./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d128_e0.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_eacf6968-3eef-40e8-bfc3-1b592f6e65ea/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacf6968-3eef-40e8-bfc3-1b592f6e65ea/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_eacf6968-3eef-40e8-bfc3-1b592f6e65ea/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacf6968-3eef-40e8-bfc3-1b592f6e65ea/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d128_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacf6968-3eef-40e8-bfc3-1b592f6e65ea/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_eacf6968-3eef-40e8-bfc3-1b592f6e65ea/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 ab2df055a3241c8b861aec64972e3e5c64edfe101e83fca1a7d49d863915750d
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-11-27 20:08:32,776 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-27 20:08:32,842 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacf6968-3eef-40e8-bfc3-1b592f6e65ea/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-27 20:08:32,848 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-27 20:08:32,849 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-27 20:08:32,902 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-27 20:08:32,903 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-27 20:08:32,903 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-27 20:08:32,904 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-27 20:08:32,904 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-27 20:08:32,905 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-27 20:08:32,905 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-27 20:08:32,906 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-27 20:08:32,906 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-27 20:08:32,906 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-27 20:08:32,907 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-27 20:08:32,907 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-27 20:08:32,907 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-27 20:08:32,907 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-27 20:08:32,908 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-27 20:08:32,908 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-27 20:08:32,908 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-27 20:08:32,908 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-27 20:08:32,908 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-27 20:08:32,908 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-27 20:08:32,909 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-27 20:08:32,909 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-27 20:08:32,909 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-27 20:08:32,909 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-27 20:08:32,909 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-27 20:08:32,909 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-27 20:08:32,909 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-27 20:08:32,910 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-27 20:08:32,910 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-27 20:08:32,911 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-27 20:08:32,911 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-27 20:08:32,911 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-27 20:08:32,911 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-11-27 20:08:32,911 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-27 20:08:32,911 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-27 20:08:32,912 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-27 20:08:32,912 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-27 20:08:32,912 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-27 20:08:32,912 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-27 20:08:32,912 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-27 20:08:32,912 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_eacf6968-3eef-40e8-bfc3-1b592f6e65ea/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 -> ab2df055a3241c8b861aec64972e3e5c64edfe101e83fca1a7d49d863915750d
[2024-11-27 20:08:33,266 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-27 20:08:33,275 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-27 20:08:33,278 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-27 20:08:33,279 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-27 20:08:33,279 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-27 20:08:33,281 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacf6968-3eef-40e8-bfc3-1b592f6e65ea/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d128_e0.c
[2024-11-27 20:08:36,377 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacf6968-3eef-40e8-bfc3-1b592f6e65ea/bin/uautomizer-verify-aQ6SnzHsRB/data/82c51cd36/af4d821fa08b4023bc1b76d6acc99bcf/FLAGa99a1bd88
[2024-11-27 20:08:37,329 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-27 20:08:37,330 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacf6968-3eef-40e8-bfc3-1b592f6e65ea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d128_e0.c
[2024-11-27 20:08:37,394 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacf6968-3eef-40e8-bfc3-1b592f6e65ea/bin/uautomizer-verify-aQ6SnzHsRB/data/82c51cd36/af4d821fa08b4023bc1b76d6acc99bcf/FLAGa99a1bd88
[2024-11-27 20:08:37,418 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacf6968-3eef-40e8-bfc3-1b592f6e65ea/bin/uautomizer-verify-aQ6SnzHsRB/data/82c51cd36/af4d821fa08b4023bc1b76d6acc99bcf
[2024-11-27 20:08:37,421 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-27 20:08:37,423 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-27 20:08:37,426 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-27 20:08:37,428 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-27 20:08:37,434 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-27 20:08:37,435 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:08:37" (1/1) ...
[2024-11-27 20:08:37,436 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@516a7216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:37, skipping insertion in model container
[2024-11-27 20:08:37,437 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:08:37" (1/1) ...
[2024-11-27 20:08:37,668 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-27 20:08:38,033 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_eacf6968-3eef-40e8-bfc3-1b592f6e65ea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d128_e0.c[1271,1284]
[2024-11-27 20:08:39,805 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-27 20:08:39,818 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-27 20:08:39,832 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_eacf6968-3eef-40e8-bfc3-1b592f6e65ea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d128_e0.c[1271,1284]
[2024-11-27 20:08:41,150 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-27 20:08:41,167 INFO  L204         MainTranslator]: Completed translation
[2024-11-27 20:08:41,168 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:41 WrapperNode
[2024-11-27 20:08:41,168 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-27 20:08:41,169 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-27 20:08:41,169 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-27 20:08:41,170 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-27 20:08:41,177 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:41" (1/1) ...
[2024-11-27 20:08:41,526 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:41" (1/1) ...
[2024-11-27 20:08:44,282 INFO  L138                Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34644
[2024-11-27 20:08:44,283 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-27 20:08:44,284 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-27 20:08:44,284 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-27 20:08:44,284 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-27 20:08:44,293 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:41" (1/1) ...
[2024-11-27 20:08:44,293 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:41" (1/1) ...
[2024-11-27 20:08:44,997 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:41" (1/1) ...
[2024-11-27 20:08:45,459 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 20:08:45,460 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:41" (1/1) ...
[2024-11-27 20:08:45,460 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:41" (1/1) ...
[2024-11-27 20:08:46,341 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:41" (1/1) ...
[2024-11-27 20:08:46,391 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:41" (1/1) ...
[2024-11-27 20:08:46,870 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:41" (1/1) ...
[2024-11-27 20:08:47,077 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:41" (1/1) ...
[2024-11-27 20:08:47,177 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:41" (1/1) ...
[2024-11-27 20:08:47,711 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-27 20:08:47,711 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-27 20:08:47,712 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-27 20:08:47,712 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-27 20:08:47,713 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:41" (1/1) ...
[2024-11-27 20:08:47,717 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-27 20:08:47,729 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacf6968-3eef-40e8-bfc3-1b592f6e65ea/bin/uautomizer-verify-aQ6SnzHsRB/z3
[2024-11-27 20:08:47,743 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacf6968-3eef-40e8-bfc3-1b592f6e65ea/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-27 20:08:47,747 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eacf6968-3eef-40e8-bfc3-1b592f6e65ea/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-27 20:08:47,771 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-27 20:08:47,771 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-27 20:08:47,771 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-27 20:08:47,771 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-27 20:08:47,772 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-27 20:08:47,772 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-27 20:08:50,167 INFO  L234             CfgBuilder]: Building ICFG
[2024-11-27 20:08:50,169 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-27 20:11:58,441 INFO  L?                        ?]: Removed 20436 outVars from TransFormulas that were not future-live.
[2024-11-27 20:11:58,441 INFO  L283             CfgBuilder]: Performing block encoding
[2024-11-27 20:11:58,615 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-27 20:11:58,615 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-27 20:11:58,616 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:11:58 BoogieIcfgContainer
[2024-11-27 20:11:58,616 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-27 20:11:58,619 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-27 20:11:58,620 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-27 20:11:58,627 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-27 20:11:58,628 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:08:37" (1/3) ...
[2024-11-27 20:11:58,630 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a36f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:11:58, skipping insertion in model container
[2024-11-27 20:11:58,630 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:41" (2/3) ...
[2024-11-27 20:11:58,630 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a36f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:11:58, skipping insertion in model container
[2024-11-27 20:11:58,631 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:11:58" (3/3) ...
[2024-11-27 20:11:58,633 INFO  L128   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n4_w8_d128_e0.c
[2024-11-27 20:11:58,653 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-27 20:11:58,655 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.arbitrated_top_n4_w8_d128_e0.c that has 2 procedures, 9092 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-27 20:11:58,938 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-27 20:11:58,955 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;@3e04b381, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-27 20:11:58,955 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-27 20:11:58,989 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 9092 states, 9076 states have (on average 1.499118554429264) internal successors, (13606), 9077 states have internal predecessors, (13606), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-27 20:11:59,179 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1920
[2024-11-27 20:11:59,180 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:11:59,183 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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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]
[2024-11-27 20:11:59,184 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:11:59,192 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:11:59,194 INFO  L85        PathProgramCache]: Analyzing trace with hash -1641491582, now seen corresponding path program 1 times
[2024-11-27 20:11:59,203 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:11:59,204 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494621739]
[2024-11-27 20:11:59,205 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:11:59,206 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:12:05,336 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:12:21,251 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-11-27 20:12:21,252 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:12:21,252 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494621739]
[2024-11-27 20:12:21,253 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494621739] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:12:21,253 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:12:21,254 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-27 20:12:21,256 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809856734]
[2024-11-27 20:12:21,256 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:12:21,267 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-27 20:12:21,268 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:12:21,299 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-27 20:12:21,299 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-27 20:12:21,319 INFO  L87              Difference]: Start difference. First operand  has 9092 states, 9076 states have (on average 1.499118554429264) internal successors, (13606), 9077 states have internal predecessors, (13606), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand  has 4 states, 4 states have (on average 464.25) internal successors, (1857), 4 states have internal predecessors, (1857), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-11-27 20:12:22,439 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:12:22,445 INFO  L93              Difference]: Finished difference Result 16049 states and 24078 transitions.
[2024-11-27 20:12:22,451 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 20:12:22,454 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 464.25) internal successors, (1857), 4 states have internal predecessors, (1857), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1919
[2024-11-27 20:12:22,473 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:12:22,593 INFO  L225             Difference]: With dead ends: 16049
[2024-11-27 20:12:22,593 INFO  L226             Difference]: Without dead ends: 9091
[2024-11-27 20:12:22,621 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 20:12:22,627 INFO  L435           NwaCegarLoop]: 13625 mSDtfsCounter, 0 mSDsluCounter, 27244 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40869 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-27 20:12:22,629 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40869 Invalid, 11 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-27 20:12:22,703 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9091 states.
[2024-11-27 20:12:23,197 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9091 to 9091.
[2024-11-27 20:12:23,226 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9091 states, 9076 states have (on average 1.498788012340238) internal successors, (13603), 9076 states have internal predecessors, (13603), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-27 20:12:23,317 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9091 states to 9091 states and 13629 transitions.
[2024-11-27 20:12:23,319 INFO  L78                 Accepts]: Start accepts. Automaton has 9091 states and 13629 transitions. Word has length 1919
[2024-11-27 20:12:23,342 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:12:23,342 INFO  L471      AbstractCegarLoop]: Abstraction has 9091 states and 13629 transitions.
[2024-11-27 20:12:23,351 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 464.25) internal successors, (1857), 4 states have internal predecessors, (1857), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-11-27 20:12:23,351 INFO  L276                IsEmpty]: Start isEmpty. Operand 9091 states and 13629 transitions.
[2024-11-27 20:12:23,601 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1921
[2024-11-27 20:12:23,601 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:12:23,606 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-11-27 20:12:23,607 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-27 20:12:23,608 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:12:23,609 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:12:23,615 INFO  L85        PathProgramCache]: Analyzing trace with hash 655075623, now seen corresponding path program 1 times
[2024-11-27 20:12:23,615 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:12:23,616 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83441987]
[2024-11-27 20:12:23,617 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:12:23,618 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:12:31,335 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:12:38,462 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-11-27 20:12:38,464 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:12:38,464 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83441987]
[2024-11-27 20:12:38,464 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83441987] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:12:38,464 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:12:38,465 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-27 20:12:38,465 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894068641]
[2024-11-27 20:12:38,465 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:12:38,471 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-27 20:12:38,471 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:12:38,474 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-27 20:12:38,475 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-27 20:12:38,477 INFO  L87              Difference]: Start difference. First operand 9091 states and 13629 transitions. Second operand  has 5 states, 5 states have (on average 371.6) internal successors, (1858), 5 states have internal predecessors, (1858), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-11-27 20:12:48,350 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:12:48,350 INFO  L93              Difference]: Finished difference Result 21825 states and 32722 transitions.
[2024-11-27 20:12:48,351 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-27 20:12:48,352 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 371.6) internal successors, (1858), 5 states have internal predecessors, (1858), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 1920
[2024-11-27 20:12:48,358 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:12:48,394 INFO  L225             Difference]: With dead ends: 21825
[2024-11-27 20:12:48,395 INFO  L226             Difference]: Without dead ends: 9091
[2024-11-27 20:12:48,408 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-11-27 20:12:48,412 INFO  L435           NwaCegarLoop]: 13174 mSDtfsCounter, 27699 mSDsluCounter, 23861 mSDsCounter, 0 mSdLazyCounter, 4218 mSolverCounterSat, 595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27707 SdHoareTripleChecker+Valid, 37035 SdHoareTripleChecker+Invalid, 4813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 595 IncrementalHoareTripleChecker+Valid, 4218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time
[2024-11-27 20:12:48,413 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [27707 Valid, 37035 Invalid, 4813 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [595 Valid, 4218 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time]
[2024-11-27 20:12:48,431 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9091 states.
[2024-11-27 20:12:48,624 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9091 to 9091.
[2024-11-27 20:12:48,638 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9091 states, 9076 states have (on average 1.498677831643896) internal successors, (13602), 9076 states have internal predecessors, (13602), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-27 20:12:48,659 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9091 states to 9091 states and 13628 transitions.
[2024-11-27 20:12:48,661 INFO  L78                 Accepts]: Start accepts. Automaton has 9091 states and 13628 transitions. Word has length 1920
[2024-11-27 20:12:48,664 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:12:48,664 INFO  L471      AbstractCegarLoop]: Abstraction has 9091 states and 13628 transitions.
[2024-11-27 20:12:48,665 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 371.6) internal successors, (1858), 5 states have internal predecessors, (1858), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-11-27 20:12:48,665 INFO  L276                IsEmpty]: Start isEmpty. Operand 9091 states and 13628 transitions.
[2024-11-27 20:12:48,703 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1922
[2024-11-27 20:12:48,704 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:12:48,705 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:12:48,706 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-27 20:12:48,706 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:12:48,711 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:12:48,712 INFO  L85        PathProgramCache]: Analyzing trace with hash 485291984, now seen corresponding path program 1 times
[2024-11-27 20:12:48,712 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:12:48,712 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305628172]
[2024-11-27 20:12:48,713 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:12:48,715 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:12:52,926 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:12:57,872 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-11-27 20:12:57,872 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:12:57,873 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305628172]
[2024-11-27 20:12:57,873 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305628172] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:12:57,873 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:12:57,873 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-27 20:12:57,873 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130885859]
[2024-11-27 20:12:57,873 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:12:57,878 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-27 20:12:57,878 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:12:57,881 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-27 20:12:57,882 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-27 20:12:57,883 INFO  L87              Difference]: Start difference. First operand 9091 states and 13628 transitions. Second operand  has 5 states, 5 states have (on average 371.8) internal successors, (1859), 5 states have internal predecessors, (1859), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-11-27 20:13:05,805 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:13:05,805 INFO  L93              Difference]: Finished difference Result 16048 states and 24056 transitions.
[2024-11-27 20:13:05,805 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 20:13:05,806 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 371.8) internal successors, (1859), 5 states have internal predecessors, (1859), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 1921
[2024-11-27 20:13:05,810 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:13:05,845 INFO  L225             Difference]: With dead ends: 16048
[2024-11-27 20:13:05,845 INFO  L226             Difference]: Without dead ends: 9091
[2024-11-27 20:13:05,856 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-27 20:13:05,857 INFO  L435           NwaCegarLoop]: 10657 mSDtfsCounter, 25898 mSDsluCounter, 10659 mSDsCounter, 0 mSdLazyCounter, 5948 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25903 SdHoareTripleChecker+Valid, 21316 SdHoareTripleChecker+Invalid, 5949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time
[2024-11-27 20:13:05,858 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [25903 Valid, 21316 Invalid, 5949 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 5948 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time]
[2024-11-27 20:13:05,879 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9091 states.
[2024-11-27 20:13:06,083 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9091 to 9091.
[2024-11-27 20:13:06,102 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9091 states, 9076 states have (on average 1.498567650947554) internal successors, (13601), 9076 states have internal predecessors, (13601), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-27 20:13:06,129 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9091 states to 9091 states and 13627 transitions.
[2024-11-27 20:13:06,130 INFO  L78                 Accepts]: Start accepts. Automaton has 9091 states and 13627 transitions. Word has length 1921
[2024-11-27 20:13:06,133 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:13:06,134 INFO  L471      AbstractCegarLoop]: Abstraction has 9091 states and 13627 transitions.
[2024-11-27 20:13:06,135 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 371.8) internal successors, (1859), 5 states have internal predecessors, (1859), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-11-27 20:13:06,136 INFO  L276                IsEmpty]: Start isEmpty. Operand 9091 states and 13627 transitions.
[2024-11-27 20:13:06,209 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1923
[2024-11-27 20:13:06,209 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:13:06,210 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:13:06,211 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-27 20:13:06,211 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:13:06,213 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:13:06,214 INFO  L85        PathProgramCache]: Analyzing trace with hash 186529458, now seen corresponding path program 1 times
[2024-11-27 20:13:06,214 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:13:06,214 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825233502]
[2024-11-27 20:13:06,214 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:13:06,215 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:13:11,411 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:13:17,038 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-11-27 20:13:17,038 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:13:17,038 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825233502]
[2024-11-27 20:13:17,039 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825233502] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:13:17,039 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:13:17,039 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-27 20:13:17,039 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537180198]
[2024-11-27 20:13:17,040 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:13:17,042 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-27 20:13:17,042 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:13:17,044 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-27 20:13:17,045 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-27 20:13:17,046 INFO  L87              Difference]: Start difference. First operand 9091 states and 13627 transitions. Second operand  has 5 states, 5 states have (on average 372.0) internal successors, (1860), 5 states have internal predecessors, (1860), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-11-27 20:13:24,290 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:13:24,290 INFO  L93              Difference]: Finished difference Result 16048 states and 24054 transitions.
[2024-11-27 20:13:24,290 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 20:13:24,291 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 372.0) internal successors, (1860), 5 states have internal predecessors, (1860), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 1922
[2024-11-27 20:13:24,293 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:13:24,316 INFO  L225             Difference]: With dead ends: 16048
[2024-11-27 20:13:24,316 INFO  L226             Difference]: Without dead ends: 9091
[2024-11-27 20:13:24,325 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-27 20:13:24,326 INFO  L435           NwaCegarLoop]: 10657 mSDtfsCounter, 25578 mSDsluCounter, 10659 mSDsCounter, 0 mSdLazyCounter, 5946 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25583 SdHoareTripleChecker+Valid, 21316 SdHoareTripleChecker+Invalid, 5947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time
[2024-11-27 20:13:24,326 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [25583 Valid, 21316 Invalid, 5947 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 5946 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time]
[2024-11-27 20:13:24,342 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9091 states.
[2024-11-27 20:13:24,476 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9091 to 9091.
[2024-11-27 20:13:24,489 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9091 states, 9076 states have (on average 1.498457470251212) internal successors, (13600), 9076 states have internal predecessors, (13600), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-27 20:13:24,504 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9091 states to 9091 states and 13626 transitions.
[2024-11-27 20:13:24,505 INFO  L78                 Accepts]: Start accepts. Automaton has 9091 states and 13626 transitions. Word has length 1922
[2024-11-27 20:13:24,506 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:13:24,507 INFO  L471      AbstractCegarLoop]: Abstraction has 9091 states and 13626 transitions.
[2024-11-27 20:13:24,508 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 372.0) internal successors, (1860), 5 states have internal predecessors, (1860), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-11-27 20:13:24,508 INFO  L276                IsEmpty]: Start isEmpty. Operand 9091 states and 13626 transitions.
[2024-11-27 20:13:24,545 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1924
[2024-11-27 20:13:24,545 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:13:24,546 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:13:24,547 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-27 20:13:24,547 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:13:24,548 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:13:24,549 INFO  L85        PathProgramCache]: Analyzing trace with hash -2146444071, now seen corresponding path program 1 times
[2024-11-27 20:13:24,549 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:13:24,549 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792482758]
[2024-11-27 20:13:24,550 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:13:24,550 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:13:28,446 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:13:32,711 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-11-27 20:13:32,711 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:13:32,711 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792482758]
[2024-11-27 20:13:32,711 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792482758] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:13:32,711 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:13:32,712 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-27 20:13:32,712 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061218441]
[2024-11-27 20:13:32,712 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:13:32,714 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-27 20:13:32,714 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:13:32,717 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-27 20:13:32,717 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-27 20:13:32,718 INFO  L87              Difference]: Start difference. First operand 9091 states and 13626 transitions. Second operand  has 5 states, 5 states have (on average 372.2) internal successors, (1861), 5 states have internal predecessors, (1861), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-11-27 20:13:40,091 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:13:40,092 INFO  L93              Difference]: Finished difference Result 16048 states and 24052 transitions.
[2024-11-27 20:13:40,092 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 20:13:40,093 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 372.2) internal successors, (1861), 5 states have internal predecessors, (1861), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 1923
[2024-11-27 20:13:40,094 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:13:40,114 INFO  L225             Difference]: With dead ends: 16048
[2024-11-27 20:13:40,114 INFO  L226             Difference]: Without dead ends: 9091
[2024-11-27 20:13:40,120 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-27 20:13:40,121 INFO  L435           NwaCegarLoop]: 10657 mSDtfsCounter, 13190 mSDsluCounter, 10676 mSDsCounter, 0 mSdLazyCounter, 5944 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13195 SdHoareTripleChecker+Valid, 21333 SdHoareTripleChecker+Invalid, 5945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time
[2024-11-27 20:13:40,121 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13195 Valid, 21333 Invalid, 5945 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 5944 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time]
[2024-11-27 20:13:40,135 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9091 states.
[2024-11-27 20:13:40,255 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9091 to 9091.
[2024-11-27 20:13:40,274 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9091 states, 9076 states have (on average 1.49834728955487) internal successors, (13599), 9076 states have internal predecessors, (13599), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-27 20:13:40,297 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9091 states to 9091 states and 13625 transitions.
[2024-11-27 20:13:40,298 INFO  L78                 Accepts]: Start accepts. Automaton has 9091 states and 13625 transitions. Word has length 1923
[2024-11-27 20:13:40,300 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:13:40,300 INFO  L471      AbstractCegarLoop]: Abstraction has 9091 states and 13625 transitions.
[2024-11-27 20:13:40,301 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 372.2) internal successors, (1861), 5 states have internal predecessors, (1861), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-11-27 20:13:40,301 INFO  L276                IsEmpty]: Start isEmpty. Operand 9091 states and 13625 transitions.
[2024-11-27 20:13:40,338 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1925
[2024-11-27 20:13:40,339 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:13:40,340 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:13:40,340 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-27 20:13:40,340 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:13:40,341 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:13:40,342 INFO  L85        PathProgramCache]: Analyzing trace with hash -1880823269, now seen corresponding path program 1 times
[2024-11-27 20:13:40,342 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:13:40,343 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714047176]
[2024-11-27 20:13:40,343 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:13:40,343 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:13:44,313 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:13:48,656 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-11-27 20:13:48,657 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:13:48,657 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714047176]
[2024-11-27 20:13:48,657 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714047176] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:13:48,657 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:13:48,658 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-27 20:13:48,658 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87400821]
[2024-11-27 20:13:48,658 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:13:48,660 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-27 20:13:48,660 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:13:48,662 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-27 20:13:48,663 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-27 20:13:48,664 INFO  L87              Difference]: Start difference. First operand 9091 states and 13625 transitions. Second operand  has 5 states, 5 states have (on average 372.4) internal successors, (1862), 5 states have internal predecessors, (1862), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-11-27 20:13:55,543 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:13:55,543 INFO  L93              Difference]: Finished difference Result 16048 states and 24050 transitions.
[2024-11-27 20:13:55,544 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 20:13:55,544 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 372.4) internal successors, (1862), 5 states have internal predecessors, (1862), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 1924
[2024-11-27 20:13:55,547 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:13:55,570 INFO  L225             Difference]: With dead ends: 16048
[2024-11-27 20:13:55,571 INFO  L226             Difference]: Without dead ends: 9091
[2024-11-27 20:13:55,579 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-27 20:13:55,581 INFO  L435           NwaCegarLoop]: 10657 mSDtfsCounter, 24938 mSDsluCounter, 10659 mSDsCounter, 0 mSdLazyCounter, 5942 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24943 SdHoareTripleChecker+Valid, 21316 SdHoareTripleChecker+Invalid, 5943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time
[2024-11-27 20:13:55,581 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [24943 Valid, 21316 Invalid, 5943 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 5942 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time]
[2024-11-27 20:13:55,598 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9091 states.
[2024-11-27 20:13:55,705 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9091 to 9091.
[2024-11-27 20:13:55,718 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9091 states, 9076 states have (on average 1.498237108858528) internal successors, (13598), 9076 states have internal predecessors, (13598), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-27 20:13:55,735 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9091 states to 9091 states and 13624 transitions.
[2024-11-27 20:13:55,735 INFO  L78                 Accepts]: Start accepts. Automaton has 9091 states and 13624 transitions. Word has length 1924
[2024-11-27 20:13:55,737 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:13:55,737 INFO  L471      AbstractCegarLoop]: Abstraction has 9091 states and 13624 transitions.
[2024-11-27 20:13:55,738 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 372.4) internal successors, (1862), 5 states have internal predecessors, (1862), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)
[2024-11-27 20:13:55,738 INFO  L276                IsEmpty]: Start isEmpty. Operand 9091 states and 13624 transitions.
[2024-11-27 20:13:55,774 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1926
[2024-11-27 20:13:55,774 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:13:55,775 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:13:55,776 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-27 20:13:55,776 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:13:55,777 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:13:55,778 INFO  L85        PathProgramCache]: Analyzing trace with hash -1357190814, now seen corresponding path program 1 times
[2024-11-27 20:13:55,778 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:13:55,778 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609611386]
[2024-11-27 20:13:55,778 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:13:55,779 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:14:00,228 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:14:04,483 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-11-27 20:14:04,484 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:14:04,484 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609611386]
[2024-11-27 20:14:04,484 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609611386] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:14:04,484 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:14:04,484 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-27 20:14:04,485 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322360311]
[2024-11-27 20:14:04,485 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:14:04,487 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-27 20:14:04,487 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:14:04,489 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-27 20:14:04,490 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-27 20:14:04,491 INFO  L87              Difference]: Start difference. First operand 9091 states and 13624 transitions. Second operand  has 4 states, 4 states have (on average 465.75) internal successors, (1863), 4 states have internal predecessors, (1863), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-11-27 20:14:04,760 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:14:04,760 INFO  L93              Difference]: Finished difference Result 16050 states and 24051 transitions.
[2024-11-27 20:14:04,761 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 20:14:04,762 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 465.75) internal successors, (1863), 4 states have internal predecessors, (1863), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1925
[2024-11-27 20:14:04,764 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:14:04,783 INFO  L225             Difference]: With dead ends: 16050
[2024-11-27 20:14:04,783 INFO  L226             Difference]: Without dead ends: 9093
[2024-11-27 20:14:04,792 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 20:14:04,793 INFO  L435           NwaCegarLoop]: 13620 mSDtfsCounter, 0 mSDsluCounter, 27230 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40850 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-27 20:14:04,793 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40850 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-27 20:14:04,806 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-11-27 20:14:04,911 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-11-27 20:14:04,925 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4981273408239701) internal successors, (13600), 9078 states have internal predecessors, (13600), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-27 20:14:04,940 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13626 transitions.
[2024-11-27 20:14:04,942 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13626 transitions. Word has length 1925
[2024-11-27 20:14:04,944 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:14:04,944 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13626 transitions.
[2024-11-27 20:14:04,945 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 465.75) internal successors, (1863), 4 states have internal predecessors, (1863), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-11-27 20:14:04,945 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13626 transitions.
[2024-11-27 20:14:04,978 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1927
[2024-11-27 20:14:04,978 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:14:04,979 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:14:04,979 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-27 20:14:04,980 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:14:04,980 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:14:04,981 INFO  L85        PathProgramCache]: Analyzing trace with hash -221196256, now seen corresponding path program 1 times
[2024-11-27 20:14:04,981 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:14:04,981 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945790787]
[2024-11-27 20:14:04,982 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:14:04,982 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:14:08,967 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:14:15,055 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-11-27 20:14:15,055 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:14:15,056 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945790787]
[2024-11-27 20:14:15,056 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945790787] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:14:15,056 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:14:15,056 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-27 20:14:15,057 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461120176]
[2024-11-27 20:14:15,057 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:14:15,059 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-27 20:14:15,059 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:14:15,061 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-27 20:14:15,062 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-27 20:14:15,063 INFO  L87              Difference]: Start difference. First operand 9093 states and 13626 transitions. Second operand  has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-11-27 20:14:18,619 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:14:18,620 INFO  L93              Difference]: Finished difference Result 16052 states and 24052 transitions.
[2024-11-27 20:14:18,621 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 20:14:18,622 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1926
[2024-11-27 20:14:18,624 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:14:18,651 INFO  L225             Difference]: With dead ends: 16052
[2024-11-27 20:14:18,651 INFO  L226             Difference]: Without dead ends: 9093
[2024-11-27 20:14:18,669 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-27 20:14:18,675 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 11981 mSDsluCounter, 12316 mSDsCounter, 0 mSdLazyCounter, 2626 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11981 SdHoareTripleChecker+Valid, 24630 SdHoareTripleChecker+Invalid, 2626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time
[2024-11-27 20:14:18,676 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [11981 Valid, 24630 Invalid, 2626 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2626 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time]
[2024-11-27 20:14:18,704 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-11-27 20:14:18,880 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-11-27 20:14:18,890 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4980171844018506) internal successors, (13599), 9078 states have internal predecessors, (13599), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-27 20:14:18,907 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13625 transitions.
[2024-11-27 20:14:18,908 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13625 transitions. Word has length 1926
[2024-11-27 20:14:18,910 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:14:18,910 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13625 transitions.
[2024-11-27 20:14:18,911 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 466.0) internal successors, (1864), 4 states have internal predecessors, (1864), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-11-27 20:14:18,911 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13625 transitions.
[2024-11-27 20:14:19,031 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1928
[2024-11-27 20:14:19,031 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:14:19,033 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:14:19,033 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-27 20:14:19,033 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:14:19,035 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:14:19,035 INFO  L85        PathProgramCache]: Analyzing trace with hash 854608299, now seen corresponding path program 1 times
[2024-11-27 20:14:19,036 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:14:19,036 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448375442]
[2024-11-27 20:14:19,036 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:14:19,036 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:14:24,103 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:14:28,289 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-11-27 20:14:28,289 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:14:28,289 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448375442]
[2024-11-27 20:14:28,290 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448375442] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:14:28,290 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:14:28,290 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-27 20:14:28,290 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235427564]
[2024-11-27 20:14:28,290 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:14:28,292 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-27 20:14:28,292 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:14:28,295 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-27 20:14:28,295 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-27 20:14:28,296 INFO  L87              Difference]: Start difference. First operand 9093 states and 13625 transitions. Second operand  has 5 states, 5 states have (on average 373.0) internal successors, (1865), 5 states have internal predecessors, (1865), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-11-27 20:14:31,133 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:14:31,133 INFO  L93              Difference]: Finished difference Result 16576 states and 24833 transitions.
[2024-11-27 20:14:31,134 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-27 20:14:31,135 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 373.0) internal successors, (1865), 5 states have internal predecessors, (1865), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1927
[2024-11-27 20:14:31,136 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:14:31,151 INFO  L225             Difference]: With dead ends: 16576
[2024-11-27 20:14:31,151 INFO  L226             Difference]: Without dead ends: 9093
[2024-11-27 20:14:31,159 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-27 20:14:31,160 INFO  L435           NwaCegarLoop]: 13531 mSDtfsCounter, 13392 mSDsluCounter, 25859 mSDsCounter, 0 mSdLazyCounter, 1486 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13392 SdHoareTripleChecker+Valid, 39390 SdHoareTripleChecker+Invalid, 1563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time
[2024-11-27 20:14:31,161 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13392 Valid, 39390 Invalid, 1563 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [77 Valid, 1486 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time]
[2024-11-27 20:14:31,173 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-11-27 20:14:31,275 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-11-27 20:14:31,285 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4979070279797313) internal successors, (13598), 9078 states have internal predecessors, (13598), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-27 20:14:31,301 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13624 transitions.
[2024-11-27 20:14:31,301 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13624 transitions. Word has length 1927
[2024-11-27 20:14:31,303 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:14:31,303 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13624 transitions.
[2024-11-27 20:14:31,304 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 373.0) internal successors, (1865), 5 states have internal predecessors, (1865), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-11-27 20:14:31,304 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13624 transitions.
[2024-11-27 20:14:31,337 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1929
[2024-11-27 20:14:31,337 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:14:31,338 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:14:31,339 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-27 20:14:31,339 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:14:31,340 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:14:31,341 INFO  L85        PathProgramCache]: Analyzing trace with hash 1534683956, now seen corresponding path program 1 times
[2024-11-27 20:14:31,341 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:14:31,341 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110562447]
[2024-11-27 20:14:31,341 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:14:31,341 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:14:35,930 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:14:39,730 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-11-27 20:14:39,730 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:14:39,730 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110562447]
[2024-11-27 20:14:39,731 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110562447] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:14:39,731 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:14:39,731 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-27 20:14:39,731 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689007002]
[2024-11-27 20:14:39,731 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:14:39,733 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-27 20:14:39,733 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:14:39,735 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-27 20:14:39,735 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-27 20:14:39,736 INFO  L87              Difference]: Start difference. First operand 9093 states and 13624 transitions. Second operand  has 5 states, 5 states have (on average 373.2) internal successors, (1866), 5 states have internal predecessors, (1866), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-11-27 20:14:43,276 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:14:43,276 INFO  L93              Difference]: Finished difference Result 16052 states and 24048 transitions.
[2024-11-27 20:14:43,278 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 20:14:43,279 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 373.2) internal successors, (1866), 5 states have internal predecessors, (1866), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1928
[2024-11-27 20:14:43,280 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:14:43,289 INFO  L225             Difference]: With dead ends: 16052
[2024-11-27 20:14:43,289 INFO  L226             Difference]: Without dead ends: 9093
[2024-11-27 20:14:43,296 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-27 20:14:43,297 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 13588 mSDsluCounter, 12333 mSDsCounter, 0 mSdLazyCounter, 2622 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13601 SdHoareTripleChecker+Valid, 24647 SdHoareTripleChecker+Invalid, 2623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time
[2024-11-27 20:14:43,298 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [13601 Valid, 24647 Invalid, 2623 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2622 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time]
[2024-11-27 20:14:43,311 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-11-27 20:14:43,420 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-11-27 20:14:43,431 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4977968715576118) internal successors, (13597), 9078 states have internal predecessors, (13597), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-27 20:14:43,447 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13623 transitions.
[2024-11-27 20:14:43,448 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13623 transitions. Word has length 1928
[2024-11-27 20:14:43,449 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:14:43,449 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13623 transitions.
[2024-11-27 20:14:43,450 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 373.2) internal successors, (1866), 5 states have internal predecessors, (1866), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-11-27 20:14:43,450 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13623 transitions.
[2024-11-27 20:14:43,484 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1930
[2024-11-27 20:14:43,484 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:14:43,485 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:14:43,485 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-27 20:14:43,486 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:14:43,487 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:14:43,488 INFO  L85        PathProgramCache]: Analyzing trace with hash -1499239996, now seen corresponding path program 1 times
[2024-11-27 20:14:43,488 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:14:43,488 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409662555]
[2024-11-27 20:14:43,489 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:14:43,489 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 20:14:48,157 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 20:14:51,470 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked.
[2024-11-27 20:14:51,470 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 20:14:51,470 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409662555]
[2024-11-27 20:14:51,470 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409662555] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 20:14:51,470 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 20:14:51,471 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-27 20:14:51,471 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963717674]
[2024-11-27 20:14:51,471 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 20:14:51,473 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-27 20:14:51,473 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 20:14:51,475 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-27 20:14:51,475 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-27 20:14:51,476 INFO  L87              Difference]: Start difference. First operand 9093 states and 13623 transitions. Second operand  has 5 states, 5 states have (on average 373.4) internal successors, (1867), 5 states have internal predecessors, (1867), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-11-27 20:14:55,039 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-27 20:14:55,039 INFO  L93              Difference]: Finished difference Result 16052 states and 24046 transitions.
[2024-11-27 20:14:55,040 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 20:14:55,041 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 373.4) internal successors, (1867), 5 states have internal predecessors, (1867), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1929
[2024-11-27 20:14:55,042 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-27 20:14:55,051 INFO  L225             Difference]: With dead ends: 16052
[2024-11-27 20:14:55,051 INFO  L226             Difference]: Without dead ends: 9093
[2024-11-27 20:14:55,057 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-27 20:14:55,058 INFO  L435           NwaCegarLoop]: 12314 mSDtfsCounter, 25896 mSDsluCounter, 12316 mSDsCounter, 0 mSdLazyCounter, 2620 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25909 SdHoareTripleChecker+Valid, 24630 SdHoareTripleChecker+Invalid, 2621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time
[2024-11-27 20:14:55,058 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [25909 Valid, 24630 Invalid, 2621 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2620 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time]
[2024-11-27 20:14:55,070 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9093 states.
[2024-11-27 20:14:55,177 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 9093.
[2024-11-27 20:14:55,188 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9093 states, 9078 states have (on average 1.4976867151354925) internal successors, (13596), 9078 states have internal predecessors, (13596), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-27 20:14:55,204 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9093 states to 9093 states and 13622 transitions.
[2024-11-27 20:14:55,204 INFO  L78                 Accepts]: Start accepts. Automaton has 9093 states and 13622 transitions. Word has length 1929
[2024-11-27 20:14:55,206 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-27 20:14:55,206 INFO  L471      AbstractCegarLoop]: Abstraction has 9093 states and 13622 transitions.
[2024-11-27 20:14:55,207 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 373.4) internal successors, (1867), 5 states have internal predecessors, (1867), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13)
[2024-11-27 20:14:55,207 INFO  L276                IsEmpty]: Start isEmpty. Operand 9093 states and 13622 transitions.
[2024-11-27 20:14:55,241 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1931
[2024-11-27 20:14:55,241 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-27 20:14:55,243 INFO  L218           NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:14:55,243 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-27 20:14:55,243 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-27 20:14:55,244 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 20:14:55,245 INFO  L85        PathProgramCache]: Analyzing trace with hash 1912182381, now seen corresponding path program 1 times
[2024-11-27 20:14:55,245 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 20:14:55,245 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704690671]
[2024-11-27 20:14:55,246 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 20:14:55,246 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms