./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5eec535-8cc5-47ac-b65f-f2d503b5bf49/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5eec535-8cc5-47ac-b65f-f2d503b5bf49/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5eec535-8cc5-47ac-b65f-f2d503b5bf49/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5eec535-8cc5-47ac-b65f-f2d503b5bf49/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5eec535-8cc5-47ac-b65f-f2d503b5bf49/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5eec535-8cc5-47ac-b65f-f2d503b5bf49/bin/uautomizer-verify-aQ6SnzHsRB --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 302e0b25ab5e724f956de377dfc80a50b1a465bcb2a4596e79c73f892ebfd861
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-11-27 19:50:16,767 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-27 19:50:16,867 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5eec535-8cc5-47ac-b65f-f2d503b5bf49/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-27 19:50:16,874 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-27 19:50:16,876 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-27 19:50:16,908 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-27 19:50:16,909 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-27 19:50:16,909 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-27 19:50:16,910 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-27 19:50:16,910 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-27 19:50:16,911 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-27 19:50:16,912 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-27 19:50:16,913 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-27 19:50:16,913 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-27 19:50:16,913 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-27 19:50:16,913 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-27 19:50:16,913 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-27 19:50:16,913 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-27 19:50:16,913 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-27 19:50:16,913 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-27 19:50:16,914 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-27 19:50:16,914 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-27 19:50:16,914 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-27 19:50:16,914 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-27 19:50:16,914 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-27 19:50:16,914 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-27 19:50:16,914 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-27 19:50:16,914 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-27 19:50:16,914 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-27 19:50:16,914 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-27 19:50:16,914 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-27 19:50:16,914 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-27 19:50:16,914 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-27 19:50:16,915 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-27 19:50:16,915 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-27 19:50:16,915 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-27 19:50:16,915 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-27 19:50:16,915 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-11-27 19:50:16,915 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-27 19:50:16,915 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-27 19:50:16,915 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-27 19:50:16,915 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-27 19:50:16,915 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-27 19:50:16,915 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-27 19:50:16,915 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-27 19:50:16,915 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5eec535-8cc5-47ac-b65f-f2d503b5bf49/bin/uautomizer-verify-aQ6SnzHsRB
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 -> 302e0b25ab5e724f956de377dfc80a50b1a465bcb2a4596e79c73f892ebfd861
[2024-11-27 19:50:17,257 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-27 19:50:17,272 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-27 19:50:17,274 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-27 19:50:17,275 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-27 19:50:17,276 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-27 19:50:17,279 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5eec535-8cc5-47ac-b65f-f2d503b5bf49/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c
[2024-11-27 19:50:20,358 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5eec535-8cc5-47ac-b65f-f2d503b5bf49/bin/uautomizer-verify-aQ6SnzHsRB/data/3fe9a01bd/aa1f6fd8886744afb92a3b0049f83c5a/FLAGc09f577d5
[2024-11-27 19:50:20,968 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-27 19:50:20,969 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5eec535-8cc5-47ac-b65f-f2d503b5bf49/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c
[2024-11-27 19:50:21,017 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5eec535-8cc5-47ac-b65f-f2d503b5bf49/bin/uautomizer-verify-aQ6SnzHsRB/data/3fe9a01bd/aa1f6fd8886744afb92a3b0049f83c5a/FLAGc09f577d5
[2024-11-27 19:50:21,418 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5eec535-8cc5-47ac-b65f-f2d503b5bf49/bin/uautomizer-verify-aQ6SnzHsRB/data/3fe9a01bd/aa1f6fd8886744afb92a3b0049f83c5a
[2024-11-27 19:50:21,420 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-27 19:50:21,422 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-27 19:50:21,424 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-27 19:50:21,425 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-27 19:50:21,430 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-27 19:50:21,431 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:50:21" (1/1) ...
[2024-11-27 19:50:21,434 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f0183b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:21, skipping insertion in model container
[2024-11-27 19:50:21,434 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:50:21" (1/1) ...
[2024-11-27 19:50:21,585 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-27 19:50:21,865 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5eec535-8cc5-47ac-b65f-f2d503b5bf49/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c[1176,1189]
[2024-11-27 19:50:22,823 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-27 19:50:22,836 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-27 19:50:22,848 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5eec535-8cc5-47ac-b65f-f2d503b5bf49/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.telephony.7.prop1-func-interl.c[1176,1189]
[2024-11-27 19:50:23,636 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-27 19:50:23,650 INFO  L204         MainTranslator]: Completed translation
[2024-11-27 19:50:23,651 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:23 WrapperNode
[2024-11-27 19:50:23,652 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-27 19:50:23,654 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-27 19:50:23,654 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-27 19:50:23,654 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-27 19:50:23,715 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:23" (1/1) ...
[2024-11-27 19:50:23,874 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:23" (1/1) ...
[2024-11-27 19:50:26,376 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22943
[2024-11-27 19:50:26,376 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-27 19:50:26,378 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-27 19:50:26,378 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-27 19:50:26,379 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-27 19:50:26,389 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:23" (1/1) ...
[2024-11-27 19:50:26,390 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:23" (1/1) ...
[2024-11-27 19:50:27,189 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:23" (1/1) ...
[2024-11-27 19:50:27,672 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].
[2024-11-27 19:50:27,672 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:23" (1/1) ...
[2024-11-27 19:50:27,673 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:23" (1/1) ...
[2024-11-27 19:50:28,456 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:23" (1/1) ...
[2024-11-27 19:50:28,509 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:23" (1/1) ...
[2024-11-27 19:50:28,625 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:23" (1/1) ...
[2024-11-27 19:50:28,711 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:23" (1/1) ...
[2024-11-27 19:50:28,787 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:23" (1/1) ...
[2024-11-27 19:50:29,291 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-27 19:50:29,292 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-27 19:50:29,292 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-27 19:50:29,292 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-27 19:50:29,293 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:23" (1/1) ...
[2024-11-27 19:50:29,298 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-27 19:50:29,311 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5eec535-8cc5-47ac-b65f-f2d503b5bf49/bin/uautomizer-verify-aQ6SnzHsRB/z3
[2024-11-27 19:50:29,330 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5eec535-8cc5-47ac-b65f-f2d503b5bf49/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-27 19:50:29,335 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5eec535-8cc5-47ac-b65f-f2d503b5bf49/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-27 19:50:29,364 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-27 19:50:29,364 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-27 19:50:29,364 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-27 19:50:29,364 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-27 19:50:30,687 INFO  L234             CfgBuilder]: Building ICFG
[2024-11-27 19:50:30,689 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-27 19:51:29,555 INFO  L?                        ?]: Removed 12943 outVars from TransFormulas that were not future-live.
[2024-11-27 19:51:29,555 INFO  L283             CfgBuilder]: Performing block encoding
[2024-11-27 19:51:29,687 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-27 19:51:29,688 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-27 19:51:29,688 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:51:29 BoogieIcfgContainer
[2024-11-27 19:51:29,688 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-27 19:51:29,691 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-27 19:51:29,691 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-27 19:51:29,697 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-27 19:51:29,697 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 07:50:21" (1/3) ...
[2024-11-27 19:51:29,698 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2afa7b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:51:29, skipping insertion in model container
[2024-11-27 19:51:29,698 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:50:23" (2/3) ...
[2024-11-27 19:51:29,699 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2afa7b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:51:29, skipping insertion in model container
[2024-11-27 19:51:29,699 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:51:29" (3/3) ...
[2024-11-27 19:51:29,701 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.telephony.7.prop1-func-interl.c
[2024-11-27 19:51:29,720 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-27 19:51:29,721 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.telephony.7.prop1-func-interl.c that has 1 procedures, 8102 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-27 19:51:29,941 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-27 19:51:29,955 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;@236c6431, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-27 19:51:29,957 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-27 19:51:29,988 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 8102 states, 8100 states have (on average 1.504320987654321) internal successors, (12185), 8101 states have internal predecessors, (12185), 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)
[2024-11-27 19:51:30,022 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 326
[2024-11-27 19:51:30,023 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 19:51:30,023 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]
[2024-11-27 19:51:30,024 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 19:51:30,031 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 19:51:30,033 INFO  L85        PathProgramCache]: Analyzing trace with hash -2145768534, now seen corresponding path program 1 times
[2024-11-27 19:51:30,041 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 19:51:30,041 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981543917]
[2024-11-27 19:51:30,042 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 19:51:30,042 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 19:51:30,678 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 19:51:32,677 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 19:51:32,678 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 19:51:32,680 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981543917]
[2024-11-27 19:51:32,681 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981543917] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 19:51:32,681 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 19:51:32,683 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-27 19:51:32,685 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756573765]
[2024-11-27 19:51:32,686 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 19:51:32,692 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-27 19:51:32,693 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 19:51:32,717 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-27 19:51:32,717 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-27 19:51:32,737 INFO  L87              Difference]: Start difference. First operand  has 8102 states, 8100 states have (on average 1.504320987654321) internal successors, (12185), 8101 states have internal predecessors, (12185), 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 5 states, 5 states have (on average 65.0) internal successors, (325), 5 states have internal predecessors, (325), 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)
[2024-11-27 19:51:42,646 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 19:51:42,647 INFO  L93              Difference]: Finished difference Result 23668 states and 35605 transitions.
[2024-11-27 19:51:42,648 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-27 19:51:42,649 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 65.0) internal successors, (325), 5 states have internal predecessors, (325), 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 325
[2024-11-27 19:51:42,651 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 19:51:42,718 INFO  L225             Difference]: With dead ends: 23668
[2024-11-27 19:51:42,718 INFO  L226             Difference]: Without dead ends: 15876
[2024-11-27 19:51:42,732 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-27 19:51:42,735 INFO  L435           NwaCegarLoop]: 9800 mSDtfsCounter, 11846 mSDsluCounter, 29177 mSDsCounter, 0 mSdLazyCounter, 9284 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11846 SdHoareTripleChecker+Valid, 38977 SdHoareTripleChecker+Invalid, 9285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time
[2024-11-27 19:51:42,736 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11846 Valid, 38977 Invalid, 9285 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 9284 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time]
[2024-11-27 19:51:42,778 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 15876 states.
[2024-11-27 19:51:43,075 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 15876 to 8422.
[2024-11-27 19:51:43,097 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8422 states, 8421 states have (on average 1.5038593991212446) internal successors, (12664), 8421 states have internal predecessors, (12664), 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)
[2024-11-27 19:51:43,136 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8422 states to 8422 states and 12664 transitions.
[2024-11-27 19:51:43,140 INFO  L78                 Accepts]: Start accepts. Automaton has 8422 states and 12664 transitions. Word has length 325
[2024-11-27 19:51:43,142 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 19:51:43,142 INFO  L471      AbstractCegarLoop]: Abstraction has 8422 states and 12664 transitions.
[2024-11-27 19:51:43,142 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 65.0) internal successors, (325), 5 states have internal predecessors, (325), 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)
[2024-11-27 19:51:43,145 INFO  L276                IsEmpty]: Start isEmpty. Operand 8422 states and 12664 transitions.
[2024-11-27 19:51:43,152 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 328
[2024-11-27 19:51:43,152 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 19:51:43,153 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]
[2024-11-27 19:51:43,153 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-27 19:51:43,153 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 19:51:43,154 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 19:51:43,154 INFO  L85        PathProgramCache]: Analyzing trace with hash 1073836967, now seen corresponding path program 1 times
[2024-11-27 19:51:43,154 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 19:51:43,154 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905794624]
[2024-11-27 19:51:43,154 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 19:51:43,154 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 19:51:43,360 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 19:51:44,373 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 19:51:44,375 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 19:51:44,376 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905794624]
[2024-11-27 19:51:44,376 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905794624] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 19:51:44,376 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 19:51:44,376 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-27 19:51:44,376 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057544937]
[2024-11-27 19:51:44,377 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 19:51:44,380 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-27 19:51:44,380 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 19:51:44,381 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-27 19:51:44,381 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-27 19:51:44,382 INFO  L87              Difference]: Start difference. First operand 8422 states and 12664 transitions. Second operand  has 4 states, 4 states have (on average 81.75) internal successors, (327), 4 states have internal predecessors, (327), 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)
[2024-11-27 19:51:44,546 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 19:51:44,546 INFO  L93              Difference]: Finished difference Result 8426 states and 12668 transitions.
[2024-11-27 19:51:44,547 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 19:51:44,547 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 81.75) internal successors, (327), 4 states have internal predecessors, (327), 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 327
[2024-11-27 19:51:44,550 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 19:51:44,581 INFO  L225             Difference]: With dead ends: 8426
[2024-11-27 19:51:44,581 INFO  L226             Difference]: Without dead ends: 8424
[2024-11-27 19:51:44,588 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
[2024-11-27 19:51:44,589 INFO  L435           NwaCegarLoop]: 12179 mSDtfsCounter, 0 mSDsluCounter, 24352 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36531 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
[2024-11-27 19:51:44,589 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36531 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-27 19:51:44,603 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8424 states.
[2024-11-27 19:51:44,730 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8424 to 8424.
[2024-11-27 19:51:44,754 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8424 states, 8423 states have (on average 1.5037397601804583) internal successors, (12666), 8423 states have internal predecessors, (12666), 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)
[2024-11-27 19:51:44,786 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8424 states to 8424 states and 12666 transitions.
[2024-11-27 19:51:44,786 INFO  L78                 Accepts]: Start accepts. Automaton has 8424 states and 12666 transitions. Word has length 327
[2024-11-27 19:51:44,788 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 19:51:44,789 INFO  L471      AbstractCegarLoop]: Abstraction has 8424 states and 12666 transitions.
[2024-11-27 19:51:44,790 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 81.75) internal successors, (327), 4 states have internal predecessors, (327), 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)
[2024-11-27 19:51:44,790 INFO  L276                IsEmpty]: Start isEmpty. Operand 8424 states and 12666 transitions.
[2024-11-27 19:51:44,795 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 329
[2024-11-27 19:51:44,795 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 19:51:44,795 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]
[2024-11-27 19:51:44,796 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-27 19:51:44,796 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 19:51:44,800 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 19:51:44,801 INFO  L85        PathProgramCache]: Analyzing trace with hash -1069095158, now seen corresponding path program 1 times
[2024-11-27 19:51:44,801 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 19:51:44,801 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138113398]
[2024-11-27 19:51:44,801 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 19:51:44,801 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 19:51:44,956 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 19:51:45,486 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 19:51:45,487 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 19:51:45,487 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138113398]
[2024-11-27 19:51:45,487 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138113398] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 19:51:45,487 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 19:51:45,488 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-27 19:51:45,488 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543003333]
[2024-11-27 19:51:45,488 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 19:51:45,489 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-27 19:51:45,489 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 19:51:45,490 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-27 19:51:45,490 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-27 19:51:45,491 INFO  L87              Difference]: Start difference. First operand 8424 states and 12666 transitions. Second operand  has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 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)
[2024-11-27 19:51:45,691 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 19:51:45,692 INFO  L93              Difference]: Finished difference Result 16217 states and 24388 transitions.
[2024-11-27 19:51:45,692 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 19:51:45,692 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 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 328
[2024-11-27 19:51:45,693 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 19:51:45,724 INFO  L225             Difference]: With dead ends: 16217
[2024-11-27 19:51:45,725 INFO  L226             Difference]: Without dead ends: 8426
[2024-11-27 19:51:45,733 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
[2024-11-27 19:51:45,738 INFO  L435           NwaCegarLoop]: 12179 mSDtfsCounter, 0 mSDsluCounter, 24348 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 36527 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
[2024-11-27 19:51:45,739 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36527 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-27 19:51:45,752 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8426 states.
[2024-11-27 19:51:45,875 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8426 to 8426.
[2024-11-27 19:51:45,890 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8426 states, 8425 states have (on average 1.503620178041543) internal successors, (12668), 8425 states have internal predecessors, (12668), 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)
[2024-11-27 19:51:45,912 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8426 states to 8426 states and 12668 transitions.
[2024-11-27 19:51:45,916 INFO  L78                 Accepts]: Start accepts. Automaton has 8426 states and 12668 transitions. Word has length 328
[2024-11-27 19:51:45,917 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 19:51:45,917 INFO  L471      AbstractCegarLoop]: Abstraction has 8426 states and 12668 transitions.
[2024-11-27 19:51:45,918 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 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)
[2024-11-27 19:51:45,918 INFO  L276                IsEmpty]: Start isEmpty. Operand 8426 states and 12668 transitions.
[2024-11-27 19:51:45,926 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 330
[2024-11-27 19:51:45,927 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 19:51:45,927 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]
[2024-11-27 19:51:45,928 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-27 19:51:45,928 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 19:51:45,929 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 19:51:45,929 INFO  L85        PathProgramCache]: Analyzing trace with hash 119824608, now seen corresponding path program 1 times
[2024-11-27 19:51:45,929 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 19:51:45,929 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587965078]
[2024-11-27 19:51:45,929 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 19:51:45,929 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 19:51:46,091 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 19:51:46,765 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 19:51:46,766 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 19:51:46,766 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587965078]
[2024-11-27 19:51:46,766 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587965078] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 19:51:46,766 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 19:51:46,766 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-27 19:51:46,766 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753692087]
[2024-11-27 19:51:46,766 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 19:51:46,767 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-27 19:51:46,767 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 19:51:46,768 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-27 19:51:46,768 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-27 19:51:46,768 INFO  L87              Difference]: Start difference. First operand 8426 states and 12668 transitions. Second operand  has 5 states, 5 states have (on average 65.8) internal successors, (329), 5 states have internal predecessors, (329), 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)
[2024-11-27 19:51:47,106 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 19:51:47,106 INFO  L93              Difference]: Finished difference Result 22419 states and 33722 transitions.
[2024-11-27 19:51:47,107 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-27 19:51:47,107 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 65.8) internal successors, (329), 5 states have internal predecessors, (329), 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 329
[2024-11-27 19:51:47,110 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 19:51:47,145 INFO  L225             Difference]: With dead ends: 22419
[2024-11-27 19:51:47,145 INFO  L226             Difference]: Without dead ends: 14626
[2024-11-27 19:51:47,155 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
[2024-11-27 19:51:47,159 INFO  L435           NwaCegarLoop]: 12175 mSDtfsCounter, 9962 mSDsluCounter, 36056 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9962 SdHoareTripleChecker+Valid, 48231 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
[2024-11-27 19:51:47,159 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [9962 Valid, 48231 Invalid, 30 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-27 19:51:47,183 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 14626 states.
[2024-11-27 19:51:47,338 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 14626 to 8429.
[2024-11-27 19:51:47,353 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.5034409112482203) internal successors, (12671), 8428 states have internal predecessors, (12671), 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)
[2024-11-27 19:51:47,375 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12671 transitions.
[2024-11-27 19:51:47,375 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12671 transitions. Word has length 329
[2024-11-27 19:51:47,376 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 19:51:47,376 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12671 transitions.
[2024-11-27 19:51:47,377 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 65.8) internal successors, (329), 5 states have internal predecessors, (329), 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)
[2024-11-27 19:51:47,377 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12671 transitions.
[2024-11-27 19:51:47,646 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4149
[2024-11-27 19:51:47,646 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 19:51:47,648 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-11-27 19:51:47,649 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-27 19:51:47,649 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 19:51:47,652 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 19:51:47,654 INFO  L85        PathProgramCache]: Analyzing trace with hash 553030559, now seen corresponding path program 1 times
[2024-11-27 19:51:47,654 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 19:51:47,654 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185978580]
[2024-11-27 19:51:47,655 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 19:51:47,655 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 19:51:55,636 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 19:52:06,404 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 19:52:06,404 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 19:52:06,404 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185978580]
[2024-11-27 19:52:06,404 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185978580] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 19:52:06,404 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 19:52:06,405 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-27 19:52:06,405 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595505740]
[2024-11-27 19:52:06,405 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 19:52:06,409 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-27 19:52:06,410 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 19:52:06,414 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-27 19:52:06,414 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-27 19:52:06,416 INFO  L87              Difference]: Start difference. First operand 8429 states and 12671 transitions. Second operand  has 4 states, 4 states have (on average 1037.0) internal successors, (4148), 4 states have internal predecessors, (4148), 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)
[2024-11-27 19:52:06,960 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 19:52:06,960 INFO  L93              Difference]: Finished difference Result 16222 states and 24392 transitions.
[2024-11-27 19:52:06,960 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 19:52:06,962 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1037.0) internal successors, (4148), 4 states have internal predecessors, (4148), 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 4148
[2024-11-27 19:52:06,963 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 19:52:06,980 INFO  L225             Difference]: With dead ends: 16222
[2024-11-27 19:52:06,980 INFO  L226             Difference]: Without dead ends: 8429
[2024-11-27 19:52:06,989 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-27 19:52:06,990 INFO  L435           NwaCegarLoop]: 12145 mSDtfsCounter, 11857 mSDsluCounter, 12143 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11857 SdHoareTripleChecker+Valid, 24288 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-27 19:52:06,990 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11857 Valid, 24288 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-27 19:52:07,002 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8429 states.
[2024-11-27 19:52:07,114 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8429 to 8429.
[2024-11-27 19:52:07,126 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.5033222591362125) internal successors, (12670), 8428 states have internal predecessors, (12670), 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)
[2024-11-27 19:52:07,138 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12670 transitions.
[2024-11-27 19:52:07,139 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12670 transitions. Word has length 4148
[2024-11-27 19:52:07,140 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 19:52:07,140 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12670 transitions.
[2024-11-27 19:52:07,142 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1037.0) internal successors, (4148), 4 states have internal predecessors, (4148), 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)
[2024-11-27 19:52:07,142 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12670 transitions.
[2024-11-27 19:52:07,258 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4150
[2024-11-27 19:52:07,259 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 19:52:07,261 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-27 19:52:07,261 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-27 19:52:07,262 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 19:52:07,263 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 19:52:07,266 INFO  L85        PathProgramCache]: Analyzing trace with hash -205449475, now seen corresponding path program 1 times
[2024-11-27 19:52:07,266 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 19:52:07,266 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884042987]
[2024-11-27 19:52:07,267 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 19:52:07,267 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 19:52:13,379 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 19:52:21,086 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 19:52:21,086 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 19:52:21,087 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884042987]
[2024-11-27 19:52:21,087 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884042987] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 19:52:21,087 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 19:52:21,087 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-27 19:52:21,087 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013903747]
[2024-11-27 19:52:21,088 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 19:52:21,091 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-27 19:52:21,091 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 19:52:21,095 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-27 19:52:21,095 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-27 19:52:21,097 INFO  L87              Difference]: Start difference. First operand 8429 states and 12670 transitions. Second operand  has 4 states, 4 states have (on average 1037.25) internal successors, (4149), 4 states have internal predecessors, (4149), 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)
[2024-11-27 19:52:21,420 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 19:52:21,421 INFO  L93              Difference]: Finished difference Result 16222 states and 24390 transitions.
[2024-11-27 19:52:21,421 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 19:52:21,427 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1037.25) internal successors, (4149), 4 states have internal predecessors, (4149), 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 4149
[2024-11-27 19:52:21,428 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 19:52:21,444 INFO  L225             Difference]: With dead ends: 16222
[2024-11-27 19:52:21,444 INFO  L226             Difference]: Without dead ends: 8429
[2024-11-27 19:52:21,451 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-27 19:52:21,452 INFO  L435           NwaCegarLoop]: 12144 mSDtfsCounter, 11839 mSDsluCounter, 12142 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11839 SdHoareTripleChecker+Valid, 24286 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-27 19:52:21,452 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11839 Valid, 24286 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-27 19:52:21,463 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8429 states.
[2024-11-27 19:52:21,558 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8429 to 8429.
[2024-11-27 19:52:21,569 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.503203607024205) internal successors, (12669), 8428 states have internal predecessors, (12669), 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)
[2024-11-27 19:52:21,580 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12669 transitions.
[2024-11-27 19:52:21,580 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12669 transitions. Word has length 4149
[2024-11-27 19:52:21,581 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 19:52:21,581 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12669 transitions.
[2024-11-27 19:52:21,583 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1037.25) internal successors, (4149), 4 states have internal predecessors, (4149), 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)
[2024-11-27 19:52:21,583 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12669 transitions.
[2024-11-27 19:52:21,698 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4151
[2024-11-27 19:52:21,699 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 19:52:21,701 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-11-27 19:52:21,701 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-27 19:52:21,701 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 19:52:21,703 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 19:52:21,705 INFO  L85        PathProgramCache]: Analyzing trace with hash 941827100, now seen corresponding path program 1 times
[2024-11-27 19:52:21,705 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 19:52:21,705 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081164772]
[2024-11-27 19:52:21,706 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 19:52:21,706 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 19:52:27,307 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 19:52:33,644 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 19:52:33,644 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 19:52:33,644 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081164772]
[2024-11-27 19:52:33,645 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081164772] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 19:52:33,645 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 19:52:33,645 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-27 19:52:33,645 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053564363]
[2024-11-27 19:52:33,645 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 19:52:33,649 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-27 19:52:33,649 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 19:52:33,652 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-27 19:52:33,652 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-27 19:52:33,654 INFO  L87              Difference]: Start difference. First operand 8429 states and 12669 transitions. Second operand  has 4 states, 4 states have (on average 1037.5) internal successors, (4150), 4 states have internal predecessors, (4150), 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)
[2024-11-27 19:52:33,954 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 19:52:33,954 INFO  L93              Difference]: Finished difference Result 16222 states and 24388 transitions.
[2024-11-27 19:52:33,955 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 19:52:33,956 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1037.5) internal successors, (4150), 4 states have internal predecessors, (4150), 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 4150
[2024-11-27 19:52:33,957 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 19:52:33,973 INFO  L225             Difference]: With dead ends: 16222
[2024-11-27 19:52:33,973 INFO  L226             Difference]: Without dead ends: 8429
[2024-11-27 19:52:33,981 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-27 19:52:33,981 INFO  L435           NwaCegarLoop]: 12143 mSDtfsCounter, 11821 mSDsluCounter, 12141 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11821 SdHoareTripleChecker+Valid, 24284 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-27 19:52:33,982 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11821 Valid, 24284 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-27 19:52:33,993 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8429 states.
[2024-11-27 19:52:34,552 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8429 to 8429.
[2024-11-27 19:52:34,564 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.5030849549121974) internal successors, (12668), 8428 states have internal predecessors, (12668), 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)
[2024-11-27 19:52:34,580 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12668 transitions.
[2024-11-27 19:52:34,581 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12668 transitions. Word has length 4150
[2024-11-27 19:52:34,583 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 19:52:34,584 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12668 transitions.
[2024-11-27 19:52:34,585 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1037.5) internal successors, (4150), 4 states have internal predecessors, (4150), 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)
[2024-11-27 19:52:34,585 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12668 transitions.
[2024-11-27 19:52:34,845 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4152
[2024-11-27 19:52:34,845 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 19:52:34,848 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-11-27 19:52:34,848 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-27 19:52:34,849 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 19:52:34,851 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 19:52:34,853 INFO  L85        PathProgramCache]: Analyzing trace with hash -894305894, now seen corresponding path program 1 times
[2024-11-27 19:52:34,853 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 19:52:34,853 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849341619]
[2024-11-27 19:52:34,855 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 19:52:34,856 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 19:52:41,542 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 19:52:47,645 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 19:52:47,645 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 19:52:47,645 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849341619]
[2024-11-27 19:52:47,645 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849341619] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 19:52:47,645 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 19:52:47,645 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-27 19:52:47,646 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017097965]
[2024-11-27 19:52:47,646 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 19:52:47,649 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-27 19:52:47,649 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 19:52:47,652 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-27 19:52:47,653 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-27 19:52:47,654 INFO  L87              Difference]: Start difference. First operand 8429 states and 12668 transitions. Second operand  has 4 states, 4 states have (on average 1037.75) internal successors, (4151), 4 states have internal predecessors, (4151), 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)
[2024-11-27 19:52:47,946 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 19:52:47,947 INFO  L93              Difference]: Finished difference Result 16222 states and 24386 transitions.
[2024-11-27 19:52:47,947 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 19:52:47,948 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1037.75) internal successors, (4151), 4 states have internal predecessors, (4151), 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 4151
[2024-11-27 19:52:47,948 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 19:52:47,965 INFO  L225             Difference]: With dead ends: 16222
[2024-11-27 19:52:47,965 INFO  L226             Difference]: Without dead ends: 8429
[2024-11-27 19:52:47,972 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-27 19:52:47,972 INFO  L435           NwaCegarLoop]: 12142 mSDtfsCounter, 11803 mSDsluCounter, 12140 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11803 SdHoareTripleChecker+Valid, 24282 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-27 19:52:47,973 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11803 Valid, 24282 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-27 19:52:47,983 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8429 states.
[2024-11-27 19:52:48,339 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8429 to 8429.
[2024-11-27 19:52:48,348 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.5029663028001898) internal successors, (12667), 8428 states have internal predecessors, (12667), 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)
[2024-11-27 19:52:48,359 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12667 transitions.
[2024-11-27 19:52:48,360 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12667 transitions. Word has length 4151
[2024-11-27 19:52:48,361 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 19:52:48,361 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12667 transitions.
[2024-11-27 19:52:48,362 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1037.75) internal successors, (4151), 4 states have internal predecessors, (4151), 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)
[2024-11-27 19:52:48,362 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12667 transitions.
[2024-11-27 19:52:48,476 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4153
[2024-11-27 19:52:48,476 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 19:52:48,478 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-11-27 19:52:48,479 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-27 19:52:48,480 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 19:52:48,481 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 19:52:48,484 INFO  L85        PathProgramCache]: Analyzing trace with hash -1896600423, now seen corresponding path program 1 times
[2024-11-27 19:52:48,484 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 19:52:48,484 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607618024]
[2024-11-27 19:52:48,486 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 19:52:48,486 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 19:52:53,800 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 19:52:59,351 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 19:52:59,352 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 19:52:59,352 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607618024]
[2024-11-27 19:52:59,352 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607618024] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 19:52:59,352 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 19:52:59,352 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-27 19:52:59,352 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400449184]
[2024-11-27 19:52:59,352 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 19:52:59,355 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-27 19:52:59,355 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 19:52:59,359 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-27 19:52:59,359 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-27 19:52:59,360 INFO  L87              Difference]: Start difference. First operand 8429 states and 12667 transitions. Second operand  has 4 states, 4 states have (on average 1038.0) internal successors, (4152), 4 states have internal predecessors, (4152), 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)
[2024-11-27 19:53:00,346 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 19:53:00,347 INFO  L93              Difference]: Finished difference Result 16222 states and 24384 transitions.
[2024-11-27 19:53:00,347 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 19:53:00,348 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1038.0) internal successors, (4152), 4 states have internal predecessors, (4152), 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 4152
[2024-11-27 19:53:00,348 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 19:53:00,362 INFO  L225             Difference]: With dead ends: 16222
[2024-11-27 19:53:00,362 INFO  L226             Difference]: Without dead ends: 8429
[2024-11-27 19:53:00,367 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-27 19:53:00,368 INFO  L435           NwaCegarLoop]: 12141 mSDtfsCounter, 11795 mSDsluCounter, 12139 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11795 SdHoareTripleChecker+Valid, 24280 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-27 19:53:00,368 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11795 Valid, 24280 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-27 19:53:00,378 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8429 states.
[2024-11-27 19:53:00,453 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8429 to 8429.
[2024-11-27 19:53:00,462 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.5028476506881823) internal successors, (12666), 8428 states have internal predecessors, (12666), 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)
[2024-11-27 19:53:00,472 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12666 transitions.
[2024-11-27 19:53:00,472 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12666 transitions. Word has length 4152
[2024-11-27 19:53:00,473 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 19:53:00,473 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12666 transitions.
[2024-11-27 19:53:00,474 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1038.0) internal successors, (4152), 4 states have internal predecessors, (4152), 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)
[2024-11-27 19:53:00,474 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12666 transitions.
[2024-11-27 19:53:00,585 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4154
[2024-11-27 19:53:00,586 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 19:53:00,588 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-11-27 19:53:00,588 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-27 19:53:00,588 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 19:53:00,589 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 19:53:00,591 INFO  L85        PathProgramCache]: Analyzing trace with hash -1071716108, now seen corresponding path program 1 times
[2024-11-27 19:53:00,591 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 19:53:00,591 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583661414]
[2024-11-27 19:53:00,592 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 19:53:00,592 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 19:53:06,276 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 19:53:11,821 INFO  L134       CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 19:53:11,821 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 19:53:11,821 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583661414]
[2024-11-27 19:53:11,822 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583661414] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 19:53:11,822 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 19:53:11,822 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-27 19:53:11,822 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607951248]
[2024-11-27 19:53:11,822 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 19:53:11,824 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-27 19:53:11,824 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 19:53:11,826 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-27 19:53:11,826 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-27 19:53:11,827 INFO  L87              Difference]: Start difference. First operand 8429 states and 12666 transitions. Second operand  has 4 states, 4 states have (on average 1038.25) internal successors, (4153), 4 states have internal predecessors, (4153), 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)
[2024-11-27 19:53:12,334 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 19:53:12,334 INFO  L93              Difference]: Finished difference Result 16222 states and 24382 transitions.
[2024-11-27 19:53:12,335 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 19:53:12,336 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1038.25) internal successors, (4153), 4 states have internal predecessors, (4153), 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 4153
[2024-11-27 19:53:12,336 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 19:53:12,345 INFO  L225             Difference]: With dead ends: 16222
[2024-11-27 19:53:12,345 INFO  L226             Difference]: Without dead ends: 8429
[2024-11-27 19:53:12,350 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-27 19:53:12,351 INFO  L435           NwaCegarLoop]: 12140 mSDtfsCounter, 11789 mSDsluCounter, 12138 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11789 SdHoareTripleChecker+Valid, 24278 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-27 19:53:12,352 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11789 Valid, 24278 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-27 19:53:12,362 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 8429 states.
[2024-11-27 19:53:12,440 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 8429 to 8429.
[2024-11-27 19:53:12,448 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8429 states, 8428 states have (on average 1.5027289985761747) internal successors, (12665), 8428 states have internal predecessors, (12665), 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)
[2024-11-27 19:53:12,459 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8429 states to 8429 states and 12665 transitions.
[2024-11-27 19:53:12,459 INFO  L78                 Accepts]: Start accepts. Automaton has 8429 states and 12665 transitions. Word has length 4153
[2024-11-27 19:53:12,460 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 19:53:12,460 INFO  L471      AbstractCegarLoop]: Abstraction has 8429 states and 12665 transitions.
[2024-11-27 19:53:12,461 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1038.25) internal successors, (4153), 4 states have internal predecessors, (4153), 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)
[2024-11-27 19:53:12,461 INFO  L276                IsEmpty]: Start isEmpty. Operand 8429 states and 12665 transitions.
[2024-11-27 19:53:12,571 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4155
[2024-11-27 19:53:12,571 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 19:53:12,573 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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[2024-11-27 19:53:12,574 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-27 19:53:12,574 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 19:53:12,575 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 19:53:12,577 INFO  L85        PathProgramCache]: Analyzing trace with hash 1180498508, now seen corresponding path program 1 times
[2024-11-27 19:53:12,577 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 19:53:12,577 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500425851]
[2024-11-27 19:53:12,578 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 19:53:12,578 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 19:53:17,951 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat