./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.4.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.rether.4.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 e0d18f00658ab0fedac45f9f434f86363c578f5508a8a08bab45ae26de54ee8f
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-551b009-m
[2025-01-09 08:01:08,215 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-01-09 08:01:08,283 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2025-01-09 08:01:08,287 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-01-09 08:01:08,290 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-01-09 08:01:08,307 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-01-09 08:01:08,308 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-01-09 08:01:08,308 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-01-09 08:01:08,308 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2025-01-09 08:01:08,308 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2025-01-09 08:01:08,308 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-01-09 08:01:08,308 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-01-09 08:01:08,308 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-01-09 08:01:08,308 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-01-09 08:01:08,309 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-01-09 08:01:08,309 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2025-01-09 08:01:08,309 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2025-01-09 08:01:08,309 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2025-01-09 08:01:08,309 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2025-01-09 08:01:08,309 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2025-01-09 08:01:08,309 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2025-01-09 08:01:08,309 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2025-01-09 08:01:08,309 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2025-01-09 08:01:08,309 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2025-01-09 08:01:08,309 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2025-01-09 08:01:08,309 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2025-01-09 08:01:08,310 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-01-09 08:01:08,310 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-01-09 08:01:08,310 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-01-09 08:01:08,310 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-01-09 08:01:08,310 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-01-09 08:01:08,310 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-01-09 08:01:08,310 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2025-01-09 08:01:08,310 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-01-09 08:01:08,310 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-01-09 08:01:08,310 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-01-09 08:01:08,310 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-01-09 08:01:08,313 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2025-01-09 08:01:08,313 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2025-01-09 08:01:08,313 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-01-09 08:01:08,313 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-01-09 08:01:08,313 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2025-01-09 08:01:08,313 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-01-09 08:01:08,313 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2025-01-09 08:01:08,313 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-01-09 08:01:08,314 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 -> e0d18f00658ab0fedac45f9f434f86363c578f5508a8a08bab45ae26de54ee8f
[2025-01-09 08:01:08,573 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-01-09 08:01:08,581 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-01-09 08:01:08,583 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-01-09 08:01:08,584 INFO  L270        PluginConnector]: Initializing CDTParser...
[2025-01-09 08:01:08,584 INFO  L274        PluginConnector]: CDTParser initialized
[2025-01-09 08:01:08,585 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.4.prop1-func-interl.c
[2025-01-09 08:01:09,708 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4abb0d22f/8338cc1f556649c89fc6a4efc93001c9/FLAGcc4807675
[2025-01-09 08:01:10,168 INFO  L384              CDTParser]: Found 1 translation units.
[2025-01-09 08:01:10,169 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rether.4.prop1-func-interl.c
[2025-01-09 08:01:10,212 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4abb0d22f/8338cc1f556649c89fc6a4efc93001c9/FLAGcc4807675
[2025-01-09 08:01:10,270 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4abb0d22f/8338cc1f556649c89fc6a4efc93001c9
[2025-01-09 08:01:10,272 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-01-09 08:01:10,273 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2025-01-09 08:01:10,274 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2025-01-09 08:01:10,274 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2025-01-09 08:01:10,277 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2025-01-09 08:01:10,277 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:01:10" (1/1) ...
[2025-01-09 08:01:10,278 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c453938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:01:10, skipping insertion in model container
[2025-01-09 08:01:10,278 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 08:01:10" (1/1) ...
[2025-01-09 08:01:10,360 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2025-01-09 08:01:10,603 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.rether.4.prop1-func-interl.c[1173,1186]
[2025-01-09 08:01:11,257 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-01-09 08:01:11,266 INFO  L200         MainTranslator]: Completed pre-run
[2025-01-09 08:01:11,273 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.rether.4.prop1-func-interl.c[1173,1186]
[2025-01-09 08:01:11,845 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2025-01-09 08:01:11,856 INFO  L204         MainTranslator]: Completed translation
[2025-01-09 08:01:11,858 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:01:11 WrapperNode
[2025-01-09 08:01:11,858 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2025-01-09 08:01:11,860 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2025-01-09 08:01:11,860 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2025-01-09 08:01:11,860 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2025-01-09 08:01:11,864 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:01:11" (1/1) ...
[2025-01-09 08:01:12,025 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:01:11" (1/1) ...
[2025-01-09 08:01:14,487 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 28933
[2025-01-09 08:01:14,488 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2025-01-09 08:01:14,489 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-01-09 08:01:14,489 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-01-09 08:01:14,489 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-01-09 08:01:14,497 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:01:11" (1/1) ...
[2025-01-09 08:01:14,497 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:01:11" (1/1) ...
[2025-01-09 08:01:15,753 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:01:11" (1/1) ...
[2025-01-09 08:01:15,978 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 08:01:15,979 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:01:11" (1/1) ...
[2025-01-09 08:01:15,979 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:01:11" (1/1) ...
[2025-01-09 08:01:16,851 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:01:11" (1/1) ...
[2025-01-09 08:01:16,961 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:01:11" (1/1) ...
[2025-01-09 08:01:17,090 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:01:11" (1/1) ...
[2025-01-09 08:01:17,229 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:01:11" (1/1) ...
[2025-01-09 08:01:17,329 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:01:11" (1/1) ...
[2025-01-09 08:01:17,718 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-01-09 08:01:17,721 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-01-09 08:01:17,721 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-01-09 08:01:17,721 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-01-09 08:01:17,722 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:01:11" (1/1) ...
[2025-01-09 08:01:17,726 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2025-01-09 08:01:17,735 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2025-01-09 08:01:17,758 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 08:01:17,763 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 08:01:17,776 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2025-01-09 08:01:17,776 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2025-01-09 08:01:17,776 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2025-01-09 08:01:17,776 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2025-01-09 08:01:19,025 INFO  L234             CfgBuilder]: Building ICFG
[2025-01-09 08:01:19,027 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-01-09 08:02:35,479 INFO  L?                        ?]: Removed 16345 outVars from TransFormulas that were not future-live.
[2025-01-09 08:02:35,479 INFO  L283             CfgBuilder]: Performing block encoding
[2025-01-09 08:02:35,596 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2025-01-09 08:02:35,597 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2025-01-09 08:02:35,597 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:02:35 BoogieIcfgContainer
[2025-01-09 08:02:35,597 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-01-09 08:02:35,600 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-01-09 08:02:35,600 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-01-09 08:02:35,603 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-01-09 08:02:35,604 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 08:01:10" (1/3) ...
[2025-01-09 08:02:35,604 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c04f774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:02:35, skipping insertion in model container
[2025-01-09 08:02:35,605 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 08:01:11" (2/3) ...
[2025-01-09 08:02:35,605 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c04f774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 08:02:35, skipping insertion in model container
[2025-01-09 08:02:35,605 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 08:02:35" (3/3) ...
[2025-01-09 08:02:35,606 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.rether.4.prop1-func-interl.c
[2025-01-09 08:02:35,618 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-01-09 08:02:35,620 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.rether.4.prop1-func-interl.c that has 1 procedures, 10266 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2025-01-09 08:02:35,776 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-01-09 08:02:35,786 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;@2ea23fbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-01-09 08:02:35,786 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-01-09 08:02:35,811 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 10266 states, 10264 states have (on average 1.5000974279033514) internal successors, (15397), 10265 states have internal predecessors, (15397), 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 08:02:35,832 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 394
[2025-01-09 08:02:35,832 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 08:02:35,833 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-01-09 08:02:35,833 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 08:02:35,837 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 08:02:35,838 INFO  L85        PathProgramCache]: Analyzing trace with hash 834184660, now seen corresponding path program 1 times
[2025-01-09 08:02:35,842 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 08:02:35,845 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194364294]
[2025-01-09 08:02:35,845 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 08:02:35,845 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 08:02:36,018 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 393 statements into 1 equivalence classes.
[2025-01-09 08:02:36,201 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 393 of 393 statements.
[2025-01-09 08:02:36,202 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 08:02:36,202 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 08:02:37,484 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 08:02:37,484 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 08:02:37,485 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194364294]
[2025-01-09 08:02:37,485 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194364294] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 08:02:37,485 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 08:02:37,486 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-01-09 08:02:37,487 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155823322]
[2025-01-09 08:02:37,487 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 08:02:37,491 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-01-09 08:02:37,492 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 08:02:37,507 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-01-09 08:02:37,508 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-01-09 08:02:37,524 INFO  L87              Difference]: Start difference. First operand  has 10266 states, 10264 states have (on average 1.5000974279033514) internal successors, (15397), 10265 states have internal predecessors, (15397), 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 98.25) internal successors, (393), 4 states have internal predecessors, (393), 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 08:02:37,890 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 08:02:37,892 INFO  L93              Difference]: Finished difference Result 20069 states and 30103 transitions.
[2025-01-09 08:02:37,893 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-01-09 08:02:37,894 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 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 393
[2025-01-09 08:02:37,895 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 08:02:37,947 INFO  L225             Difference]: With dead ends: 20069
[2025-01-09 08:02:37,947 INFO  L226             Difference]: Without dead ends: 10265
[2025-01-09 08:02:37,967 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 08:02:37,973 INFO  L435           NwaCegarLoop]: 15391 mSDtfsCounter, 0 mSDsluCounter, 30776 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46167 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 08:02:37,973 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46167 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-01-09 08:02:38,000 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10265 states.
[2025-01-09 08:02:38,209 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10265 to 10265.
[2025-01-09 08:02:38,229 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10265 states, 10264 states have (on average 1.4999025720966486) internal successors, (15395), 10264 states have internal predecessors, (15395), 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 08:02:38,264 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10265 states to 10265 states and 15395 transitions.
[2025-01-09 08:02:38,266 INFO  L78                 Accepts]: Start accepts. Automaton has 10265 states and 15395 transitions. Word has length 393
[2025-01-09 08:02:38,268 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 08:02:38,270 INFO  L471      AbstractCegarLoop]: Abstraction has 10265 states and 15395 transitions.
[2025-01-09 08:02:38,271 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 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 08:02:38,271 INFO  L276                IsEmpty]: Start isEmpty. Operand 10265 states and 15395 transitions.
[2025-01-09 08:02:38,280 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 395
[2025-01-09 08:02:38,280 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 08:02:38,281 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-01-09 08:02:38,282 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2025-01-09 08:02:38,282 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 08:02:38,283 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 08:02:38,283 INFO  L85        PathProgramCache]: Analyzing trace with hash 91618359, now seen corresponding path program 1 times
[2025-01-09 08:02:38,283 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 08:02:38,283 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138977410]
[2025-01-09 08:02:38,283 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 08:02:38,284 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 08:02:38,375 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 394 statements into 1 equivalence classes.
[2025-01-09 08:02:38,421 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 394 of 394 statements.
[2025-01-09 08:02:38,421 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 08:02:38,422 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 08:02:38,792 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 08:02:38,793 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 08:02:38,793 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138977410]
[2025-01-09 08:02:38,793 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138977410] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 08:02:38,793 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 08:02:38,793 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-01-09 08:02:38,793 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982926384]
[2025-01-09 08:02:38,793 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 08:02:38,794 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-01-09 08:02:38,794 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 08:02:38,794 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-01-09 08:02:38,794 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-01-09 08:02:38,794 INFO  L87              Difference]: Start difference. First operand 10265 states and 15395 transitions. Second operand  has 4 states, 4 states have (on average 98.5) internal successors, (394), 4 states have internal predecessors, (394), 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 08:02:39,007 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 08:02:39,008 INFO  L93              Difference]: Finished difference Result 20070 states and 30101 transitions.
[2025-01-09 08:02:39,008 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-01-09 08:02:39,012 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 98.5) internal successors, (394), 4 states have internal predecessors, (394), 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 394
[2025-01-09 08:02:39,013 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 08:02:39,042 INFO  L225             Difference]: With dead ends: 20070
[2025-01-09 08:02:39,042 INFO  L226             Difference]: Without dead ends: 10267
[2025-01-09 08:02:39,053 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 08:02:39,054 INFO  L435           NwaCegarLoop]: 15391 mSDtfsCounter, 0 mSDsluCounter, 30772 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46163 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 08:02:39,054 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46163 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-01-09 08:02:39,067 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10267 states.
[2025-01-09 08:02:39,176 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10267 to 10267.
[2025-01-09 08:02:39,188 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10267 states, 10266 states have (on average 1.4998051821546854) internal successors, (15397), 10266 states have internal predecessors, (15397), 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 08:02:39,211 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10267 states to 10267 states and 15397 transitions.
[2025-01-09 08:02:39,211 INFO  L78                 Accepts]: Start accepts. Automaton has 10267 states and 15397 transitions. Word has length 394
[2025-01-09 08:02:39,211 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 08:02:39,211 INFO  L471      AbstractCegarLoop]: Abstraction has 10267 states and 15397 transitions.
[2025-01-09 08:02:39,212 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 98.5) internal successors, (394), 4 states have internal predecessors, (394), 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 08:02:39,212 INFO  L276                IsEmpty]: Start isEmpty. Operand 10267 states and 15397 transitions.
[2025-01-09 08:02:39,215 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 396
[2025-01-09 08:02:39,215 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 08:02:39,216 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-01-09 08:02:39,216 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-01-09 08:02:39,216 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 08:02:39,216 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 08:02:39,217 INFO  L85        PathProgramCache]: Analyzing trace with hash 1742205709, now seen corresponding path program 1 times
[2025-01-09 08:02:39,217 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 08:02:39,217 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376064978]
[2025-01-09 08:02:39,217 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 08:02:39,217 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 08:02:39,301 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 395 statements into 1 equivalence classes.
[2025-01-09 08:02:39,341 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 395 of 395 statements.
[2025-01-09 08:02:39,342 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-01-09 08:02:39,342 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-01-09 08:02:39,832 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 08:02:39,833 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-01-09 08:02:39,833 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376064978]
[2025-01-09 08:02:39,833 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376064978] provided 1 perfect and 0 imperfect interpolant sequences
[2025-01-09 08:02:39,833 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-01-09 08:02:39,833 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-01-09 08:02:39,834 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049467156]
[2025-01-09 08:02:39,834 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-01-09 08:02:39,834 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-01-09 08:02:39,834 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-01-09 08:02:39,835 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-01-09 08:02:39,835 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-01-09 08:02:39,836 INFO  L87              Difference]: Start difference. First operand 10267 states and 15397 transitions. Second operand  has 5 states, 5 states have (on average 79.0) internal successors, (395), 5 states have internal predecessors, (395), 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 08:02:40,159 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-01-09 08:02:40,159 INFO  L93              Difference]: Finished difference Result 28027 states and 42034 transitions.
[2025-01-09 08:02:40,159 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-01-09 08:02:40,160 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 79.0) internal successors, (395), 5 states have internal predecessors, (395), 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 395
[2025-01-09 08:02:40,160 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2025-01-09 08:02:40,203 INFO  L225             Difference]: With dead ends: 28027
[2025-01-09 08:02:40,203 INFO  L226             Difference]: Without dead ends: 18222
[2025-01-09 08:02:40,217 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 08:02:40,218 INFO  L435           NwaCegarLoop]: 15387 mSDtfsCounter, 12242 mSDsluCounter, 45464 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12242 SdHoareTripleChecker+Valid, 60851 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-01-09 08:02:40,218 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [12242 Valid, 60851 Invalid, 30 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-01-09 08:02:40,240 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 18222 states.
[2025-01-09 08:02:40,389 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 18222 to 10577.
[2025-01-09 08:02:40,400 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10577 states, 10576 states have (on average 1.4997163388804842) internal successors, (15861), 10576 states have internal predecessors, (15861), 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 08:02:40,416 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10577 states to 10577 states and 15861 transitions.
[2025-01-09 08:02:40,416 INFO  L78                 Accepts]: Start accepts. Automaton has 10577 states and 15861 transitions. Word has length 395
[2025-01-09 08:02:40,418 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2025-01-09 08:02:40,418 INFO  L471      AbstractCegarLoop]: Abstraction has 10577 states and 15861 transitions.
[2025-01-09 08:02:40,418 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 79.0) internal successors, (395), 5 states have internal predecessors, (395), 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 08:02:40,418 INFO  L276                IsEmpty]: Start isEmpty. Operand 10577 states and 15861 transitions.
[2025-01-09 08:02:40,786 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5293
[2025-01-09 08:02:40,786 INFO  L210           NwaCegarLoop]: Found error trace
[2025-01-09 08:02:40,789 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:02:40,789 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-01-09 08:02:40,789 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2025-01-09 08:02:40,791 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2025-01-09 08:02:40,794 INFO  L85        PathProgramCache]: Analyzing trace with hash 753222581, now seen corresponding path program 1 times
[2025-01-09 08:02:40,795 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-01-09 08:02:40,795 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651950735]
[2025-01-09 08:02:40,795 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-01-09 08:02:40,795 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-01-09 08:02:41,261 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5292 statements into 1 equivalence classes.