
[2025-01-09 07:59:22,141 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 49.0) internal successors, (196), 4 states have internal predecessors, (196), 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 07:59:22,141 INFO  L276                IsEmpty]: Start isEmpty. Operand 5843 states and 8759 transitions.
[2025-01-09 07:59:22,143 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 198
[2025-01-09 07:59:22,143 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:59:22,143 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]
[2025-01-09 07:59:22,143 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-01-09 07:59:22,143 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:59:22,143 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:59:22,144 INFO  L85        PathProgramCache]: Analyzing trace with hash -428545984, now seen corresponding path program 1 times
[2025-01-09 07:59:22,144 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:59:22,144 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253012118]
[2025-01-09 07:59:22,144 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:59:22,144 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:59:22,186 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 197 statements into 1 equivalence classes.
[2025-01-09 07:59:22,202 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 197 of 197 statements.
[2025-01-09 07:59:22,202 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:59:22,203 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:59:22,402 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 07:59:22,404 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:59:22,404 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253012118]
[2025-01-09 07:59:22,404 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253012118] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:59:22,404 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 07:59:22,404 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-01-09 07:59:22,404 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644639884]
[2025-01-09 07:59:22,404 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:59:22,405 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-01-09 07:59:22,405 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:59:22,405 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-01-09 07:59:22,405 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-01-09 07:59:22,405 INFO  L87              Difference]: Start difference. First operand 5843 states and 8759 transitions. Second operand  has 4 states, 4 states have (on average 49.25) internal successors, (197), 4 states have internal predecessors, (197), 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 07:59:22,528 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:59:22,528 INFO  L93              Difference]: Finished difference Result 11510 states and 17255 transitions.
[2025-01-09 07:59:22,528 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-01-09 07:59:22,529 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 49.25) internal successors, (197), 4 states have internal predecessors, (197), 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 197
[2025-01-09 07:59:22,529 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 07:59:22,548 INFO  L225             Difference]: With dead ends: 11510
[2025-01-09 07:59:22,548 INFO  L226             Difference]: Without dead ends: 5845
[2025-01-09 07:59:22,554 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 07:59:22,557 INFO  L435           NwaCegarLoop]: 8753 mSDtfsCounter, 0 mSDsluCounter, 17490 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26243 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-01-09 07:59:22,557 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26243 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-01-09 07:59:22,565 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5845 states.
[2025-01-09 07:59:22,631 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5845 to 5845.
[2025-01-09 07:59:22,648 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5845 states, 5844 states have (on average 1.4991444216290213) internal successors, (8761), 5844 states have internal predecessors, (8761), 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 07:59:22,663 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5845 states to 5845 states and 8761 transitions.
[2025-01-09 07:59:22,664 INFO  L78                 Accepts]: Start accepts. Automaton has 5845 states and 8761 transitions. Word has length 197
[2025-01-09 07:59:22,664 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 07:59:22,664 INFO  L471      AbstractCegarLoop]: Abstraction has 5845 states and 8761 transitions.
[2025-01-09 07:59:22,665 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 49.25) internal successors, (197), 4 states have internal predecessors, (197), 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 07:59:22,665 INFO  L276                IsEmpty]: Start isEmpty. Operand 5845 states and 8761 transitions.
[2025-01-09 07:59:22,666 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 199
[2025-01-09 07:59:22,666 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:59:22,666 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]
[2025-01-09 07:59:22,667 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-01-09 07:59:22,667 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:59:22,667 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:59:22,667 INFO  L85        PathProgramCache]: Analyzing trace with hash 508864420, now seen corresponding path program 1 times
[2025-01-09 07:59:22,667 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:59:22,667 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395369001]
[2025-01-09 07:59:22,667 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:59:22,668 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:59:22,720 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 198 statements into 1 equivalence classes.
[2025-01-09 07:59:22,739 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 198 of 198 statements.
[2025-01-09 07:59:22,739 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:59:22,740 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:59:22,989 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 07:59:22,989 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:59:22,989 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395369001]
[2025-01-09 07:59:22,990 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395369001] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:59:22,990 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 07:59:22,990 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-01-09 07:59:22,990 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391138978]
[2025-01-09 07:59:22,990 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:59:22,990 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-01-09 07:59:22,991 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:59:22,991 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-01-09 07:59:22,991 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-01-09 07:59:22,992 INFO  L87              Difference]: Start difference. First operand 5845 states and 8761 transitions. Second operand  has 5 states, 5 states have (on average 39.6) internal successors, (198), 5 states have internal predecessors, (198), 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 07:59:23,216 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:59:23,216 INFO  L93              Difference]: Finished difference Result 16721 states and 25066 transitions.
[2025-01-09 07:59:23,217 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-01-09 07:59:23,217 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 39.6) internal successors, (198), 5 states have internal predecessors, (198), 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 198
[2025-01-09 07:59:23,218 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 07:59:23,253 INFO  L225             Difference]: With dead ends: 16721
[2025-01-09 07:59:23,254 INFO  L226             Difference]: Without dead ends: 11054
[2025-01-09 07:59:23,263 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 07:59:23,264 INFO  L435           NwaCegarLoop]: 8749 mSDtfsCounter, 7889 mSDsluCounter, 25976 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7889 SdHoareTripleChecker+Valid, 34725 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-01-09 07:59:23,264 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [7889 Valid, 34725 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-01-09 07:59:23,278 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11054 states.
[2025-01-09 07:59:23,361 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11054 to 6041.
[2025-01-09 07:59:23,368 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6041 states, 6040 states have (on average 1.4991721854304636) internal successors, (9055), 6040 states have internal predecessors, (9055), 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 07:59:23,381 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6041 states to 6041 states and 9055 transitions.
[2025-01-09 07:59:23,381 INFO  L78                 Accepts]: Start accepts. Automaton has 6041 states and 9055 transitions. Word has length 198
[2025-01-09 07:59:23,381 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 07:59:23,381 INFO  L471      AbstractCegarLoop]: Abstraction has 6041 states and 9055 transitions.
[2025-01-09 07:59:23,382 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 39.6) internal successors, (198), 5 states have internal predecessors, (198), 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 07:59:23,382 INFO  L276                IsEmpty]: Start isEmpty. Operand 6041 states and 9055 transitions.
[2025-01-09 07:59:23,461 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3030
[2025-01-09 07:59:23,461 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:59:23,463 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:59:23,463 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-01-09 07:59:23,463 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:59:23,465 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:59:23,465 INFO  L85        PathProgramCache]: Analyzing trace with hash -1237480882, now seen corresponding path program 1 times
[2025-01-09 07:59:23,466 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:59:23,466 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601827993]
[2025-01-09 07:59:23,466 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:59:23,466 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:59:23,745 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3029 statements into 1 equivalence classes.
[2025-01-09 07:59:34,700 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3029 of 3029 statements.
[2025-01-09 07:59:34,701 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:59:34,701 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:59:41,941 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 6 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 07:59:41,941 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:59:41,941 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601827993]
[2025-01-09 07:59:41,941 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601827993] provided 0 perfect and 1 imperfect interpolant sequences
[2025-01-09 07:59:41,941 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472856232]
[2025-01-09 07:59:41,942 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:59:41,942 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-01-09 07:59:41,942 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2025-01-09 07:59:41,944 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-01-09 07:59:41,947 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2025-01-09 07:59:43,410 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3029 statements into 1 equivalence classes.
[2025-01-09 07:59:44,753 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3029 of 3029 statements.
[2025-01-09 07:59:44,753 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:59:44,753 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:59:44,821 INFO  L256         TraceCheckSpWp]: Trace formula consists of 12223 conjuncts, 21 conjuncts are in the unsatisfiable core
[2025-01-09 07:59:44,902 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-01-09 07:59:47,225 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 07:59:47,225 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2025-01-09 07:59:47,226 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [472856232] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 07:59:47,226 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2025-01-09 07:59:47,226 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14
[2025-01-09 07:59:47,226 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681050553]
[2025-01-09 07:59:47,226 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 07:59:47,230 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2025-01-09 07:59:47,230 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 07:59:47,232 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2025-01-09 07:59:47,233 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182
[2025-01-09 07:59:47,234 INFO  L87              Difference]: Start difference. First operand 6041 states and 9055 transitions. Second operand  has 9 states, 9 states have (on average 336.55555555555554) internal successors, (3029), 9 states have internal predecessors, (3029), 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 07:59:47,719 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 07:59:47,719 INFO  L93              Difference]: Finished difference Result 16954 states and 25415 transitions.
[2025-01-09 07:59:47,719 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2025-01-09 07:59:47,720 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 336.55555555555554) internal successors, (3029), 9 states have internal predecessors, (3029), 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 3029
[2025-01-09 07:59:47,726 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 07:59:47,745 INFO  L225             Difference]: With dead ends: 16954
[2025-01-09 07:59:47,745 INFO  L226             Difference]: Without dead ends: 11287
[2025-01-09 07:59:47,752 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3039 GetRequests, 3024 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272
[2025-01-09 07:59:47,753 INFO  L435           NwaCegarLoop]: 16544 mSDtfsCounter, 11356 mSDsluCounter, 91434 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11356 SdHoareTripleChecker+Valid, 107978 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-01-09 07:59:47,753 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11356 Valid, 107978 Invalid, 140 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-01-09 07:59:47,767 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11287 states.
[2025-01-09 07:59:47,868 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11287 to 6078.
[2025-01-09 07:59:47,876 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6078 states, 6077 states have (on average 1.4990949481652132) internal successors, (9110), 6077 states have internal predecessors, (9110), 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 07:59:47,885 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6078 states to 6078 states and 9110 transitions.
[2025-01-09 07:59:47,887 INFO  L78                 Accepts]: Start accepts. Automaton has 6078 states and 9110 transitions. Word has length 3029
[2025-01-09 07:59:47,892 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 07:59:47,892 INFO  L471      AbstractCegarLoop]: Abstraction has 6078 states and 9110 transitions.
[2025-01-09 07:59:47,893 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 336.55555555555554) internal successors, (3029), 9 states have internal predecessors, (3029), 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 07:59:47,893 INFO  L276                IsEmpty]: Start isEmpty. Operand 6078 states and 9110 transitions.
[2025-01-09 07:59:47,936 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3031
[2025-01-09 07:59:47,936 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 07:59:47,937 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:59:47,974 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2025-01-09 07:59:48,142 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-01-09 07:59:48,143 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 07:59:48,144 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 07:59:48,145 INFO  L85        PathProgramCache]: Analyzing trace with hash -2036838264, now seen corresponding path program 1 times
[2025-01-09 07:59:48,145 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 07:59:48,145 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64000169]
[2025-01-09 07:59:48,146 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:59:48,146 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 07:59:48,372 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3030 statements into 1 equivalence classes.
[2025-01-09 07:59:54,779 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3030 of 3030 statements.
[2025-01-09 07:59:54,780 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 07:59:54,780 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 07:59:59,611 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 6 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 07:59:59,612 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 07:59:59,612 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64000169]
[2025-01-09 07:59:59,612 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64000169] provided 0 perfect and 1 imperfect interpolant sequences
[2025-01-09 07:59:59,612 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551712737]
[2025-01-09 07:59:59,612 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 07:59:59,612 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-01-09 07:59:59,613 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2025-01-09 07:59:59,615 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-01-09 07:59:59,616 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2025-01-09 08:00:01,218 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3030 statements into 1 equivalence classes.
[2025-01-09 08:00:05,979 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3030 of 3030 statements.
[2025-01-09 08:00:05,979 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 08:00:05,979 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 08:00:06,049 INFO  L256         TraceCheckSpWp]: Trace formula consists of 12226 conjuncts, 10 conjuncts are in the unsatisfiable core
[2025-01-09 08:00:06,109 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-01-09 08:00:11,043 INFO  L134       CoverageAnalysis]: Checked inductivity of 104 backedges. 6 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-01-09 08:00:11,043 INFO  L312         TraceCheckSpWp]: Computing backward predicates...